Ratchet Wrench Heads | McMaster-Carr

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System of Measurement

Square Drive Size

Head Style

Drive Size

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Overall Length

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Ratcheting or Nonratcheting

Unit of Measure

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Head Shape

Maximum Torque

Torque

0 in·lbf to 80 in·lbf

0 in·lbf to 800 in·lbf

0 ft·lbf to 150 ft·lbf

0 ft·lbf to 32 in·ozf

0 ft·lbf to 80 in·ozf

0 ft·lbf to 10 in·lbf

0 ft·lbf to 15 in·lbf

0 ft·lbf to 25 in·lbf

0 ft·lbf to 30 in·lbf

0 ft·lbf to 50 in·lbf

0 ft·lbf to 75 in·lbf

0 ft·lbf to 100 in·lbf

0 ft·lbf to 150 in·lbf

0 ft·lbf to 200 in·lbf

0 ft·lbf to 300 in·lbf

Turn Required to Ratchet

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Wrench Type

Material

Power Source

DFARS Specialty Metals

Exempt

Export Control Classification Number (ECCN)

REACH

RoHS

Torque Setting

2 in·lbf to 20 in·lbf

2 in·lbf to 50 in·lbf

2 in·lbf to 80 in·lbf

0.2 ft·lbf to 1.6 ft·lbf

0.2 ft·lbf to 4.1 ft·lbf

0.2 ft·lbf to 6.6 ft·lbf

0.5 ft·lbf to 5 ft·lbf

Grip Material

Torque Wrench Type

722 Products

Ratchet Wrenches

A ratchet mechanism allows you to turn fasteners without removing and repositioning the wrench.

Cushion-Grip Ratchet Wrenches

The handle is covered in rubber for a comfortable grip.

Quick-Release Ratchet Wrenches

No need to pull the socket off the tool—push a button to release.

Twist-Handle Ratchet Wrenches

Also known as rotator ratchets, these wrenches let you rotate the grip to tighten a socket. They're useful when you don't have the space to swing the handle side to side.

Sealed-Head Ratchet Wrenches

A gasket seals in permanent lubrication and keeps out dirt, dust, and moisture.

Adjustable-Length Ratchet Wrenches

The shaft on these wrenches extends and locks.

Replaceable-Head Ratchet Wrenches

When the ratchet head becomes worn or damaged, change it out for a new one.

Bolt-Through Ratchet Wrenches

Pair these wrenches with a bolt-through socket to reach nuts at the bottom of a long threaded rod or bolt which can pass through the head of the wrench.

Tapered-Handle Ratchet Wrenches

Also known as a construction or spud handle, wrenches use the pointed end to align bolt holes.

Nonsparking Ratchet Wrenches

Made of aluminum-bronze, these wrenches satisfy OSHA requirements that specify nonsparking tools for locations where flammable vapors and combustible residues are present.

Electrical-Insulating Ratchet Wrenches

Insulated to protect against accidental contact with live electrical circuits, these wrenches are tested to 1,000 volts to meet IEC 60900.

Flex-Head Ratchet Wrenches

Pivot the head to access fasteners in tight spots.

Offset Flex-Head Ratchet Wrenches

The 20° offset head provides clearance when reaching over obstructions.

Quick-Release Flex-Head Ratchet Wrenches

No need to pull the socket off the tool—push a button to release.

Tight-Clearance Ratchet Wrenches

Rather than teeth, these wrenches use a series of rollers to engage the ratchet, enabling work in the tightest of spaces. Also known as silent ratchets, they don't make the traditional click sound when turned.

Fingertip Ratchet Wrenches

Turn sockets in the most confined spaces.

Ratchet Wrench and Adapter Sets

Use these versatile sets to turn sockets in a variety of hard-to-reach spots.

Torque Wrenches

Adjustable Torque Wrenches

Set the desired torque and the wrench indicates when it's reached with an audible click and an impulse in the grip.

Flex-Head Adjustable Torque Wrenches

Pivot the head to access fasteners in tight spots.

Quick-Release Adjustable Torque Wrenches

No need to pull the socket off the tool—push a button to release.

No-Reset Adjustable Torque Wrenches

Unlike most torque wrenches, you don’t have to return the torque setting to the lowest value after use. These tools are also known as split-beam torque wrenches.

Nonsparking Torque Wrenches

Made of beryllium copper, these wrenches satisfy OSHA requirements that specify nonsparking tools for locations where flammable vapors and combustible residues are present.

Electrical-Insulating Adjustable Torque Wrenches

Insulated to protect against accidental contact with live electrical circuits, these wrenches are tested to 1,000 volts to meet IEC 60900.

Data-Recording Torque-and-Angle
Measuring Wrenches

The most advanced torque wrenches we offer, these tools store and recall up to 1,500 torque and angle measurements.

Torque-Measuring Wrenches

Measure with an accuracy of ±2%.

High-Accuracy Torque-Measuring Wrenches

Trust the precision of your measurements—these wrenches are accurate to ±1%.

Economy Torque-Measuring Wrenches

These wrenches have an accuracy of ±2.0%.

Dial Torque-Measuring Wrenches

A main pointer on the dial shows torque as it’s being applied and a memory pointer indicates the maximum torque reached.

Horizontal-Scale Torque-Measuring Wrenches

Measure with an accuracy of ±7%.

High-Accuracy Horizontal-Scale
Torque-Measuring Wrenches

Trust the precision of your measurements—these wrenches are accurate to ±2%.

T-Handle Slip-Release
Factory-Set Torque Wrenches

Turn sockets from above when there's not room to swing a standard wrench handle.

Slip-Release Factory-Set Torque Wrenches

These wrenches slip to disengage and stop turning the fastener when the set torque is reached, preventing overtightening.

Click-Style Factory-Set Torque Wrenches

When the set torque is reached, these wrenches signal with an audible click and an impulse in the grip.

Torque-Limiting Air-Powered Wrenches

Set torque and the wrench will prevent you from exceeding it. These are also known as nutrunners.

Wrench Heads

Reach nuts obstructed by a fluid line or other barrier with these wrench heads.

Secure-Grip Wrench Heads

Grip more of your fastener head with these wrench heads.

Box-End Wrench Heads

Attach one of these heads to your square-drive ratchet or torque wrench to extend its reach or to access spaces with limited vertical clearance.

Wrench Head Sets

Reach nuts obstructed by a fluid line or other barrier with the wrench heads in these sets.

Snap-Open Ratcheting Box-End Wrench Head Sets

Get a strong grip in tight areas, even on fasteners that are rounded or damaged.

Ratcheting Wrench Head Sets

Connect one of the heads in these sets to a socket extension to reach an obstructed fastener, then turn the fastener without removing and repositioning the wrench head.

Secure-Grip Wrench Head Sets

Grip more of your fastener head with these wrench heads.

Box-End Wrench Head Sets

Attach one of the heads in these sets to a torque wrench for more leverage to loosen a stubborn fastener.

Square Drive Adapters for Box Wrenches

Attach one of these adapters to a ratcheting box wrench to convert it to a ratcheting socket wrench.

Box Wrenches

Ratcheting Box Wrenches

A ratchet mechanism allows you to turn fasteners in tight spaces without removing and repositioning the wrench.

Two-Head Ratcheting Box Wrenches

Ratchet mechanisms allow you to turn fasteners in tight spaces without removing and repositioning the tool.

Electrical-Insulating Ratcheting Box Wrenches

An insulated handle protects against accidental contact with live electrical circuits. These wrenches are tested to 1,000 volts to meet IEC 60900.

Two-Head Deep-Offset Ratcheting Box Wrenches

The 25° offset heads give you additional clearance to turn hard-to-reach fasteners.

Deep-Offset Ratcheting Box Wrenches

The offset head gives you additional clearance to turn hard-to-reach fasteners.

Extended-Reach Ratcheting Box Wrenches

An extra-long handle provides access to hard-to-reach fasteners and increases leverage.

Snap-Open Ratcheting Box Wrenches

Open the jaws to fit around a fastener like an open-end wrench; close the jaws and the wrench acts like a ratcheting box wrench.

Ratcheting Box Wrench Sets

A ratchet mechanism allows you to turn fasteners in tight spaces without removing and repositioning the wrench.

Deep-Offset Ratcheting Box Wrench Sets

The heads are offset to provide clearance for reaching over obstructions.

Snap-Open Ratcheting Box Wrench Sets

Open the jaws to fit around a fastener like an open-end wrench; close the jaws and the wrench acts like a ratcheting box wrench.

Changeable-Head Torque Wrenches

Change heads to use these tools as an open-end, box, square drive, or hex-key wrench.

Combination Wrenches

Flex-Head Ratcheting Combination Wrench Sets

Pivot the box end for access to fasteners in tight spots.