Jul. 21, 2025
A wrench, many types of which are referred to as spanners in the U.K, is a tool for turning fasteners, such as nuts, bolts, and pipes, for the purpose loosening or tightening them.
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Wrenches are essential tools if you plan to get involved in any kind of mechanical work where fasteners need to be manipulated, making it a must-have tool in the fields of automotive repair, plumbing and a host of other industries. However, for a very straightforward-sounding tool, there are a host of different types, and you may be confused about which one you need for getting the job done.
If so, fear not! After reading this post, you will know each of the main types of wrench as well as when and how to use them.
Seeing as it has already been mentioned that many types of wrenches are referred to as spanners in the U.K, it might be good to explain what Americans refer to as a spanner wrench, which is a very specific type of wrench. A spanner wrench is basically a lever with a hook on it, and it is designed specifically for tasks that require adjusting or fastening components with small holes or pin rather than flat surfaces, as in the case of nuts and bolts, providing a secure grip without damaging the object.
One of the most common types is the monkey wrench. A monkey wrench is an adjustable tool with a straight handle and parallel, smooth jaws that can be adjusted to fit various nut and bolt sizes using a screw mechanism. Its design provides a secure grip without damaging surfaces, making it versatile for numerous tasks. Commonly used in plumbing, mechanical, and general repair work, the monkey wrench is known for its strength and ability to handle large or bulky fasteners, making it essential for adjusting different fasteners' sizes effectively. If you are looking for a monkey wrench for some help with some heavy-duty tasks, you should definitely check out this one from Deen. The grooves carved into the mouth of the wrench help ensure that the corners of nuts and bolts are not stripped away, as there is less of a requirement to use excessive force. Another good option for a monkey wrench is this one from Engineer, which comes with a non-slip handle, and thinner jaws that significantly reduce the weight of the tool, making it a popular choice for women.
An open-end wrench is a hand tool with a U-shaped opening designed to grip two opposite faces of a bolt or nut. This design allows for quick and easy placement on the fastener, making it particularly useful for tasks requiring frequent repositioning. Typically, an open-end wrench features different-sized openings on each end, providing versatility for various fastener sizes.
The wrench is ideal for use in confined spaces where a full rotation is not possible, as it can easily be repositioned without removing it from the fastener. However, the tradeoff of this simplicity is that, as it only engages with two faces, it generally provides less torque and grip compared to box-end wrenches described below.
Open-end wrenches are commonly used in automotive repair, plumbing, and general maintenance for their simplicity and ease of use. Check out these 6-piece and 7-piece open-end wrench sets of various sizes from Tome, both of which come with a convenient organizer.
A box-end wrench, also known as a ring spanner or box wrench, is a hand tool designed to securely grip and turn nuts, bolts, and other fasteners. Unlike open-end wrenches that grip only two flat surfaces, a box-end wrench features a closed loop (typically hexagonal or double-hexagonal) that surrounds the fastener completely. This design provides a 360-degree grip, reducing the risk of slipping and allowing for the application of higher torque. Box-end wrenches come in various sizes to fit different fastener heads and are particularly useful when a strong, secure grip is needed. Some, such as these deep offset wrenches from Deen are angled to facilitate access to fasteners in tight or awkward spaces, making them versatile tools in mechanical and engineering tasks.
The combination wrench aims for the best of both worlds in one tool by having a box-end wrench head on one end and an open-end wrench on the other.
Providing this dual functionality makes combination wrenches particularly handy for handling a variety of tasks, quickly switching without needing to change tools, and are often used in various mechanical, automotive, and household tasks.
Examples of combination wrenches are this set from Tone, which comes with its own wrench organizer for convenient storage, and this 10-piece box set from KTC, a well-known brand used heavily in the automotive, and particularly the motorsports industry.
An adjustable wrench, sometimes referred to as a “Crescent Wrench” after the brand that popularized it, is another versatile tool with both a fixed and movable jaw. Adjusting the latter allows it to fit various sizes of nuts and bolts. They typically have what is known as a “worm gear,” which is a small, screw-like component located on the side of the wrench's head. Turning the worm gear forces it to engage with the teeth of the movable jaw, causing it to move closer together or farther apart from the fixed jaw. It is a particularly useful tool when you are likely to come across fasteners with a wide range of sizes, such as in plumbing, bicycle maintenance, HVAC (heating, ventilation, and air conditioning) work, and construction work. Examples of adjustable monkey wrenches are these ones from Fujiya and KTC, whereas this one from Tone is an adjustable pipe wrench (pipe wrenches will be explained a little later in this post.)
A torque wrench is a precision tool designed to apply a specific amount of force, or torque, to fasteners like bolts or nuts. Typically resembling a socket wrench, it features a built-in scale that indicates when the desired torque has been achieved, often through a distinct "click" sound or other visual cue. By allowing users to set an exact torque value, the wrench ensures consistent and accurate tightness, removing the uncertainty that comes with relying solely on the user's judgment. This precision helps prevent over-tightening or under-tightening, which can lead to damage or failure of the components.
Examples of torque wrenches include this Tohnichi Click-Type Ratcheting Torque Wrench, which comes in ten sizes and tightens bolts to a preset torque based on the size of the wrench, as well as this Tohnichi Motor Sports Wrench, that boasts motorsport vehicle-level accuracy.
For more information on torque wrenches, I recommend you check out this article I wrote on choosing and maintaining torque wrenches.
An Allen wrench, also known as a hex key, is a versatile tool favored for its simplicity and effectiveness in providing a secure grip on hexagonal fasteners. The tool's design allows it to fit snugly into the socket, enabling the application of torque to tighten or loosen fasteners. The wrench's L-shaped design features a long arm for greater leverage and a short arm for use in tight spaces. Allen wrenches come in various sizes to accommodate different hex socket sizes and are commonly used in assembling furniture, bicycles, machinery, and in various mechanical and automotive tasks. You can find a collection of Allen wrenches/hex keys here.
A pipe wrench is a heavy-duty hand tool, specifically designed for gripping and turning pipes and pipe fittings, that features adjustable, serrated jaws that can be tightened around various pipe sizes. This means that even when applying significant force, a secure grip can be applied. The tool's long handle allows for the application of substantial torque, making it particularly effective in plumbing tasks such as installing or removing pipes and fittings. Due to its strength and versatility, the pipe wrench is an essential tool in plumbing and maintenance work, ensuring reliable performance when dealing with threaded pipes and other cylindrical objects. There is a wide range of pipe wrenches to choose from here.
If you are confused about whether you need a monkey wrench or a pipe wrench, this article may help clear things up.
Ratchet wrenches and ratcheting box wrenches are tools designed to make fastening and loosening nuts and bolts more efficient by incorporating a ratcheting mechanism.
Ratchet wrenches are tools that feature a socket attached to a handle with a ratcheting mechanism that allows the wrench to apply force in one direction while moving freely in the opposite direction without removing it from the fastener. This feature makes them ideal for working in tight spaces and speeds up the process of tightening or loosening bolts. Ratchet wrenches are versatile because they can be used with interchangeable sockets, making them suitable for various fastener sizes. Ratchet wrenches are commonly used for automotive repair, bicycle maintenance, and furniture assembly.
Ratcheting box wrenches combine a traditional box-end wrench with a ratcheting mechanism. The box end fits over the entire fastener head, allowing for continuous turning without lifting the wrench after each turn. This provides a secure grip, making them especially useful for high-torque applications and working in confined spaces. Applications include plumbing, electrical work, heavy machine maintenance, and construction.
In terms of ratchet wrenches, offerings from Deen include this keychain ratchet wrench and this thumbwheel ratchet wrench, as well as this Fast Action Twist Handle Reversible Ratchet Wrench & Screwdriver, that gives you the benefits of a ratchet mechanism for a wrench and screwdriver in one tool.
A variation on the above is the socket wrench, which features a ratcheting handle and a socket, which is a detachable, cylindrical piece that fits over the head of a fastener. By switching out the socket, you can adapt the tool for use with a variety of different fasteners, making it extremely versatile.
This 72-piece socket wrench set from Koken is likely to have all of the sizes of socket that you will ever need.
A pedal wrench is a specialized tool specifically designed for the removal and installation of bicycle pedals. It features a long handle that provides the extra leverage needed to loosen or tighten pedals, which are often securely fastened to the crank arms and may require significant force to remove. The wrench head is thin and flat, with an open-end design, typically sized to fit the standard 15mm or 9/16-inch flats on pedal axles. This thin profile allows the wrench to fit into the narrow space between the pedal and the crank arm, where a standard wrench might be too bulky. Built for durability, pedal wrenches are usually made from strong materials like steel to withstand the high torque required for these tasks. Essential for bicycle maintenance, the pedal wrench is commonly used by both professional mechanics and DIY enthusiasts, especially for tasks like pedal adjustment, bike disassembly for travel, and general maintenance.
Another type of wrench that is designed for a specific task is the lug wrench, which is a tool designed to loosen and tighten lug nuts on vehicle wheels, primarily when changing tires. It typically comes in either a cross-shaped (X-shaped) design, offering four different socket sizes, or an L-shaped form with a single socket. The tool's strong, durable construction, usually made of steel, allows it to withstand the high torque needed to remove or secure tightly fastened lug nuts, making it an essential part of vehicle emergency kits.
A crowfoot wrench is a specialized tool designed for accessing fasteners in tight or obstructed spaces where traditional wrenches or sockets cannot fit. It features an open-end or box-end design without a handle, allowing it to be attached to a ratchet, extension bar, or torque wrench for enhanced leverage and control. The tool's versatility and ability to grip fasteners securely in confined spaces make it a valuable addition to any toolkit, and its flexibility makes crowfoot wrenches particularly useful in automotive repair, plumbing, and mechanical work, where fasteners are often located in cramped or hard-to-reach areas.
A basin wrench is a specialized plumbing tool designed for working in tight spaces, particularly under sinks where faucet mounting nuts are located. It features a long handle and a swiveling, spring-loaded jaw that pivots to grip nuts securely, allowing for easy tightening or loosening in confined areas where standard wrenches cannot reach. The long shaft of the basin wrench enables access to narrow spaces behind or under sinks, making it ideal for tasks such as installing or removing faucets. Its self-gripping design ensures a firm hold on the nut, allowing sufficient torque to be applied without slipping. This tool is essential for faucet installation and plumbing repairs, especially in kitchens and bathrooms where space is often limited.
A tap wrench is a hand tool designed to hold and turn taps, which are used for cutting internal threads in pre-drilled holes. It features a handle and a clamping mechanism to securely grip the square end of the tap, ensuring it doesn't slip during use. Tap wrenches come in various types, including T-handle wrenches, which are ideal for tight spaces and provide good leverage, and bar-type or adjustable wrenches, which offer greater leverage for larger holes or when more force is needed. These tools are essential in metalworking, woodworking, and DIY projects for creating threaded holes that allow screws or bolts to be securely fastened.
A strap wrench is a versatile tool designed to grip and turn objects with smooth or irregular surfaces without causing damage. It features a handle attached to a flexible strap made from materials like rubber, nylon, or leather. The strap wraps around the object, and as the handle is pulled, the strap tightens, providing a secure grip. They are particularly useful in plumbing, automotive work, and household tasks, as they are ideal for tasks such as loosening or tightening pipes, jars, and cylindrical objects, and the adjustable strap length allows the tool to accommodate various object sizes.
A flare nut wrench is a specialized tool designed for gripping and turning nuts on tubing, such as brake and fuel lines. It features an open-ended design similar to a box-end wrench but with a small opening that allows it to slip over the tubing, providing more contact with the nut than a standard open-end wrench. This design ensures a secure grip, reducing the risk of rounding off the corners, making it particularly useful for soft metal fittings found in automotive, plumbing, and HVAC applications. Flare nut wrenches are essential for tasks involving brake lines, fuel lines, and hydraulic fittings, as they offer a strong grip on nuts prone to damage, allowing for secure tightening or safe removal. If you need a flare nut wrench, you can get this set from KTC.
The chain wrench is a specialized tool designed to grip and turn cylindrical objects like pipes, especially when other wrenches may not provide a secure hold. It consists of a handle attached to a length of chain, which wraps around the object. When the handle is pulled, the chain tightens, creating a secure grip through friction, allowing significant torque to be applied. This makes chain wrenches particularly useful for working with large-diameter pipes or in tight spaces where standard wrenches might not fit. The adjustable chain can accommodate various sizes, making the tool versatile for tasks in plumbing, construction, and industrial settings, where strong, reliable gripping is essential for turning smooth or irregularly shaped objects.
An impact wrench is a powerful tool designed to deliver high torque with minimal user effort, making it ideal for heavy-duty tasks. It is commonly used in automotive repair to remove lug nuts and engine bolts, as well as in construction for fastening large bolts and nuts. The tool operates using a hammer mechanism that stores energy in a rotating mass, which is then delivered to the output shaft, generating high torque. Impact wrenches can be powered by compressed air (pneumatic), electricity (corded or cordless), or hydraulics, and are available in various sizes, ranging from small 1/4-inch drives to large 3 1/2-inch drives for major construction. Despite delivering high peak torque, the design ensures minimal torque is felt by the user, making it efficient and easy to use in tasks such as heavy equipment maintenance and product assembly.
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An impact wrench will often make use of deep sockets such as these ones from Koken, which provides a range of different sizes, enabling you to reach nuts and bolts blocked by obstacles, without the need for an extension bar. Made from durable chrome molybdenum steel, they are designed to withstand the high force and torsion from powered impact wrenches and drivers, making them ideal for quickly removing seized nuts and bolts.
As you will have noted from this post, wrenches come in a huge array of types and whether you need one for a specific job, such as a pedal wrench for bicycle repair or a lug wrench for changing tires, or more general types requiring differing levels of tightness (box-end, torque wrench) and accessibility (crowfoot, flare nut), you will be able to find one suited for every job. If you need to cut down on the number of tools you need to carry, there are combination wrenches (open-end/box-end), double-ended open-end wrenches, and adjustable wrenches that fit this purpose.
What kind of wrench do you use most in your daily life or work? Let us know in the comments.
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Wrench is one of the best tools in our toolbox. The purpose of a wrench is to tighten the nut and other joints properly. There are different types of wrench boxes available in the market and you may choose any type of wrench box as per your need. if you want to buy the best wrench and looking for the best wrench brand then this article is just for you. Here, you will find different types of wrench brands and you can check and select the best wrench brand as per your need. Choose always superior quality wrench brand company as per your need!
The two most popular shapes of the wrenches are L-shaped and T-handles. The hexagonal wire stock used to make the L-shaped wrenches is also used to make the T-handles, which are the same hex wire stock with a metal or plastic handle connected to the end. Various types of wrenches, in addition to spanners, are used to tighten and loosen bolts and pipes. The majority of these wrenches may be adjusted and have various opening ranges. choose the best type of wrenches as per your need. The design of different wrenches is completely different. You have to visit the website and choose the best type of wrenches as per your need.
If you are looking for the best wrench set for mechanics then a combination wrench set plays an important role. This box includes one end and both are the same size. This type of wrench mainly uses for tightening the bolts properly. Farmers who use a variety of agricultural tools and machinery are left in the lurch when looking for a professional to fix their tools when these stop operating owing to a variety of problems. They can swiftly remedy minor issues with their machines if they have such wrenches on hand by using these wrenches to unlock simpler pieces. Choose the best type of wrench set as per your need.
Using this type of wrench, you can tighten or loosen any type of tool without opening it. A ratchet is a term used to describe a ratcheting socket wrench. Additionally, it is a mechanical tool that works more effectively than other wrenches to tighten and loosen nuts and bolts. Ratchets are a flexible item for your toolbox since they may be attached to sockets of various sizes. The ratcheting socket wrench, often known as a ratchet, is the most widely used type. A ratchet features a reverse ratcheting mechanism that eliminates the need to remove and reinstall a wrench to spin the socket on the tool.
This is another best type of wrench set which offers many benefits. This type of wrench set is thinner and it allows you to tight spaces properly. They offer both big and small endian. These wrenches are available from a variety of sources, including local shops and online retailers. Furthermore, a reputable provider of farming supplies would undoubtedly stock such wrenches in his warehouse. You can explore the market carefully and compare any models that might be offered. However, be sure to look into the material these wrenches are made of before you purchase them. If a problem with the usage of these wrenches occurs, the maker or supplier should replace them or at the very least fix them.
Choose the proper space and then use it. Space always creates many problems. You have to tighten the nuts or bolts after completely using the space. You have to buy a wrench which helps to tighten the space properly. To begin with, any nut or bolt that is tightened by a machine will be significantly tighter than the typical tightening with a hand tool. It will take time and effort, and you run the risk of getting hurt even though you might be able to pry one loose with a standard wrench. An air impact wrench has the strength and speed to quickly remove these machine-tightened nuts and bolts, making the process much simpler and aiding in the completion of your projects much more quickly. Your air compressor is helping these wrenches, so it will have much more force than your hands or body could ever muster. In other words, you can quickly remove these nuts and bolts without risking injury.
Deal with always superior quality products. choose the proper wrench as per your need. Grab the best offer online now! securing hefty objects that may require the increased security of a larger bolt to support the weight, such as a shelf in the garage that will carry heavy tools, bike mounting brackets, and other heavy objects. Utilizing a tool like an air impact wrench will make installation simpler and faster. Everyone is aware that while changing a tire, the lug nuts must be snug and secure to avoid the tire from falling loose while driving. You can use an air impact wrench to tighten the lug nuts sufficiently to stop the wheel from coming loose while you’re driving and to keep the hubcap and wheel in place.
There are different versions of wrenches available in the market and you may choose any type of wrench as per your need. When working on engines, such as those in lawnmowers and other small engines that require a very securely tightened nut or bolt, you can also use an air impact wrench. Engines shake when they are operating, thus they must be sufficiently tightened to prevent the parts from flying off while the engine is running. Make sure your nuts and bolts are snug and secure with the use of an air impact wrench too. Choose the best type of brand for a wrench manufacturing company and use it now!
DEWALT Combination Wrench Set
EFFICERE 24 Piece Allen Wrench Set
Craftsman Adjustable 3-Piece Wrench Set
WORKPRO 4-Piece Monkey Wrench Set
ToolGuards Ratchet Wrench Set
TEKTON Combination Wrench Set
GEARWRENCH 20 Piece Wrench Set
ToolGuards 22 Piece Ratchet Wrench Set
Crescent AC28VS Monkey Wrench
Bulltools Rotary Ratchet Wrench Set
There are several types of DEWALT wrenches, including adjustable, flex head ratcheting, flare nut, reversible ratcheting, standard combination, and ratcheting. Their equipment is designed to function on the job site. They are put to the test there. If there is an issue, it is where they will find a solution. Products that we can stand behind are the result. is on the job site discovering what functions well and poorly so that we may improve everything. Every development we do is motivated by a need.
If you are looking for the best quality wrench brands then choose this product now! You will find within this box 22 pieces of product and 22 pieces in metric and inches. They have the slimmest profile on the market so you can reach those tight spaces in engine blocks or behind water heaters. Best steel on the market. The 72-tooth ratchet gears need only a 5-degree working swing arc. Full-drive box ends deliver reliable torque to tighten or loosen any bolt without rounding. Very simple to use and durable product which lasts long. If you buy online, you will get attractive offers and discounts as well. Find the best hot deal online now and then proceed.
This is another best wrench brands that lasts long. They have Extra length and offer extended reach and increased torque. Its open end is angled 15 degrees for work in tight spaces. This is a complete 12-point box end that is offset 15 degrees, creating clearance for fingers. It Includes Store and Go Keeper with a space-saving folding handle and non-slip grippers to lock in wrenches. Choose the best wrench now!
This is another best wrench set box. 72-tooth ratcheting box end needs a minimal 5° to move fasteners vs 30° for standard wrenches. The main feature is the Off-corner loading design on the box end provides better grip and reduces fastener rounding. You have to Pass-thru technology works down any length of threaded rod and long bolts. And the thin head and beam provide greater access in confined work areas. The Size is conveniently stamped on both ends of the beam for quick identification.
This is another best wrench set boxes and provides many benefits as well. 22 pieces reversible ratcheting wrench set with mirror finish includes SAE and metric (mm) combination wrenches. This deluxe combo set makes emergency repairs a breeze. Speed up the work with this master set which is larger and more versatile than other 20-piece sets. The 90-tooth ratchet gears need only a 5 – degree working swing arc. Full-drive box ends deliver reliable torque to tighten or loosen any bolt without rounding.
This is another best wrenches that offers you many benefits. The original adjustable wrench is made by the world-famous Crescent brand. This is a Laser etched scale in both SAE Standard and Metric sizes allowing easy identification. A larger knurl for easy adjustment ensures a tight jaw fit. Hex jaw design reduces slippage by gripping fasteners tightly. It has a large capacity and provides the best support all the time.
This 22-piece ratchet wrench set with an organizer box allows you to quickly identify the wrench you need. The specifications are comprehensive and versatile, making emergency repair easier and speeding up the work. The mirror polished wrench set is made of heat-treated chromium-vanadium steel with good toughness, waterproof and rustproof. Aerospace-grade chromium-vanadium alloys are stronger, corrosion resistant, and have a longer service life.
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If you want to know which wrench is the best then I must say, an alloy made like vanadium or chromium-made wrench is always the best option.
There are different types of wrench sizes available in the market and you may choose any wrench size as per your need. You can choose a small wrench size or a large one as per your need. Find the best type of wrench size as per your need.
If you want to tighten the bolt with a proper wrench, then you have to choose the best size, length, and quality wrench for this purpose. There are different types of wrenches available but if you are looking for the best company for this purpose, then check our above-listed top 10 wrench brands and choose the best one all the time. Choose always superior quality wrench which lasts long. Find the best deal online and then proceed. Check and select the best wrench which tightens the bolts and makes the bolts more strong. Grab the best deal online and then proceed.
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