Metric Bolt Assortments | McMaster-Carr

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	System of Measurement System of Measurement	Show

Metric

	System of Measurement System of Measurement	Hide

Metric

Inch

	Head Type Head Type


Hex	Socket

Rounded	Headless

Flat

	Drive Style Drive Style


External Hex	Hex	Phillips

	Material Material

Steel

Stainless Steel

	Finish Finish

Zinc Plated

Black Oxide

	Fastener Strength Grade/Class Fastener Strength Grade/Class

Class 8.8

Class 10.9

Class 12.9

	Container Type Container Type

Metal Box

Plastic Box

Metal Drawer Cabinet

	Number of Pieces Number of Pieces

	Washer Type Washer Type


Split Lock	Flat

Spring Lock

	Specifications Met Specifications Met

DIN

ISO

	Spring Lock Washers Included Spring Lock Washers Included

For M4 Screw Size
(200 Pieces)

For M5 Screw Size
(200 Pieces)

For M6 Screw Size
(200 Pieces)

For M8 Screw Size
(200 Pieces)

	Container Length Container Length

	Container Width Container Width

	Container Depth Container Depth

	Container Features Container Features

Compartmented

Lid Chart

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

RoHS Compliant

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

REACH Compliant

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

DFARS Specialty Metals
COTS-Exempt

	Rounded Head Style Rounded Head Style


Button	Pan

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24 Products

Hex Head Screw Assortments

These assortments include hex head screws and hex nuts. Length is measured from under the head.

Grade 5 and Class 8.8 steel screws are suitable for fastening most machinery and equipment. Zinc-plated steel screws resist corrosion in wet environments.

Grade 8 and Class 10.9 steel screws are about 25% stronger than Grade 5 and Class 8.8 steel screws.

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

Metric
Number of Pieces	Includes	Specifications Met	Container Type		Each
Class 8.8 Steel
2,295	765 Hex Head Screws (M4 to M12 in 10 mm to 60 mm Lengths) 765 Hex Nuts (M4 to M12) 765 Lock Washers (For M4 to M12 Screw Sizes)	DIN 933, DIN 934, DIN 127B	Metal Box and Plastic Box	000000000	0000000
Zinc-Plated Class 8.8 Steel
465	315 Hex Head Screws (M4 to M10 in 12 mm to 50 mm Lengths) 150 Hex Nuts (M4 to M10)	DIN 933, DIN 934	Plastic Box	000000000	000000
2,295	765 Hex Head Screws (M4 to M12 in 10 mm to 60 mm Lengths) 765 Hex Nuts (M4 to M12) 765 Lock Washers (For M4 to M12 Screw Sizes)	DIN 933, DIN 934, DIN 127B	Metal Box and Plastic Box	000000000	000000
Class 10.9 Steel
575	165 Hex Head Screws (M6 to M12 in 16 mm to 40 mm Lengths) 165 Hex Nuts (M6 to M12) 245 Lock Washers (For M6 to M12 Screw Sizes)	DIN 933	Metal Box	000000000	000000

Socket Head Screw Assortments

Length is measured from under the head.

Black-oxide alloy steel screws resist corrosion in dry environments.

18-8 stainless steel screws are chemical resistant and may be mildly magnetic.

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

Metric
Number of Pieces	Screw Sizes Included	Specifications Met	Container Type		Each
Black-Oxide Class 12.9 Alloy Steel
120	M3 to M8 in 10 mm to 35 mm Lengths	DIN 912, ISO 4762	Plastic Box	000000000	000000
210	M3 to M10 in 10 mm to 35 mm Lengths	DIN 912, ISO 4762	Plastic Box	000000000	00000
425	M5 to M12 in 16 mm to 60 mm Lengths	DIN 912, ISO 4762	Metal Box	000000000	000000
600	M5 to M10 in 16 mm to 40 mm Lengths	DIN 912, ISO 4762	Metal Box	000000000	000000
765	M4 to M12 in 10 mm to 60 mm Lengths	DIN 912, ISO 4762	Metal Box	000000000	000000
880	M4 to M10 in 10 mm to 40 mm Lengths	DIN 912, ISO 4762	Metal Box	000000000	000000
1,058	M4 to M8 in 10 mm to 40 mm Lengths	DIN 912, ISO 4762	Metal Box	000000000	000000
18-8 Stainless Steel
240	M2 to M10 in 8 mm to 30 mm Lengths	DIN 912	Plastic Box	000000000	00000
288	M6 to M12 in 16 mm to 60 mm Lengths	DIN 911, DIN 912, ISO 2936, ISO 4762	Metal Box	000000000	000000
425	M5 to M12 in 16 mm to 60 mm Lengths	DIN 912, ISO 4762	Metal Box	000000000	000000
765	M4 to M12 in 10 mm to 60 mm Lengths	DIN 912, ISO 4762	Metal Box	000000000	000000
1,000	M2 to M5 in 4 mm to 25 mm Lengths	DIN 912, ISO 4762	Metal Box	000000000	000000

Hex-Drive Rounded Head Screw Assortments

These assortments include button head screws. Length is measured from under the head.

Black-oxide alloy steel screws resist corrosion in dry environments.

18-8 stainless steel screws are chemical resistant and may be mildly magnetic.

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

Metric
Number of Pieces	Screw Sizes Included	Specifications Met	Container Type		Each
Black-Oxide Class 10.9 Alloy Steel
258	M4 to M8 in 8 mm to 40 mm Lengths	ISO 7380	Plastic Box	000000000	000000
18-8 Stainless Steel
300	M3 to M8 in 8 mm to 30 mm Lengths	ISO 7380	Plastic Box	000000000	00000

Phillips Rounded Head Screw Assortments

Assortments include pan head screws. Length is measured from under the head.

Zinc-plated steel screws resist corrosion in wet environments.

Metric
Number of Pieces	Sizes Included	Specifications Met	Container Type		Each
Zinc-Plated Steel
1,500	M3 to M6 in 6 mm to 20 mm Lengths	DIN 7985	Metal Box	000000000	0000000

Flat Head Screw Assortments

Flat head screws are angled under the head to fit flush within countersunk holes. Length is measured from the top of the head.

Black-oxide alloy steel screws resist corrosion in dry environments.

18-8 stainless steel screws are chemical resistant and may be mildly magnetic.

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

Metric
Number of Pieces	Screw Sizes Included	Specifications Met	Container Type		Each
Black-Oxide Class 10.9 Alloy Steel
258	M4 to M8 in 10 mm to 40 mm Lengths	DIN 7991	Plastic Box	000000000	000000
18-8 Stainless Steel
300	M3 to M8 in 6 mm to 25 mm Lengths	DIN 7991	Plastic Box	000000000	00000

Fastener Maintenance Assortments

Black-oxide steel fasteners resist corrosion in dry environments.

Zinc-plated steel fasteners resist corrosion in wet environments.

18-8 stainless steel fasteners are chemical resistant and may be mildly magnetic.

Metric
Number of Pieces	Includes	Drive Style	Specifications Met	Container Type		Each
Zinc-Plated and Black-Oxide Steel
7,060	570 Socket Head Screws (M4 to M12) 750 Rounded Head Screws (M3 to M6) 580 Hex Head Screws (M4 to M12) 60 Set Screws (M4 to M6) 1,475 Hex Nuts (M3 to M12) 1,225 Flat Washers (For M4 to M12 Screw Sizes) 1,600 Lock Washers (For M3 to M12 Screw Sizes) 800 Spring Lock Washers (For M4 to M8 Screw Sizes)	External Hex, Hex, Phillips	DIN 125, DIN 127B, DIN 7985, DIN 912, DIN 916, DIN 933, DIN 934	Metal Drawer Cabinet	000000000	0000000
18-8 Stainless Steel
2,200	300 Flat Head Screws (M3 to M4) 300 Rounded Head Screws (M3 to M4) 600 Hex Nuts (M3 to M10) 500 Flat Washers (For M3 to M10 Screw Sizes) 500 Lock Washers (For M3 to M10 Screw Sizes)	Phillips	DIN 125, DIN 127B, DIN 7985, DIN 934, DIN 965	Metal Box	000000000	000000
7,060	570 Socket Head Screws (M4 to M12) 750 Rounded Head Screws (M3 to M6) 580 Hex Head Screws (M4 to M12) 60 Set Screws (M4 to M6) 1,475 Hex Nuts (M3 to M12) 1,225 Flat Washers (For M4 to M12 Screw Sizes) 1,600 Lock Washers (For M3 to M12 Screw Sizes) 800 Spring Lock Washers (For M4 to M8 Screw Sizes)	External Hex, Hex, Phillips	DIN 125, DIN 127B, DIN 7985, DIN 912, DIN 916, DIN 933, DIN 934	Metal Drawer Cabinet	000000000	00000000