McMaster-Carr

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	Socket Type Socket Type


Socket	Torque- Limiting Adapter

Torque-and- Angle Measuring Adapter	Hex Shank to Square Drive Adapter

	System of Measurement System of Measurement

in.-lbs.

ft.-lbs.

Inch

	Square Drive Size Square Drive Size

3/8"

1/2"

	Size Size

	For Drive Style For Drive Style


External 12- Point	External Hex

	Overall Length Overall Length

	Individual/Set Individual/Set

Individual

Set

	Drive Type Drive Type

Manual

Impact

Nonimpact Power

	Finish Finish

	Thickness Thickness

	Torque Adjustability Torque Adjustability

Adjustable

Factory Set

	Maximum Torque Maximum Torque

	Minimum Torque Minimum Torque

	Torque Setting Torque Setting

	OD OD

	Color Color

	Yellow		Blue- Green
	Blue		Gray
	White

	Clockwise Accuracy Clockwise Accuracy

±10%

±5%

±2%

	Counterclockwise Accuracy Counterclockwise Accuracy

±10%

±5%

±2%

	Container Type Container Type

Plastic Case

Metal Bar

	Number of Pieces Number of Pieces

	Graduations Graduations

1 in.-lbs.

0.1 ft.-lbs.

0.1 Nm

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30 Products

About Torque Tools

Make maximum contact on all sides of a fastener to reduce slipping. Often used with an extension, these sockets turn fasteners and fittings in obstructed areas that regular sockets can't reach. They are also known as torque adapters.

3/8" Square Drive
Size	Overall Lg.	Thick.	Center-to-Center Lg.	Material		Each
3/8"	2 11/16"	17/64"	2"	Chrome-Plated Steel	00000000	000000
7/16"	2 3/4"	19/64"	2"	Chrome-Plated Steel	00000000	00000
1/2"	2 13/16"	21/64"	2"	Chrome-Plated Steel	00000000	00000
9/16"	2 7/8"	23/64"	2"	Chrome-Plated Steel	00000000	00000
5/8"	2 7/8"	25/64"	2"	Chrome-Plated Steel	00000000	00000
11/16"	2 15/16"	27/64"	2"	Chrome-Plated Steel	00000000	00000
3/4"	3"	29/64"	2"	Chrome-Plated Steel	00000000	00000
7/8"	3 1/16"	33/64"	2"	Chrome-Plated Steel	00000000	00000

Adjustable Torque-Limiting Socket Adapters

To set torque, remove the snap ring and locking plate and adjust the nut. When the torque setting is reached, the adapter clicks and releases. These tools let you to accurately measure or limit the torque you apply to prevent overtightening and damaging fasteners.

			Accuracy
Overall Lg.	OD	Torque Range	Clockwise	Counterclockwise	Max. Speed, rpm	Material		Each
3/8" Square Drive
2 1/8"	1 1/2"	24 to 180 in.-lbs. 2 to 15 ft.-lbs. 2.7 to 20.3 Nm	±5%	±5%	300	Nickel-Plated Steel	0000000	000000
2 1/8"	1 1/2"	60 to 300 in.-lbs. 5 to 25 ft.-lbs. 6.8 to 33.9 Nm	±5%	±5%	300	Nickel-Plated Steel	0000000	00000
1/2" Square Drive
2 5/8"	1 3/4"	120 to 480 in.-lbs. 10 to 40 ft.-lbs. 13.6 to 54.2 Nm	±5%	±5%	300	Nickel-Plated Steel	0000000	000000
2 5/8"	1 3/4"	240 to 600 in.-lbs. 20 to 50 ft.-lbs. 27.1 to 67.8 Nm	±5%	±5%	300	Nickel-Plated Steel	0000000	000000
2 5/8"	2 1/4"	480 to 900 in.-lbs. 40 to 75 ft.-lbs. 54.2 to 101.7 Nm	±5%	±5%	300	Nickel-Plated Steel	0000000	000000
2 3/4"	3"	720 to 1,440 in.-lbs. 60 to 120 ft.-lbs. 81.3 to 162.7 Nm	±5%	±5%	300	Nickel-Plated Steel	0000000	000000

Factory-Set Torque-Limiting Socket Adapters

When the torque setting is reached, these adapters click and release. They are set to a specific torque and cannot be adjusted. Adapters let you accurately measure or limit the torque you apply to prevent overtightening and damaging fasteners.

			Accuracy
Torque Setting, in.-lbs.	Overall Lg.	OD	Clockwise	Counterclockwise	Max. Speed, rpm	Material		Each
3/8" Square Drive
60	2 3/16"	1 1/2"	±5%	±5%	300	Nickel-Plated Steel	0000000	0000000
75	2 3/16"	1 1/2"	±5%	±5%	300	Nickel-Plated Steel	0000000	000000
180	2 3/16"	1 1/2"	±5%	±5%	300	Nickel-Plated Steel	0000000	000000
240	2 3/16"	1 1/2"	±5%	±5%	300	Nickel-Plated Steel	0000000	000000
1/2" Square Drive
360	2 11/16"	1 3/4"	±5%	±5%	300	Nickel-Plated Steel	0000000	000000

Torque-and-Angle Measuring Socket Adapters

A digital display shows how torque measurements change as you turn the wrench. Set the desired torque or and angle—lights and an audible alarm indicate when target has been reached or exceeded.

Note: The accuracy ratings do not apply to the lower 10% of the torque range.

				Accuracy
Overall Lg.	OD	Torque Range	Graduations	Clockwise	Counterclockwise	Max. Speed, rpm	Angle	Angle Accuracy	Material	Batteries Included		Each
3/8" Square Drive
3 1/2"	2 1/8"	60 to 1,200 in.-lbs. 5 to 100 ft.-lbs. 6.78 to 135 Nm	1 in.-lbs. 0.1 ft.-lbs. 0.1 Nm	±2%	±2%	300	5°-360°	±1%	Chrome-Plated Steel	Yes	0000000	0000000
1/2" Square Drive
3 7/8"	2 1/8"	150 to 3,000 in.-lbs. 12.5 to 250 ft.-lbs. 17 to 340 Nm	1 in.-lbs. 0.1 ft.-lbs. 0.1 Nm	±2%	±2%	300	5°-360°	±1%	Chrome-Plated Steel	Yes	0000000	000000

Hex Shank to Power Socket Square
Drive and Impact Square Drive Adapters

Ball Detent Socket Retainer

Use sockets with tools that accept hex shanks, such as impact drivers and power drills. Made for durability, these sockets are for use with nonimpact power tools in high-volume production and assembly. They are also made to withstand the high torque and force of impact tools.

1/2" Square Drive
Hex Shank Size	Overall Lg.	Material	Socket Retainer Style		Each
1/4"	2 3/4"	Steel	Ball Detent	00000000	00000

Impact Torque-Limiting Socket Adapters

Prevent overtightening that can damage fasteners. These adapters spring back slightly when the set torque is reached. They are made to withstand the high torque and force of impact tools.

				Accuracy
Torque Setting, ft.-lbs.	Overall Lg.	OD	For Max. Wrench Working Torque, ft.-lbs.	Clockwise	Counterclockwise	For Max. Wrench Operating Air Pressure, psi	Material	Color		Each
1/2" Square Drive
65	7 5/8"	1 1/8"	250	±10%	±10%	90	Painted Steel	Yellow	0000000	000000
80	7 5/8"	1 1/8"	250	±10%	±10%	90	Painted Steel	Blue	0000000	00000
100	7 5/8"	1 1/8"	250	±10%	±10%	90	Painted Steel	Gray	0000000	00000
120	7 5/8"	1 1/8"	250	±10%	±10%	90	Painted Steel	White	0000000	00000
140	7 5/8"	1 1/8"	250	±10%	±10%	90	Painted Steel	Blue-Green	0000000	00000

Box-End Tight-Clearance Offset Socket Sets

Make maximum contact on all sides of a hex fastener to reduce slipping. Often used with an extension, these sockets turn fasteners and fittings in obstructed areas that regular sockets can't reach. They are also known as torque adapters.

3/8" Square Drive
No. of Pieces	Includes	Material		Each
9	Offset Sockets: 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8"	Chrome-Plated Steel	00000000	0000000

Impact Torque-Limiting Socket Adapter Sets

Prevent overtightening that can damage fasteners. These adapters spring back slightly when the set torque is reached. They are made to withstand the high torque and force of impact tools.

					Accuracy
No. of Pieces	Includes	O'all Lg.	OD	For Max. Wrench Working Torque, ft.-lbs.	Clockwise	Counterclockwise	For Max. Wrench Operating Air Pressure, psi		Each
1/2" Square Drive—Painted Steel
5	Torque-Limiting Adapter with 65 ft.-lbs.Torque Setting—Yellow Torque-Limiting Adapter with 80 ft.-lbs.Torque Setting—Blue Torque-Limiting Adapter with 100 ft.-lbs.Torque Setting—Gray Torque-Limiting Adapter with 120 ft.-lbs.Torque Setting—White Torque-Limiting Adapter with 140 ft.-lbs.Torque Setting—Blue-Green	7 5/8"	1 1/8"	250	±10%	±10%	90	0000000	0000000

Ratchet Wrenches

Round Head

A ratchet mechanism allows you to turn fasteners without removing and repositioning the wrench. The smaller the turn required to ratchet, the less clearance you need to engage the ratchet.

1" Square Drive
Overall Lg.	Turn Required to Ratchet	Head Shape	Material	Finish		Each
42"	8°	Round	Steel	Black	0000000	0000000

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