Mini Ratchet Sets | McMaster-Carr

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	For Drive Style For Drive Style


Hex	Phillips	Slotted

Square	Torx	External Hex

External 12-Point	External Square	Clutch

Pozidriv®	6-Flute Spline

	Shank Type Shank Type

	Knurled-End Hex
	Hex

	System of Measurement System of Measurement

Inch

Metric

	Size Size

	Hex Shank Size Hex Shank Size

1/4"

5/16"

	Container Type Container Type

Plastic Roll-Up Pouch

	Material Material

Steel

	Overall Length Overall Length

	REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)

REACH Compliant

	RoHS (Restriction of Hazardous Substances) RoHS (Restriction of Hazardous Substances)

RoHS Compliant

RoHS Compliant with
Exemptions

	DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense Acquisition Regulations Supplement)

DFARS Specialty Metals
COTS-Exempt

	Number of Pieces Number of Pieces

	Wrench Style Wrench Style

	Open End
	Box
	Combination

	Ratcheting or Nonratcheting Ratcheting or Nonratcheting

Ratcheting

Nonratcheting

	Opening Shape Opening Shape


Rounded	12-Point

	Head Style Head Style


Standard	Offset

	Square Drive Size Square Drive Size

1/4"

3/8"

1/2"

	Socket Style Socket Style


Offset	Bit

	Finish Finish

Chrome Plated

Black Oxide

	Appearance Appearance

Polished

Dull

	Turn Required to Ratchet Turn Required to Ratchet

3°

5°

	Number of Heads Number of Heads

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53 Products

Precise-Control Bit Assortments

Bits have a knurled shank that allows finger tightening. For more torque, use with the included ratcheting bit screwdriver. They will not fit in standard bit screwdrivers.

Precise-Control Bit Assortments

Hex

Phillips

Slotted

1/4" Knurled-End Hex
No. of Pieces	Components Included	Bits Included	Adapters Included	Extensions Included	Drive Tools Included	Material		Each
27	23 Bits 1 Adapter 1 Extension 2 Drive Tools	Phillips: No. 1, No. 2 (1 3/8" O'all Lg.) Slotted: 3/16", 1/4", 3/8" (1 1/4" O'all Lg.) Hex (Inch): 0.050", 1/16", 5/64", 3/32", 7/64", 1/8" 9/64", 5/32", 3/16", 7/32", 1/4" (1 1/4" O'all Lg.) Hex (Metric): 1.5 mm, 2 mm, 2.5 mm, 3 mm 4 mm, 5 mm, 6 mm (1 1/4" O'all Lg.)	1/4" Male Square Drive × 1/4" Hex Shank Adapter	3 1/2" Lg. Extension	3 3/4" Lg. Tight-Clearance Ratcheting Bit Screwdriver Screwdriver Handle	Steel	0000000	000000

Replacement Precise-Control Bits

Slotted
Size		Each
3/16"	0000000	00000
1/4"	0000000	0000
3/8"	0000000	0000
Phillips
No. 1	0000000	0000
No. 2	0000000	0000
Hex
0.050"	0000000	0000
1/16"	0000000	0000
5/64"	0000000	0000
3/32"	0000000	0000
7/64"	0000000	0000
1/8"	0000000	0000
9/64"	0000000	0000
5/32"	0000000	0000
3/16"	0000000	0000
7/32"	0000000	0000
1/4"	0000000	0000
1.5 mm	0000000	0000
2 mm	0000000	0000
2.5 mm	0000000	0000
3 mm	0000000	0000
4 mm	0000000	0000
5 mm	0000000	0000
6 mm	0000000	0000

Replacement Tight-Clearance Ratcheting Bit Screwdrivers for Precise-Control Bits

Knurled-End Hex
For Bit Hex Shank Size	Overall Lg.	Material		Each
1/4"	3 3/4"	Stainless Steel	0000000	00000

Bit Assortments

These assortments contain general-purpose bits.

Hex shank bits (also known as insert bits) are used in hand drivers or with a bit adapter in power tools.

Hex

Clutch

Phillips

Slotted

Torx

Square

Pozidriv®

1/4" Hex Shank Size—Steel
No. of Pieces	Components Included	Bits Included	Adapters Included	Drive Tools Included		Each
35	32 Bits 2 Adapters 1 Drive Tool	Phillips: No. 0, No. 1, No. 2, No. 3 (1" O'all Lg.) Slotted: 7/32", 1/4" (1" O'all Lg.) Hex (Inch): 1/16", 5/64", 3/32", 7/64", 1/8", 9/64" 5/32", 3/16", 7/32", 1/4" (1" O'all Lg.) Hex (Metric): 1.5 mm, 2 mm, 2.5 mm, 3 mm 4 mm, 5 mm, 6 mm (1" O'all Lg.) Torx: T8, T10, T15, T20, T25, T27, T30 (1" O'all Lg.) Square: No. 1, No. 2 (1" O'all Lg.)	1/4" Male Square Drive × 1/4" Hex Shank Adapter 2 1/4" Lg. Bit Adapter for Power Tools	3 1/2" Lg. Tight-Clearance Ratcheting Bit Screwdriver	00000000	000000
1/4" and 5/16" Hex Shank Size—Steel
35	32 Bits 1 Extension 2 Drive Tools	Phillips 1/4" Hex Shank: No. 1, No. 2 (1" O'all Lg.) Slotted 1/4" Hex Shank: 3/16", 1/4", 9/32" (1" O'all Lg.) Hex 1/4" Hex Shank: 5/64", 3/32", 7/64", 1/8" 9/64", 7/32", 1/4" (1" O'all Lg.) Hex 5/16" Hex Shank: 5/32", 3/16" (1 1/4" O'all Lg.) Torx 1/4" Hex Shank: T10, T15, T20, T25, T27 T30 (1" O'all Lg.) Torx 5/16" Hex Shank: T40, T45, T50 (1 1/4" O'all Lg.) Square 1/4" Hex Shank: No. 1, No. 2, No. 3 (1" O'all Lg.) Pozidriv® 1/4" Hex Shank: No. 1, No. 2 (1" O'all Lg.) Clutch 1/4" Hex Shank: 3/32", 1/8", 5/32" 3/16" (1" O'all Lg.)	__	5 3/8" Lg. Angled Tight-Clearance Ratcheting Bit Screwdriver 5 1/2" Lg. Tight-Clearance Ratcheting Bit Screwdriver	00000000	000000

6-Flute Spline Bit Sets

6-Flute Spline

Also known as Bristol bits, these have a knurled-end shank that allows finger tightening. For more torque, use with the included drive tool. Bits will not fit in standard bit screwdrivers.

1/4" Knurled-End Hex Shank Size
Components Included	Bits Included	Drive Tools Included	Container Type	Material		Each
5 Bits 1 Drive Tool	6-Flute Spline: 0.060", 0.072", 0.096", 0.111", 0.145" (1 1/4" O'all Lg.)	3 3/4" Lg. Tight-Clearance Ratcheting Bit Screwdriver	Plastic Pouch	Steel	0000000	000000

Ratcheting Box-End Tight-Clearance Offset Socket Sets

A ratchet mechanism allows you to turn fasteners without removing and repositioning the socket. These sockets make maximum contact to reduce slipping and have a 12-point shape that quickly positions on hex fasteners. Often used with an extension, they turn fasteners and fittings in obstructed areas that regular sockets can't reach. Sockets are also known as torque adapters.

For technical drawings and 3-D models, click on a part number.

3/8" Square Drive
No. of Pieces	Components Included	Includes	Material	Wrench Opening Shape		Each
9	8 Offset Sockets 1 Extension	Offset Sockets: 5/16"; 3/8"; 7/16"; 1/2"; 9/16"; 5/8"; 11/16"; 3/4" 10" Long Extension	Chrome-Plated Steel	12-Point	0000000	0000000

Secure-Grip Tight-Clearance Offset Socket Sets

12-Point Secure Grip

Hex Secure Grip

The opening makes more contact with fasteners for a better grip than standard open-end sockets. Also known as flare-nut or line wrench sockets, they're often used with flared tube fittings and fuel and hydraulic lines.

Hex secure-grip sockets achieve the best possible grip on hex fasteners and prevent rounding.

12-point secure-grip sockets quickly position on hex fasteners.

3/8" Square Drive
No. of Pieces	Includes	Material		Each
7	Offset Sockets: 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4"	Chrome-Plated Steel	0000000	0000000
8	Offset Sockets: 5/8", 11/16", 3/4", 13/16", 7/8", 15/16", 1", 1 1/16"	Chrome-Plated Steel	0000000	000000
1/2" Square Drive
8	Offset Sockets: 1 1/8", 1 1/4", 1 5/16", 1 3/8", 1 1/2", 1 5/8", 1 3/4", 2"	Chrome-Plated Steel	0000000	000000

Tight-Clearance Offset Socket Sets

Often used with an extension, these sockets turn fasteners and fittings in obstructed areas that a regular socket can't reach. They are also known as crowfoot wrenches.

For technical drawings and 3-D models, click on a part number.

3/8" Square Drive
Wrench Opening Shape	No. of Pieces	Includes	Material		Each
Rounded	10	Sockets: 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8", 1"	Chrome-Plated Steel	0000000	0000000
Rounded	10	Sockets: 10 mm, 11 mm, 12 mm, 13 mm, 14 mm, 15 mm, 16 mm, 17 mm, 18 mm, 19 mm	Chrome-Plated Steel	0000000	000000
1/2" Square Drive
Rounded	7	Sockets: 15/16", 1", 1 1/16", 1 1/8", 1 1/4", 1 7/16", 1 1/2"	Chrome-Plated Steel	0000000	000000

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

Stubby Hex Bit Socket Sets

The short bit fits in spaces where height clearance is limited.

For technical drawings and 3-D models, click on a part number.

1/4" Square Drive
No. of Pieces	Includes	Overall Lg.	Material		Each
4	Bit Sockets: 1/8", 9/64", 5/32", 3/16" (1 1/16" O'all Lg.)	1 1/16"	Chrome-Plated Steel	000000000	000000
3/8" Square Drive
5	Bit Sockets: 1/8", 3/16", 1/4", 5/16", 3/8" (1 11/16" O'all Lg.)	1 11/16"	Chrome-Plated Steel	0000000	00000
5	Bit Sockets: 4 mm, 5 mm, 6 mm, 8 mm, 10 mm (1 11/16" O'all Lg.)	1 11/16"	Chrome-Plated Steel	0000000	00000
7	Bit Sockets: 1/8", 5/32", 3/16", 7/32", 1/4", 5/16", 3/8" (1 13/16" O'all Lg.)	1 13/16"	Chrome-Plated Steel	0000000	00000
7	Bit Sockets: 4 mm, 5 mm, 6 mm, 7 mm, 8 mm, 9 mm, 10 mm (1 13/16" O'all Lg.)	1 13/16"	Chrome-Plated Steel	0000000	00000
1/2" Square Drive
6	Bit Sockets: 1/4", 5/16", 3/8", 1/2", 9/16", 5/8" (2 1/4" O'all Lg.)	2 1/4"	Chrome-Plated Steel	0000000	00000
1/4", 3/8", 1/2" Square Drive
13	1/4" Square Drive Size Bit Sockets: 3/32", 1/8", 5/32", 3/16" (1 1/2" O'all Lg.) 3/8" Square Drive Size Bit Sockets: 5/32", 3/16", 1/4", 5/16", 3/8" (1 7/8" O'all Lg.) 1/2" Square Drive Size Bit Sockets: 3/8", 1/2", 5/8", 3/4" (2 1/4" O'all Lg.)	1 1/2"-2 1/4"	Chrome-Plated Steel	00000000	000000

Economy Stubby Ratcheting Combination Wrench Sets

Suitable for occasional maintenance work, these sets are imported. When working in tight spaces, their short length fits where others can't. A ratchet mechanism turns fasteners without removing and repositioning the wrench. Flip over to ratchet in the opposite direction.

Inch Wrench Sets—12-Point Box Opening
Size	Overall Lg.	Box-End Turn Required to Ratchet	Open-End Opening Angle	Material	Appearance	Specifications Met	Container Type		Each
7-Piece Sets
3/8" 7/16" 1/2" 9/16" 5/8" 11/16" 3/4"	3 3/4"-5 1/2"	5°	15°	Chrome-Plated Steel	Polished	__	Plastic Tray	0000000	0000000
Metric Wrench Sets—12-Point Box Opening
10-Piece Sets
10 mm 11 mm 12 mm 13 mm 14 mm 15 mm 16 mm 17 mm 18 mm 19 mm	3 3/4"-5 1/2"	5°	15°	Chrome-Plated Steel	Polished	ASME B107.100	__	0000000	000000

Premium Stubby Ratcheting Combination Wrench Sets

Made in the U.S.A., these tools handle the toughest industrial applications, provide the best grip on fasteners, and have a superior finish. When working in tight spaces, their short length fits where others can't. A ratchet mechanism turns fasteners without removing and repositioning the wrench. Flip over to ratchet in the opposite direction. Wrenches are polished to a mirror-like finish.

For technical drawings and 3-D models, click on a part number.

Inch Wrench Sets—12-Point Box Opening
Size	Overall Lg.	Box-End Turn Required to Ratchet	Open-End Opening Angle	Material	Appearance	Container Type		Each
7-Piece Sets
3/8" 7/16" 1/2" 9/16" 5/8" 11/16" 3/4"	3 7/8"-5 3/8"	3°	15°	Chrome-Plated Steel	Polished	Fabric Roll-Up Pouch	0000000	0000000
Metric Wrench Sets—12-Point Box Opening
10-Piece Sets
10 mm 11 mm 12 mm 13 mm 14 mm 15 mm 16 mm 17 mm 18 mm 19 mm	3 1/2"-5 3/8"	3°	15°	Chrome-Plated Steel	Polished	Fabric Roll-Up Pouch	0000000	000000

Reversible Stubby Ratcheting Combination Wrench Sets

A lever reverses the ratchet direction. When working in tight spaces, these short wrenches fit where others can't. A ratchet mechanism allows you to turn fasteners without removing and repositioning the tool. Wrenches are polished to a mirror-like finish.

For technical drawings and 3-D models, click on a part number.

		Box End
Size	Overall Lg.	Head Offset Angle	Turn Required to Ratchet	Open-End Opening Angle	Material	Appearance	Container Type		Each
Inch Wrench Sets—12-Point Box Opening
8-Piece Sets
5/16" 3/8" 7/16" 1/2" 9/16" 5/8" 11/16" 3/4"	3 1/2"-5 1/2"	15°	5°	15°	Chrome-Plated Steel	Polished	Plastic Tray	000000	0000000
Metric Wrench Sets—12-Point Box Opening
12-Piece Sets
8 mm 9 mm 10 mm 11 mm 12 mm 13 mm 14 mm 15 mm 16 mm 17 mm 18 mm 19 mm	3 1/2"-5 1/2"	15°	5°	15°	Chrome-Plated Steel	Polished	Plastic Tray	0000000	000000

Miniature Open-End Wrench Sets

Sized for working on small equipment, these wrenches are 4 1/8" long with a slim head and handle.

Inch Wrench Sets
Sizes Included	Overall Lg.	Opening Angle	Material	Finish	Container Type		Each
8-Piece Sets
5/64" 3/32" 7/64" 1/8" 5/32" 3/16" 1/4" 5/16"	4 1/8"	30°	Steel	Black Oxide	Plastic Pouch	0000000	000000
Metric Wrench Sets
8-Piece Sets
2.5 mm 3 mm 3.2 mm 4 mm 5 mm 5.5 mm 6 mm 7 mm	4 1/8"	30°	Steel	Black Oxide	Plastic Pouch	0000000	00000

Stubby Open-End Wrench Sets

When turning fasteners in small spaces, these short wrenches fit where others can't.

For technical drawings and 3-D models, click on a part number.

Inch Wrench Sets
Sizes Included	Overall Lg.	Opening Angle	Material	Appearance	Container Type	Specifications Met		Each
5-Piece Sets
3/16" × 7/32" 1/4" × 9/32" 5/16" × 11/32" 3/8" × 7/16" 1/2" × 9/16"	2 7/8"-4 3/8"	15°	Chrome-Plated Steel	Dull	Plastic Roll-Up Pouch	__	00000000	000000
Metric Wrench Sets
6-Piece Sets
3.2 mm × 5.5 mm 4 mm × 5 mm 6 mm × 7 mm 8 mm × 9 mm 10 mm × 11 mm 12 mm × 13 mm	2 3/4"-4 3/8"	15°	Chrome-Plated Steel	Dull	Plastic Roll-Up Pouch	ISO 3318	0000000	00000