McMaster-Carr

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	System of Measurement System of Measurement

Metric

Inch

ft.-lbs.

in.-lbs.

	Square Drive Size Square Drive Size

	Size Size

	Bolt Clearance Style Bolt Clearance Style


Standard	Deep

Bolt Through	Extra Deep

	Socket Type Socket Type

	Socket
	Torque-and- Angle Measuring Adapter

	Socket Shape Socket Shape


4-Point	6-Point	12-Point

	Socket Style Socket Style


Standard	Bit

Flex	Offset

	For Drive Style For Drive Style


External Hex	External 12-Point	Hex

External Square	Phillips	Slotted

Tamper- Resistant Hex	Torx

	Individual/Set Individual/Set

Individual

Set

	Drive Type Drive Type

Manual

Impact

Nonimpact Power

	Overall Length Overall Length

1"-2"

1 11/16"-1 7/8"

2 3/4"-4"

3 1/4"-4"

8 3/4"-12 5/8"

12"-17 1/4"

24"-40"

	Finish Finish

	Material Material

	Tip Style Tip Style


Standard	Ball

	Wrench Style Wrench Style


Square Drive	Socket

Open End	Box

	Ratcheting or Nonratcheting Ratcheting or Nonratcheting

Nonratcheting

Ratcheting

	Number of Pieces Number of Pieces

5
6
7
8
9
10
12
13

14
15
16
17
18
19
20
21

24
27
29
30
32
34
40
75

	Container Type Container Type

	Head Style Head Style


Standard	Flex

Offset

	Opening Shape Opening Shape


Rounded	12-Point

12-Point Secure Grip	6-Point

Hex Secure Grip	4-Point

	OD OD

	Maximum Torque Maximum Torque

	Wrench Type Wrench Type

1,313 Products

Wrenches and Sockets

Socket Sets

Sockets

Ratchet Wrenches and Handles

Use with square drive sockets.

Socket Adapters and Extensions

Adapt sockets to fit wrenches of different drive sizes or change how you access and turn the fastener. Add an extension for longer reach.

Socket Wrenches

The socket is fixed on the handle.

Box Wrenches

Make maximum contact on all sides of a fastener to reduce slipping.

Drivers, Keys, and Bits

Impact Screwdrivers

These tools deliver powerful rotational blows to maximize torque and drive screws quickly.

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