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Black Oxide

Black Phosphate

Black Ultra-Corrosion-
Resistant Coated

Black Zinc Plated

Blue Dyed

Blue PTFE Coated

Blue Ultra-Corrosion-
Resistant Coated

Cadmium Plated

Green-Dyed

Hot-Dipped Galvanized

Silver Ultra-Corrosion-
Resistant Coated

Ultra-Corrosion-
Resistant Coated

Zinc Plated

Zinc Yellow-Chromate
Plated

Zinc-Aluminum Coated

	System of Measurement System of Measurement

Inch

Metric

	Thread Size Thread Size

	Thread Pitch Thread Pitch

	Length Length

	Material Material

Steel

	Fastener Strength Grade/Class Fastener Strength Grade/Class


Grade 5	Class 8.8

Class 10.9

	Head Type Head Type

	Hex

	Threading Threading

	Fully Threaded
	Partially Threaded

	Head Width Head Width

	Thread Direction Thread Direction

	Right Hand

	Specifications Met Specifications Met

	Drive Style Drive Style

	External Hex

	Head Height Head Height

	Thread Type Thread Type

UNC

Metric

	Thread Spacing Thread Spacing

Coarse

	Screw Features Screw Features

	Flanged

	Thread Fit Thread Fit

Class 2A

Class 6h

Class 6g

	Tensile Strength Tensile Strength

110,000 to 129,999 psi

130,000 to 159,999 psi

	Hardness Hardness

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

DFARS Specialty Metals
COTS-Exempt

	Flange Diameter Flange Diameter

	Locking Type Locking Type

	Serrations

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129 Products

About Hex Head Screws and Bolts

Fully Threaded

Made from Grade 5 steel, these screws are suitable for fastening most machinery and equipment. Dimensions meet ASME B18.2.1 specifications. Grade 5 steel hex head screws are marked with three radial lines. Length is measured from under the head.

Black ultra-corrosion-resistant-coated steel screws resist chemicals and withstand 1,000 hours of salt spray per ASTM B117. To maintain corrosion resistance, use these screws with black ultra-corrosion-resistant-coated nuts and washers.

Match the thread spacing of mating components. Coarse threads are the industry standard; choose these screws if you don’t know the threads per inch. Screws that meet ASTM A449 or SAE J429 comply with specifications and testing requirements for material quality.

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

			Head
Lg.	Threading	Thread Spacing	Wd.	Ht.	Tensile Strength, psi	Specifications Met	Pkg. Qty.		Pkg.
Black Ultra-Corrosion-Resistant-Coated Grade 5 Steel
1/4"-20
1/2"	Fully Threaded	Coarse	7/16"	5/32"	120,000	ASME B18.2.1, ASTM B117, SAE J429	5	000000000	00000
5/8"	Fully Threaded	Coarse	7/16"	5/32"	120,000	ASME B18.2.1, ASTM B117, SAE J429	5	000000000	0000
3/4"	Fully Threaded	Coarse	7/16"	5/32"	120,000	ASME B18.2.1, ASTM B117, SAE J429	5	000000000	0000
1"	Fully Threaded	Coarse	7/16"	5/32"	120,000	ASME B18.2.1, ASTM B117, SAE J429	5	000000000	0000
1 1/4"	Fully Threaded	Coarse	7/16"	5/32"	120,000	ASME B18.2.1, ASTM B117, SAE J429	5	000000000	0000
1 1/2"	Fully Threaded	Coarse	7/16"	5/32"	120,000	ASME B18.2.1, ASTM B117, SAE J429	5	000000000	0000
1 3/4"	Fully Threaded	Coarse	7/16"	5/32"	120,000	ASME B18.2.1, ASTM B117, SAE J429	5	000000000	0000
2"	Fully Threaded	Coarse	7/16"	5/32"	120,000	ASME B18.2.1, ASTM B117, SAE J429	5	000000000	0000
5/16"-18
1/2"	Fully Threaded	Coarse	1/2"	13/64"	120,000	ASME B18.2.1, ASTM B117, SAE J429	5	000000000	0000
3/4"	Fully Threaded	Coarse	1/2"	13/64"	120,000	ASME B18.2.1, ASTM B117, SAE J429	5	000000000	0000
1"	Fully Threaded	Coarse	1/2"	13/64"	120,000	ASME B18.2.1, ASTM B117, SAE J429	5	000000000	0000
1 1/4"	Fully Threaded	Coarse	1/2"	13/64"	120,000	ASME B18.2.1, ASTM B117, SAE J429	5	000000000	0000
1 1/2"	Fully Threaded	Coarse	1/2"	13/64"	120,000	ASME B18.2.1, ASTM B117, SAE J429	5	000000000	0000
1 3/4"	Fully Threaded	Coarse	1/2"	13/64"	120,000	ASME B18.2.1, ASTM B117, SAE J429	5	000000000	0000
2"	Fully Threaded	Coarse	1/2"	13/64"	120,000	ASME B18.2.1, ASTM B117, SAE J429	5	000000000	0000
3/8"-16
3/4"	Fully Threaded	Coarse	9/16"	15/64"	120,000	ASME B18.2.1, ASTM B117, SAE J429	5	000000000	0000
1"	Fully Threaded	Coarse	9/16"	15/64"	120,000	ASME B18.2.1, ASTM B117, SAE J429	5	000000000	0000
1 1/4"	Fully Threaded	Coarse	9/16"	15/64"	120,000	ASME B18.2.1, ASTM B117, SAE J429	5	000000000	00000
1 1/2"	Fully Threaded	Coarse	9/16"	15/64"	120,000	ASME B18.2.1, ASTM B117, SAE J429	5	000000000	00000
1 3/4"	Fully Threaded	Coarse	9/16"	15/64"	120,000	ASME B18.2.1, ASTM B117, SAE J429	5	000000000	00000
2"	Fully Threaded	Coarse	9/16"	15/64"	120,000	ASME B18.2.1, ASTM B117, SAE J429	5	000000000	00000
1/2"-13
1"	Fully Threaded	Coarse	3/4"	5/16"	120,000	ASME B18.2.1, ASTM B117, SAE J429	1	000000000	0000
1 1/4"	Fully Threaded	Coarse	3/4"	5/16"	120,000	ASME B18.2.1, ASTM B117, SAE J429	1	000000000	0000
1 1/2"	Fully Threaded	Coarse	3/4"	5/16"	120,000	ASME B18.2.1, ASTM B117, SAE J429	1	000000000	0000
1 3/4"	Fully Threaded	Coarse	3/4"	5/16"	120,000	ASME B18.2.1, ASTM B117, SAE J429	1	000000000	0000
2"	Fully Threaded	Coarse	3/4"	5/16"	120,000	ASME B18.2.1, ASTM B117, SAE J429	1	000000000	0000
2 1/4"	Fully Threaded	Coarse	3/4"	5/16"	120,000	ASME B18.2.1, ASTM B117, SAE J429	1	000000000	0000
2 1/2"	Fully Threaded	Coarse	3/4"	5/16"	120,000	ASME B18.2.1, ASTM B117, SAE J429	1	000000000	0000

Medium-Strength Metric Class 8.8 Steel Hex Head Screws

Fully Threaded

These Class 8.8 steel screws are suitable for fastening most machinery and equipment. Dimensions meet ISO (formerly DIN) specifications. Length is measured from under the head.

Black ultra-corrosion-resistant-coated steel screws resist chemicals and withstand 1,000 hours of salt spray. To maintain corrosion resistance, use these screws with black ultra-corrosion-resistant-coated nuts and washers.

Match the thread spacing of mating components. Coarse threads are the industry standard; choose these screws if you don’t know the pitch.

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

			Head
Lg., mm	Threading	Thread Spacing	Wd., mm	Ht., mm	Tensile Strength, psi	Specifications Met	Pkg. Qty.		Pkg.
Black Ultra-Corrosion-Resistant-Coated Class 8.8 Steel
M6 × 1 mm
12	Fully Threaded	Coarse	10	4	110,000	ISO 4017, DIN 933	10	000000000	000000
20	Fully Threaded	Coarse	10	4	110,000	ISO 4017, DIN 933	10	000000000	00000
25	Fully Threaded	Coarse	10	4	110,000	ISO 4017, DIN 933	10	000000000	00000
40	Fully Threaded	Coarse	10	4	110,000	ISO 4017, DIN 933	5	000000000	0000
50	Fully Threaded	Coarse	10	4	110,000	ISO 4017, DIN 933	5	000000000	0000
60	Fully Threaded	Coarse	10	4	110,000	ISO 4017, DIN 933	5	000000000	00000
70	Fully Threaded	Coarse	10	4	110,000	ISO 4017, DIN 933	1	000000000	0000
M8 × 1.25 mm
12	Fully Threaded	Coarse	13	5.3	110,000	ISO 4017, DIN 933	10	000000000	00000
20	Fully Threaded	Coarse	13	5.3	110,000	ISO 4017, DIN 933	10	000000000	00000
25	Fully Threaded	Coarse	13	5.3	110,000	ISO 4017, DIN 933	5	000000000	0000
40	Fully Threaded	Coarse	13	5.3	110,000	ISO 4017, DIN 933	5	000000000	0000
50	Fully Threaded	Coarse	13	5.3	110,000	ISO 4017, DIN 933	5	000000000	00000
60	Fully Threaded	Coarse	13	5.3	110,000	ISO 4017, DIN 933	1	000000000	0000
70	Fully Threaded	Coarse	13	5.3	110,000	ISO 4017, DIN 933	1	000000000	0000
M10 × 1.5 mm
20	Fully Threaded	Coarse	17	6.4	110,000	ISO 4017, DIN 933	5	000000000	0000
25	Fully Threaded	Coarse	17	6.4	110,000	ISO 4017, DIN 933	5	000000000	00000
40	Fully Threaded	Coarse	17	6.4	110,000	ISO 4017, DIN 933	5	000000000	00000
50	Fully Threaded	Coarse	17	6.4	110,000	ISO 4017, DIN 933	5	000000000	00000
60	Fully Threaded	Coarse	17	6.4	110,000	ISO 4017, DIN 933	5	000000000	00000
70	Fully Threaded	Coarse	17	6.4	110,000	ISO 4017, DIN 933	1	000000000	0000
M12 × 1.75 mm
20	Fully Threaded	Coarse	19	7.5	110,000	ISO 4017, DIN 933	5	000000000	00000
25	Fully Threaded	Coarse	19	7.5	110,000	ISO 4017, DIN 933	5	000000000	00000
40	Fully Threaded	Coarse	19	7.5	110,000	ISO 4017, DIN 933	5	000000000	00000
50	Fully Threaded	Coarse	19	7.5	110,000	ISO 4017, DIN 933	1	000000000	0000
60	Fully Threaded	Coarse	19	7.5	110,000	ISO 4017, DIN 933	1	000000000	0000
70	Fully Threaded	Coarse	19	7.5	110,000	ISO 4017, DIN 933	1	000000000	0000

High-Strength Metric Class 10.9 Steel Hex Head Screws

Fully Threaded

Choose these Class 10.9 steel screws for high-stress applications, such as valves, pumps, motors, and automotive suspension systems. They are at least 25% stronger than medium-strength steel screws. Dimensions meet ISO (formerly DIN) or DIN specifications. Length is measured from under the head.

Match the thread spacing of mating components. Coarse threads are the industry standard; choose these screws if you don’t know the pitch.

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

			Head
Lg., mm	Threading	Thread Spacing	Wd., mm	Ht., mm	Tensile Strength, psi	Specifications Met	Pkg. Qty.		Pkg.
Black Ultra-Corrosion-Resistant-Coated Class 10.9 Steel
M6 × 1 mm
12	Fully Threaded	Coarse	10	4	150,000	ISO 4017, DIN 933	10	000000000	000000
20	Fully Threaded	Coarse	10	4	150,000	ISO 4017, DIN 933	5	000000000	0000
25	Fully Threaded	Coarse	10	4	150,000	ISO 4017, DIN 933	5	000000000	0000
40	Fully Threaded	Coarse	10	4	150,000	ISO 4017, DIN 933	5	000000000	0000
50	Fully Threaded	Coarse	10	4	150,000	ISO 4017, DIN 933	5	000000000	00000
60	Fully Threaded	Coarse	10	4	150,000	ISO 4017, DIN 933	1	000000000	0000
70	Fully Threaded	Coarse	10	4	150,000	ISO 4017, DIN 933	1	000000000	0000
M8 × 1.25 mm
20	Fully Threaded	Coarse	13	5.3	150,000	ISO 4017, DIN 933	5	000000000	0000
25	Fully Threaded	Coarse	13	5.3	150,000	ISO 4017, DIN 933	5	000000000	0000
40	Fully Threaded	Coarse	13	5.3	150,000	ISO 4017, DIN 933	5	000000000	00000
50	Fully Threaded	Coarse	13	5.3	150,000	ISO 4017, DIN 933	5	000000000	00000
60	Fully Threaded	Coarse	13	5.3	150,000	ISO 4017, DIN 933	1	000000000	0000
70	Fully Threaded	Coarse	13	5.3	150,000	ISO 4017, DIN 933	1	000000000	0000
M10 × 1.5 mm
20	Fully Threaded	Coarse	17	6.4	150,000	ISO 4017, DIN 933	5	000000000	00000
25	Fully Threaded	Coarse	17	6.4	150,000	ISO 4017, DIN 933	5	000000000	00000
40	Fully Threaded	Coarse	17	6.4	150,000	ISO 4017, DIN 933	5	000000000	00000
50	Fully Threaded	Coarse	17	6.4	150,000	ISO 4017, DIN 933	5	000000000	00000
60	Fully Threaded	Coarse	17	6.4	150,000	ISO 4017, DIN 933	1	000000000	0000
70	Fully Threaded	Coarse	17	6.4	150,000	ISO 4017, DIN 933	1	000000000	0000
M12 × 1.75 mm
20	Fully Threaded	Coarse	19	7.5	150,000	ISO 4017, DIN 933	5	000000000	00000
25	Fully Threaded	Coarse	19	7.5	150,000	ISO 4017, DIN 933	5	000000000	00000
40	Fully Threaded	Coarse	19	7.5	150,000	ISO 4017, DIN 933	1	000000000	0000
50	Fully Threaded	Coarse	19	7.5	150,000	ISO 4017, DIN 933	1	000000000	0000
60	Fully Threaded	Coarse	19	7.5	150,000	ISO 4017, DIN 933	1	000000000	0000
70	Fully Threaded	Coarse	19	7.5	150,000	ISO 4017, DIN 933	1	000000000	0000

Medium-Strength Grade 5 Steel Flanged Hex Head Screws

Fully Threaded

Partially Threaded

Made from Grade 5 steel, these screws are suitable for fastening most machinery and equipment. The flange distributes pressure where the screw meets the surface, eliminating the need for a separate washer. Material meets SAE J429 specifications for quality. Dimensions meet IFI 111 specifications. Grade 5 steel hex head screws are marked with three radial lines. Head height includes the flange. Length is measured from under the flange.

Match the thread spacing of mating components. Coarse threads are the industry standard; choose these screws if you don’t know the threads per inch.

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

Black Ultra-Corrosion-Resistant Coated Grade 5 Steel

Screws
				Head								Grade 5 Steel Nuts
Lg.	Threading	Min. Thread Lg.	Thread Spacing	Wd.	Ht.	Flange Dia.	Tensile Strength, psi	Specifications Met	Pkg. Qty.		Pkg.	Pkg. Qty.		Pkg.
1/4"-20
1/2"	Fully Threaded	__	Coarse	3/8"	9/32"	9/16"	120,000	IFI 111, SAE J429	5	000000000	00000	10	000000000	00000
3/4"	Fully Threaded	__	Coarse	3/8"	9/32"	9/16"	120,000	IFI 111, SAE J429	5	000000000	0000	10	000000000	0000
1"	Fully Threaded	__	Coarse	3/8"	9/32"	9/16"	120,000	IFI 111, SAE J429	5	000000000	0000	10	000000000	0000
1 1/2"	Partially Threaded	3/4"	Coarse	3/8"	9/32"	9/16"	120,000	IFI 111, SAE J429	5	000000000	0000	10	000000000	0000
5/16"-18
1/2"	Fully Threaded	__	Coarse	1/2"	21/64"	11/16"	120,000	IFI 111, SAE J429	5	000000000	0000	10	000000000	0000
3/4"	Fully Threaded	__	Coarse	1/2"	21/64"	11/16"	120,000	IFI 111, SAE J429	5	000000000	0000	10	000000000	0000
1"	Fully Threaded	__	Coarse	1/2"	21/64"	11/16"	120,000	IFI 111, SAE J429	5	000000000	0000	10	000000000	0000
1 1/4"	Fully Threaded	__	Coarse	1/2"	21/64"	11/16"	120,000	IFI 111, SAE J429	5	000000000	0000	10	000000000	0000
1 1/2"	Partially Threaded	7/8"	Coarse	1/2"	21/64"	11/16"	120,000	IFI 111, SAE J429	5	000000000	00000	10	000000000	0000
3/8"-16
3/4"	Fully Threaded	__	Coarse	9/16"	25/64"	13/16"	120,000	IFI 111, SAE J429	5	000000000	0000	5	000000000	0000
1"	Fully Threaded	__	Coarse	9/16"	25/64"	13/16"	120,000	IFI 111, SAE J429	5	000000000	00000	5	000000000	0000
1 1/4"	Fully Threaded	__	Coarse	9/16"	25/64"	13/16"	120,000	IFI 111, SAE J429	5	000000000	00000	5	000000000	0000
1 1/2"	Fully Threaded	__	Coarse	9/16"	25/64"	13/16"	120,000	IFI 111, SAE J429	5	000000000	00000	5	000000000	0000
2"	Partially Threaded	1"	Coarse	9/16"	25/64"	13/16"	120,000	IFI 111, SAE J429	5	000000000	00000	5	000000000	0000
1/2"-13
1"	Fully Threaded	__	Coarse	3/4"	33/64"	1 5/64"	120,000	IFI 111, SAE J429	5	000000000	00000	5	000000000	0000
1 1/4"	Fully Threaded	__	Coarse	3/4"	33/64"	1 5/64"	120,000	IFI 111, SAE J429	1	000000000	0000	5	000000000	0000
1 1/2"	Fully Threaded	__	Coarse	3/4"	33/64"	1 5/64"	120,000	IFI 111, SAE J429	1	000000000	0000	5	000000000	0000

Medium-Strength Metric Class 8.8 Steel Flanged Hex Head Screws

Black Ultra-Corrosion-Resistant Coated

Fully Threaded

These Class 8.8 steel screws are suitable for fastening most machinery and equipment. The flange distributes pressure where the screw meets the surface, eliminating the need for a separate washer. All screws meet DIN 6921 specifications for dimensions. Head height includes the flange. Length is measured from under the flange.

Black ultra-corrosion-resistant-coated screws resist chemicals and withstand 1,000 hours of salt spray. To maintain corrosion resistance, use these screws with black ultra-corrosion-resistant-coated nuts and washers.

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

			Head, mm
Lg., mm	Threading	Thread Spacing	Wd.	Ht.	Flange Dia., mm	Tensile Strength, psi	Specifications Met	Pkg. Qty.		Pkg.
Black Ultra-Corrosion-Resistant-Coated Class 8.8 Steel
M6 × 1 mm
12	Fully Threaded	Coarse	10	6.6	14.2	110,000	DIN 6921	5	000000000	00000
20	Fully Threaded	Coarse	10	6.6	14.2	110,000	DIN 6921	5	000000000	0000
25	Fully Threaded	Coarse	10	6.6	14.2	110,000	DIN 6921	5	000000000	0000
M8 × 1.25 mm
12	Fully Threaded	Coarse	13	8.1	18	110,000	DIN 6921	5	000000000	0000
20	Fully Threaded	Coarse	13	8.1	18	110,000	DIN 6921	5	000000000	0000
25	Fully Threaded	Coarse	13	8.1	18	110,000	DIN 6921	5	000000000	0000
M10 × 1.5 mm
20	Fully Threaded	Coarse	15	9.2	22.3	110,000	DIN 6921	5	000000000	00000
25	Fully Threaded	Coarse	15	9.2	22.3	110,000	DIN 6921	5	000000000	00000
40	Fully Threaded	Coarse	15	9.2	22.3	110,000	DIN 6921	1	000000000	0000
M12 × 1.75 mm
20	Fully Threaded	Coarse	16	11.5	26.6	110,000	DIN 6921	1	000000000	0000
25	Fully Threaded	Coarse	16	11.5	26.6	110,000	DIN 6921	1	000000000	0000
40	Fully Threaded	Coarse	16	11.5	26.6	110,000	DIN 6921	1	000000000	0000

Medium-Strength Grade 5 Steel Serrated-Flange Hex Head Screws

Made from Grade 5 steel, these screws are suitable for fastening most machinery and equipment. Serrations under the head grip the material surface for mild vibration resistance, and the flange distributes pressure where the screw meets the surface, eliminating the need for a separate washer. Material meets SAE J429 specifications for quality. Dimensions meet IFI 111 specifications. Grade 5 steel hex head screws are marked with three radial lines. Head height includes the flange. Length is measured from under the flange.

Match the thread spacing of mating components. Coarse threads are the industry standard; choose these screws if you don’t know the threads per inch.

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

Black Ultra-Corrosion-Resistant-Coated Grade 5 Steel

Black Ultra-Corrosion-Resistant-Coated Steel

Screws
			Head								Grade 5 Steel Nuts
Lg.	Threading	Thread Spacing	Wd.	Ht.	Flange Dia.	Tensile Strength, psi	Specifications Met	Pkg. Qty.		Pkg.	Pkg. Qty.		Pkg.
1/4"-20
1/2"	Fully Threaded	Coarse	3/8"	9/32"	9/16"	120,000	IFI 111, SAE J429	5	000000000	00000	10	000000000	00000
3/4"	Fully Threaded	Coarse	3/8"	9/32"	9/16"	120,000	IFI 111, SAE J429	5	000000000	0000	10	000000000	0000
1"	Fully Threaded	Coarse	3/8"	9/32"	9/16"	120,000	IFI 111, SAE J429	5	000000000	0000	10	000000000	0000
1 1/2"	Fully Threaded	Coarse	3/8"	9/32"	9/16"	120,000	IFI 111, SAE J429	5	000000000	0000	10	000000000	0000
5/16"-18
1/2"	Fully Threaded	Coarse	1/2"	21/64"	11/16"	120,000	IFI 111, SAE J429	5	000000000	0000	10	000000000	0000
3/4"	Fully Threaded	Coarse	1/2"	21/64"	11/16"	120,000	IFI 111, SAE J429	5	000000000	0000	10	000000000	0000
1"	Fully Threaded	Coarse	1/2"	21/64"	11/16"	120,000	IFI 111, SAE J429	5	000000000	0000	10	000000000	0000
1 1/4"	Fully Threaded	Coarse	1/2"	21/64"	11/16"	120,000	IFI 111, SAE J429	5	000000000	0000	10	000000000	0000
1 1/2"	Fully Threaded	Coarse	1/2"	21/64"	11/16"	120,000	IFI 111, SAE J429	5	000000000	0000	10	000000000	0000
3/8"-16
3/4"	Fully Threaded	Coarse	9/16"	25/64"	13/16"	120,000	IFI 111, SAE J429	5	000000000	0000	5	000000000	0000
1"	Fully Threaded	Coarse	9/16"	25/64"	13/16"	120,000	IFI 111, SAE J429	5	000000000	0000	5	000000000	0000
1 1/4"	Fully Threaded	Coarse	9/16"	25/64"	13/16"	120,000	IFI 111, SAE J429	5	000000000	00000	5	000000000	0000
1 1/2"	Fully Threaded	Coarse	9/16"	25/64"	13/16"	120,000	IFI 111, SAE J429	5	000000000	00000	5	000000000	0000
2"	Fully Threaded	Coarse	9/16"	25/64"	13/16"	120,000	IFI 111, SAE J429	1	000000000	0000	5	000000000	0000
1/2"-13
1"	Fully Threaded	Coarse	3/4"	33/64"	1 5/64"	120,000	IFI 111, SAE J429	1	000000000	0000	5	000000000	0000
1 1/4"	Fully Threaded	Coarse	3/4"	33/64"	1 5/64"	120,000	IFI 111, SAE J429	1	000000000	0000	5	000000000	0000
1 1/2"	Fully Threaded	Coarse	3/4"	33/64"	1 5/64"	120,000	IFI 111, SAE J429	1	000000000	0000	5	000000000	0000

129 Products

About Hex Head Screws and Bolts

Medium-Strength Grade 5 Steel Hex Head Screws

Medium-Strength Metric Class 8.8 Steel Hex Head Screws

High-Strength Metric Class 10.9 Steel Hex Head Screws

Medium-Strength Grade 5 Steel Flanged Hex Head Screws

Medium-Strength Metric Class 8.8 Steel Flanged Hex Head Screws

Medium-Strength Grade 5 Steel Serrated-Flange Hex Head Screws