A286 Super Alloy Socket Head Cap Screws

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Stainless Steel

A286 Stainless Steel

	Material Material	Hide

	System of Measurement System of Measurement

Inch

Metric

	Thread Size Thread Size

0-80
2-56
4-40
6-32
8-32
10-24
10-32
1/4"-20
5/16"-18
3/8"-16
M3
M4
M5
M6
M8

	Head Type Head Type


Socket	Rounded

Flat

	Length Length

	Specifications Met Specifications Met

ASME

DIN

Fed. Spec.

ISO

NAS

	Drive Style Drive Style

	Hex		Torx

	Socket Head Profile Socket Head Profile

	Standard

	Tensile Strength Tensile Strength

130,000 to 149,999 psi

150,000 psi or greater

	Threading Threading

	Fully Threaded
	Partially Threaded

	Thread Direction Thread Direction

	Right Hand

	Head Diameter Head Diameter

	Drive Size Drive Size

	Thread Type Thread Type

	Thread Pitch Thread Pitch

	Head Height Head Height

	Thread Fit Thread Fit

Class 2A

Class 3A

Class 6g

	Hardness Hardness

Rockwell C24

Rockwell C31

Rockwell C33

	Thread Spacing Thread Spacing

Coarse

Fine

	Rounded Head Style Rounded Head Style

	Button

	Flat Head Profile Flat Head Profile

	Standard

	Countersink Angle Countersink Angle

82°

90°

	Rounded Head Profile Rounded Head Profile

Standard

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231 Products

About Socket Head Screws

About Rounded Head Screws

About Flat Head Screws

Fully Threaded

Partially Threaded

Often used to fasten parts in engines and turbines, these are our strongest stainless steel screws. They are comparable in strength to alloy steel with the corrosion resistance of 18-8 stainless steel. Screws are nonmagnetic. Length is measured from under the head.

Coarse threads are the industry standard; choose these screws if you don’t know the pitch or threads per inch. Fine threads are closely spaced to prevent loosening from vibration. They are not compatible with coarse threads.

Screws that meet Fed. Spec. FF-S-86 and ISO 4762 (formerly DIN 912) comply with specifications for dimensional standards.

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

				Head
Lg.	Threading	Min. Thread Lg.	Thread Spacing	Dia.	Ht.	Drive Size	Tensile Strength, psi	Specifications Met		Each
A286 Stainless Steel
0-80
1/8"	Fully Threaded	__	Fine	0.096"	0.06"	0.050"	160,000	Fed. Spec. FF-S-86, NAS1351N00-2	000000000	00000
3/16"	Fully Threaded	__	Fine	0.096"	0.06"	0.050"	160,000	Fed. Spec. FF-S-86, NAS1351N00-3	000000000	0000
1/4"	Fully Threaded	__	Fine	0.096"	0.06"	0.050"	160,000	Fed. Spec. FF-S-86, NAS1351N00-4	000000000	0000
5/16"	Fully Threaded	__	Fine	0.096"	0.06"	0.050"	160,000	Fed. Spec. FF-S-86, NAS1351N00-5	000000000	0000
3/8"	Fully Threaded	__	Fine	0.096"	0.06"	0.050"	160,000	Fed. Spec. FF-S-86, NAS1351N00-6	000000000	0000
1/2"	Fully Threaded	__	Fine	0.096"	0.06"	0.050"	160,000	Fed. Spec. FF-S-86, NAS1351N00-8	000000000	0000
2-56
1/8"	Fully Threaded	__	Coarse	9/64"	0.086"	5/64"	160,000	Fed. Spec. FF-S-86, NAS1352N02-2	000000000	0000
3/16"	Fully Threaded	__	Coarse	9/64"	0.086"	5/64"	160,000	Fed. Spec. FF-S-86, NAS1352N-02-3	000000000	0000
1/4"	Fully Threaded	__	Coarse	9/64"	0.086"	5/64"	160,000	Fed. Spec. FF-S-86, NAS1352N-02-4	000000000	0000
5/16"	Fully Threaded	__	Coarse	9/64"	0.086"	5/64"	160,000	Fed. Spec. FF-S-86, NAS1352N-02-5	000000000	0000
3/8"	Fully Threaded	__	Coarse	9/64"	0.086"	5/64"	160,000	Fed. Spec. FF-S-86, NAS1352N-02-6	000000000	0000
1/2"	Fully Threaded	__	Coarse	9/64"	0.086"	5/64"	160,000	Fed. Spec. FF-S-86, NAS1352N02-8	000000000	0000
5/8"	Fully Threaded	__	Coarse	9/64"	0.086"	5/64"	160,000	Fed. Spec. FF-S-86, NAS1352N02-10	000000000	0000
3/4"	Fully Threaded	__	Coarse	9/64"	0.086"	5/64"	160,000	ASME B18.3	000000000	0000
1"	Partially Threaded	3/4"	Coarse	9/64"	0.086"	5/64"	160,000	ASME B18.3	000000000	0000
4-40
1/8"	Fully Threaded	__	Coarse	0.183"	0.112"	3/32"	160,000	Fed. Spec. FF-S-86, NAS1352N04-2	000000000	0000
3/16"	Fully Threaded	__	Coarse	0.183"	0.112"	3/32"	160,000	Fed. Spec. FF-S-86, NAS1352N04-3	000000000	0000
1/4"	Fully Threaded	__	Coarse	0.183"	0.112"	3/32"	160,000	Fed. Spec. FF-S-86, NAS1352N-04-4	000000000	0000
5/16"	Fully Threaded	__	Coarse	0.183"	0.112"	3/32"	160,000	Fed. Spec. FF-S-86, NAS1352N-04-5	000000000	0000
3/8"	Fully Threaded	__	Coarse	0.183"	0.112"	3/32"	160,000	Fed. Spec. FF-S-86, NAS1352N-04-6	000000000	0000
1/2"	Fully Threaded	__	Coarse	0.183"	0.112"	3/32"	160,000	Fed. Spec. FF-S-86, NAS1352N-04-8	000000000	0000
5/8"	Fully Threaded	__	Coarse	0.183"	0.112"	3/32"	160,000	Fed. Spec. FF-S-86, NAS1352N04-8	000000000	0000
3/4"	Fully Threaded	__	Coarse	0.183"	0.112"	3/32"	160,000	Fed. Spec. FF-S-86, NAS1352N-04-12	000000000	0000
1"	Fully Threaded	__	Coarse	0.183"	0.112"	3/32"	160,000	Fed. Spec. FF-S-86, NAS1352N04-16	000000000	0000
6-32
1/4"	Fully Threaded	__	Coarse	0.226"	0.138"	7/64"	160,000	Fed. Spec. FF-S-86, NAS1352N-06-4	000000000	0000
5/16"	Fully Threaded	__	Coarse	0.226"	0.138"	7/64"	160,000	Fed. Spec. FF-S-86, NAS1352N-06-5	000000000	0000
3/8"	Fully Threaded	__	Coarse	0.226"	0.138"	7/64"	160,000	Fed. Spec. FF-S-86, NAS1352N-06-6	000000000	0000
1/2"	Fully Threaded	__	Coarse	0.226"	0.138"	7/64"	160,000	Fed. Spec. FF-S-86, NAS1352N-06-8	000000000	0000
5/8"	Fully Threaded	__	Coarse	0.226"	0.138"	7/64"	160,000	Fed. Spec. FF-S-86, NAS1352N06-10	000000000	0000
3/4"	Fully Threaded	__	Coarse	0.226"	0.138"	7/64"	160,000	Fed. Spec. FF-S-86, NAS1352N-06-12	000000000	0000
1"	Fully Threaded	__	Coarse	0.226"	0.138"	7/64"	160,000	Fed. Spec. FF-S-86, NAS1352N-06-16	000000000	0000
8-32
1/4"	Fully Threaded	__	Coarse	0.27"	0.164"	9/64"	160,000	Fed. Spec. FF-S-86, NAS1352N08-4	000000000	0000
5/16"	Fully Threaded	__	Coarse	0.27"	0.164"	9/64"	160,000	Fed. Spec. FF-S-86, NAS1352N08-5	000000000	0000
3/8"	Fully Threaded	__	Coarse	0.27"	0.164"	9/64"	160,000	Fed. Spec. FF-S-86, NAS1352N-08-6	000000000	0000
1/2"	Fully Threaded	__	Coarse	0.27"	0.164"	9/64"	160,000	Fed. Spec. FF-S-86, NAS1352N-08-8	000000000	0000
5/8"	Fully Threaded	__	Coarse	0.27"	0.164"	9/64"	160,000	Fed. Spec. FF-S-86, NAS1352N-08-10	000000000	0000
3/4"	Fully Threaded	__	Coarse	0.27"	0.164"	9/64"	160,000	Fed. Spec. FF-S-86, NAS1352N-08-12	000000000	0000
1"	Fully Threaded	__	Coarse	0.27"	0.164"	9/64"	160,000	Fed. Spec. FF-S-86, NAS1352N-08-16	000000000	0000
1 1/4"	Partially Threaded	0.87"	Coarse	0.27"	0.164"	9/64"	160,000	ASME B18.3	000000000	00000
1 3/4"	Partially Threaded	0.87"	Coarse	0.27"	0.164"	9/64"	160,000	ASME B18.3	000000000	00000
2"	Partially Threaded	1.16"	Coarse	0.27"	0.164"	9/64"	160,000	ASME B18.3	000000000	00000
3"	Partially Threaded	1.12"	Coarse	0.27"	0.164"	9/64"	160,000	ASME B18.3	000000000	00000
4"	Partially Threaded	0.88"	Coarse	0.27"	0.164"	9/64"	160,000	ASME B18.3	000000000	00000
10-32
3/8"	Fully Threaded	__	Fine	5/16"	0.19"	5/32"	160,000	Fed. Spec. FF-S-86, NAS1351N-3-6	000000000	0000
1/2"	Fully Threaded	__	Fine	5/16"	0.19"	5/32"	160,000	Fed. Spec. FF-S-86, NAS1351N-3-8	000000000	0000
5/8"	Fully Threaded	__	Fine	5/16"	0.19"	5/32"	160,000	Fed. Spec. FF-S-86, NAS1351N-3-10	000000000	0000
3/4"	Fully Threaded	__	Fine	5/16"	0.19"	5/32"	160,000	Fed. Spec. FF-S-86, NAS1351N-3-12	000000000	0000
7/8"	Fully Threaded	__	Fine	5/16"	0.19"	5/32"	160,000	Fed. Spec. FF-S-86, NAS1351N-3-14	000000000	0000
1"	Fully Threaded	__	Fine	5/16"	0.19"	5/32"	160,000	Fed. Spec. FF-S-86, NAS1351N-3-16	000000000	0000
1 1/4"	Partially Threaded	7/8"	Fine	5/16"	0.19"	5/32"	160,000	Fed. Spec. FF-S-86, NAS1351N-3-20	000000000	0000
1 1/2"	Partially Threaded	1.12"	Fine	5/16"	3/16"	5/32"	160,000	ASME B18.3	000000000	00000
1 3/4"	Partially Threaded	0.87"	Fine	5/16"	3/16"	5/32"	160,000	ASME B18.3	000000000	00000
2"	Partially Threaded	1.12"	Fine	5/16"	3/16"	5/32"	160,000	ASME B18.3	000000000	00000
2 1/4"	Partially Threaded	0.87"	Fine	5/16"	3/16"	5/32"	160,000	ASME B18.3	000000000	0000
2 1/2"	Partially Threaded	1.12"	Fine	5/16"	3/16"	5/32"	160,000	ASME B18.3	000000000	00000
2 3/4"	Partially Threaded	0.87"	Fine	5/16"	3/16"	5/32"	160,000	ASME B18.3	000000000	00000
3"	Partially Threaded	1.12"	Fine	5/16"	3/16"	5/32"	160,000	ASME B18.3	000000000	00000
4"	Partially Threaded	1.12"	Fine	5/16"	3/16"	5/32"	160,000	ASME B18.3	000000000	00000
1/4"-20
3/8"	Fully Threaded	__	Coarse	3/8"	1/4"	3/16"	160,000	Fed. Spec. FF-S-86, NAS1352N4-6	000000000	0000
1/2"	Fully Threaded	__	Coarse	3/8"	1/4"	3/16"	160,000	Fed. Spec. FF-S-86, NAS1352N-4-8	000000000	0000
5/8"	Fully Threaded	__	Coarse	3/8"	1/4"	3/16"	160,000	Fed. Spec. FF-S-86, NAS1352N-4-10	000000000	0000
3/4"	Fully Threaded	__	Coarse	3/8"	1/4"	3/16"	160,000	Fed. Spec. FF-S-86, NAS1352N-4-12	000000000	0000
1"	Fully Threaded	__	Coarse	3/8"	1/4"	3/16"	160,000	Fed. Spec. FF-S-86, NAS1352N-4-16	000000000	0000
1 1/4"	Fully Threaded	__	Coarse	3/8"	1/4"	3/16"	160,000	Fed. Spec. FF-S-86, NAS1352N-4-20	000000000	0000
1 1/2"	Partially Threaded	1"	Coarse	3/8"	1/4"	3/16"	160,000	ASME B18.3	000000000	0000
1 3/4"	Partially Threaded	1 1/4"	Coarse	3/8"	1/4"	3/16"	160,000	ASME B18.3	000000000	0000
2"	Partially Threaded	1"	Coarse	3/8"	1/4"	3/16"	160,000	ASME B18.3	000000000	00000
2 1/2"	Partially Threaded	1"	Coarse	3/8"	1/4"	3/16"	160,000	ASME B18.3	000000000	00000
2 3/4"	Partially Threaded	1 1/4"	Coarse	3/8"	1/4"	3/16"	160,000	ASME B18.3	000000000	00000
3"	Partially Threaded	1"	Coarse	3/8"	1/4"	3/16"	160,000	ASME B18.3	000000000	00000
3 1/2"	Partially Threaded	1"	Coarse	3/8"	1/4"	3/16"	160,000	ASME B18.3	000000000	00000
4"	Partially Threaded	1"	Coarse	3/8"	1/4"	3/16"	160,000	ASME B18.3	000000000	00000
5"	Partially Threaded	1"	Coarse	3/8"	1/4"	3/16"	160,000	ASME B18.3	000000000	00000
6"	Partially Threaded	1"	Coarse	3/8"	1/4"	3/16"	160,000	ASME B18.3	000000000	00000
5/16"-18
1/2"	Fully Threaded	__	Coarse	19/32"	5/16"	1/4"	160,000	ASME B18.3	000000000	00000
3/4"	Fully Threaded	__	Coarse	19/32"	5/16"	1/4"	160,000	ASME B18.3	000000000	0000
1"	Fully Threaded	__	Coarse	19/32"	5/16"	1/4"	160,000	ASME B18.3	000000000	0000
1 1/4"	Fully Threaded	__	Coarse	19/32"	5/16"	1/4"	160,000	ASME B18.3	000000000	0000
1 1/2"	Fully Threaded	__	Coarse	19/32"	5/16"	1/4"	160,000	ASME B18.3	000000000	00000
2"	Partially Threaded	1.38"	Coarse	19/32"	5/16"	1/4"	160,000	ASME B18.3	000000000	00000
2 1/4"	Partially Threaded	1.13"	Coarse	19/32"	5/16"	1/4"	160,000	ASME B18.3	000000000	00000
2 3/4"	Partially Threaded	1.13"	Coarse	19/32"	5/16"	1/4"	160,000	ASME B18.3	000000000	00000
4"	Partially Threaded	1.38"	Coarse	19/32"	5/16"	1/4"	160,000	ASME B18.3	000000000	00000
5"	Partially Threaded	1.38"	Coarse	19/32"	5/16"	1/4"	160,000	ASME B18.3	000000000	00000
6"	Partially Threaded	1.38"	Coarse	19/32"	5/16"	1/4"	160,000	ASME B18.3	000000000	00000
3/8"-16
1/2"	Fully Threaded	__	Coarse	9/16"	3/8"	5/16"	160,000	ASME B18.3	000000000	00000
3/4"	Fully Threaded	__	Coarse	9/16"	3/8"	5/16"	160,000	ASME B18.3	000000000	00000
1"	Fully Threaded	__	Coarse	9/16"	3/8"	5/16"	160,000	Fed. Spec. FF-S-86, NAS1352N-6-16	000000000	00000
1 1/4"	Fully Threaded	__	Coarse	9/16"	3/8"	5/16"	160,000	ASME B18.3	000000000	00000
1 1/2"	Fully Threaded	__	Coarse	9/16"	3/8"	5/16"	160,000	Fed. Spec. FF-S-86, NAS1352N-6-24	000000000	00000
1 3/4"	Partially Threaded	1 1/4"	Coarse	9/16"	3/8"	5/16"	160,000	ASME B18.3	000000000	00000
2"	Fully Threaded	__	Coarse	9/16"	3/8"	5/16"	160,000	Fed. Spec. FF-S-86, NAS1352N6-32	000000000	00000
3 1/2"	Partially Threaded	1 1/2"	Coarse	9/16"	3/8"	5/16"	160,000	ASME B18.3	000000000	00000
4"	Partially Threaded	1 1/2"	Coarse	9/16"	3/8"	5/16"	160,000	ASME B18.3	000000000	00000
5"	Partially Threaded	1 1/2"	Coarse	9/16"	3/8"	5/16"	160,000	ASME B18.3	000000000	00000
6"	Partially Threaded	1 1/2"	Coarse	9/16"	3/8"	5/16"	160,000	ASME B18.3	000000000	00000
M3 × 0.5mm
6mm	Fully Threaded	__	Coarse	5.5mm	3mm	2.5 mm	160,000	DIN 912, ISO 4762	000000000	0000
8mm	Fully Threaded	__	Coarse	5.5mm	3mm	2.5 mm	160,000	DIN 912, ISO 4762	000000000	0000
10mm	Fully Threaded	__	Coarse	5.5mm	3mm	2.5 mm	160,000	DIN 912, ISO 4762	000000000	0000
12mm	Fully Threaded	__	Coarse	5.5mm	3mm	2.5 mm	160,000	DIN 912, ISO 4762	000000000	0000
14mm	Fully Threaded	__	Coarse	5.7mm	3mm	2.5 mm	160,000	DIN 912, ISO 4762	000000000	0000
16mm	Fully Threaded	__	Coarse	5.7mm	3mm	2.5 mm	160,000	DIN 912, ISO 4762	000000000	0000
18mm	Fully Threaded	__	Coarse	5.7mm	3mm	2.5 mm	160,000	DIN 912, ISO 4762	000000000	0000
20mm	Fully Threaded	__	Coarse	5.7mm	3mm	2.5 mm	160,000	DIN 912, ISO 4762	000000000	0000
25mm	Partially Threaded	18mm	Coarse	5.7mm	3mm	2.5 mm	160,000	DIN 912, ISO 4762	000000000	0000
M4 × 0.7mm
8mm	Fully Threaded	__	Coarse	7mm	4mm	3 mm	160,000	DIN 912, ISO 4762	000000000	0000
10mm	Fully Threaded	__	Coarse	7mm	4mm	3 mm	160,000	DIN 912, ISO 4762	000000000	0000
12mm	Fully Threaded	__	Coarse	7mm	4mm	3 mm	160,000	DIN 912, ISO 4762	000000000	0000
14mm	Fully Threaded	__	Coarse	7.2mm	4mm	3 mm	160,000	DIN 912, ISO 4762	000000000	0000
16mm	Fully Threaded	__	Coarse	7mm	4mm	3 mm	160,000	DIN 912, ISO 4762	000000000	0000
18mm	Fully Threaded	__	Coarse	7mm	4mm	3 mm	160,000	DIN 912, ISO 4762	000000000	0000
20mm	Fully Threaded	__	Coarse	7mm	4mm	3 mm	160,000	DIN 912, ISO 4762	000000000	0000
25mm	Fully Threaded	__	Coarse	7.2mm	4mm	3 mm	160,000	DIN 912, ISO 4762	000000000	0000
30mm	Fully Threaded	__	Coarse	7mm	4mm	3 mm	160,000	DIN 912, ISO 4762	000000000	0000
40mm	Partially Threaded	20mm	Coarse	7.2mm	4mm	3 mm	160,000	DIN 912, ISO 4762	000000000	0000
M5 × 0.8mm
10mm	Fully Threaded	__	Coarse	8.5mm	5mm	4 mm	160,000	DIN 912, ISO 4762	000000000	0000
12mm	Fully Threaded	__	Coarse	8.5mm	5mm	4 mm	160,000	DIN 912, ISO 4762	000000000	0000
16mm	Fully Threaded	__	Coarse	8.5mm	5mm	4 mm	160,000	DIN 912, ISO 4762	000000000	0000
18mm	Fully Threaded	__	Coarse	8.7mm	5mm	4 mm	160,000	DIN 912, ISO 4762	000000000	0000
20mm	Fully Threaded	__	Coarse	8.5mm	5mm	4 mm	160,000	DIN 912, ISO 4762	000000000	0000
25mm	Fully Threaded	__	Coarse	8.7mm	5mm	4 mm	160,000	DIN 912, ISO 4762	000000000	0000
30mm	Partially Threaded	22mm	Coarse	8.7mm	5mm	4 mm	160,000	DIN 912, ISO 4762	000000000	0000
35mm	Partially Threaded	22mm	Coarse	8.7mm	5mm	4 mm	160,000	DIN 912, ISO 4762	000000000	0000
40mm	Partially Threaded	22mm	Coarse	8.7mm	5mm	4 mm	160,000	DIN 912, ISO 4762	000000000	00000
M6 × 1mm
12mm	Fully Threaded	__	Coarse	10mm	6mm	5 mm	160,000	DIN 912, ISO 4762	000000000	0000
16mm	Fully Threaded	__	Coarse	10mm	6mm	5 mm	160,000	DIN 912, ISO 4762	000000000	0000
20mm	Fully Threaded	__	Coarse	10mm	6mm	5 mm	160,000	DIN 912, ISO 4762	000000000	0000
25mm	Fully Threaded	__	Coarse	10mm	6mm	5 mm	160,000	DIN 912, ISO 4762	000000000	0000
30mm	Fully Threaded	__	Coarse	10mm	6mm	5 mm	160,000	DIN 912, ISO 4762	000000000	0000
35mm	Partially Threaded	24mm	Coarse	10.2mm	6mm	5 mm	160,000	DIN 912, ISO 4762	000000000	0000
40mm	Partially Threaded	24mm	Coarse	10.2mm	6mm	5 mm	160,000	DIN 912, ISO 4762	000000000	0000
45mm	Partially Threaded	24mm	Coarse	10.2mm	6mm	5 mm	160,000	DIN 912, ISO 4762	000000000	00000
50mm	Partially Threaded	24mm	Coarse	10.2mm	6mm	5 mm	160,000	DIN 912, ISO 4762	000000000	00000
M8 × 1.25mm
16mm	Fully Threaded	__	Coarse	13mm	8mm	6 mm	160,000	DIN 912, ISO 4762	000000000	00000
20mm	Fully Threaded	__	Coarse	13mm	8mm	6 mm	160,000	DIN 912, ISO 4762	000000000	00000
25mm	Fully Threaded	__	Coarse	13mm	8mm	6 mm	160,000	DIN 912, ISO 4762	000000000	00000
30mm	Fully Threaded	__	Coarse	13mm	8mm	6 mm	160,000	DIN 912, ISO 4762	000000000	00000

High-Strength A286 Stainless
Steel Button Head Torx Screws

A286 stainless steel screws have comparable strength to alloy steel with the corrosion and chemical resistance of 18-8 stainless steel. They have a Torx drive that has more points of contact than other drives, allowing you to tighten the screw without damaging the recess. For Torx tools, see Torx and Torx-Plus bits, keys, and drivers. Length is measured from under the head.

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

A286 Stainless Steel
Lg.	Threading	Head Dia.	Head Ht.	Drive Size	Tensile Strength, psi	Specifications Met		Each
4-40
3/16"	Fully Threaded	0.213"	0.059"	T10	130,000	ASME B18.3	000000000	00000
1/4"	Fully Threaded	0.213"	0.059"	T10	130,000	ASME B18.3	000000000	0000
3/8"	Fully Threaded	0.213"	0.059"	T10	130,000	ASME B18.3	000000000	0000
1/2"	Fully Threaded	0.213"	0.059"	T10	130,000	ASME B18.3	000000000	0000
3/4"	Fully Threaded	0.213"	0.059"	T10	130,000	ASME B18.3	000000000	0000
6-32
1/4"	Fully Threaded	0.262"	0.073"	T15	130,000	ASME B18.3	000000000	0000
3/8"	Fully Threaded	0.262"	0.073"	T15	130,000	ASME B18.3	000000000	0000
1/2"	Fully Threaded	0.262"	0.073"	T15	130,000	ASME B18.3	000000000	0000
3/4"	Fully Threaded	0.262"	0.073"	T15	130,000	ASME B18.3	000000000	0000
1"	Fully Threaded	0.262"	0.073"	T15	130,000	ASME B18.3	000000000	0000
8-32
1/4"	Fully Threaded	0.312"	0.087"	T20	130,000	ASME B18.3	000000000	0000
3/8"	Fully Threaded	0.312"	0.087"	T20	130,000	ASME B18.3	000000000	0000
1/2"	Fully Threaded	0.312"	0.087"	T20	130,000	ASME B18.3	000000000	0000
3/4"	Fully Threaded	0.312"	0.087"	T20	130,000	ASME B18.3	000000000	0000
1"	Fully Threaded	0.312"	0.087"	T20	130,000	ASME B18.3	000000000	0000
10-24
1/4"	Fully Threaded	0.361"	0.101"	T25	130,000	ASME B18.3	000000000	0000
3/8"	Fully Threaded	0.361"	0.101"	T25	130,000	ASME B18.3	000000000	0000
1/2"	Fully Threaded	0.361"	0.101"	T25	130,000	ASME B18.3	000000000	0000
3/4"	Fully Threaded	0.361"	0.101"	T25	130,000	ASME B18.3	000000000	00000
1"	Fully Threaded	0.361"	0.101"	T25	130,000	ASME B18.3	000000000	00000
10-32
1/4"	Fully Threaded	0.361"	0.101"	T25	130,000	ASME B18.3	000000000	0000
3/8"	Fully Threaded	0.361"	0.101"	T25	130,000	ASME B18.3	000000000	0000
1/2"	Fully Threaded	0.361"	0.101"	T25	130,000	ASME B18.3	000000000	0000
3/4"	Fully Threaded	0.361"	0.101"	T25	130,000	ASME B18.3	000000000	00000
1"	Fully Threaded	0.361"	0.101"	T25	130,000	ASME B18.3	000000000	00000
1/4"-20
3/8"	Fully Threaded	0.437"	0.132"	T30	130,000	ASME B18.3	000000000	0000
1/2"	Fully Threaded	0.437"	0.132"	T30	130,000	ASME B18.3	000000000	0000
3/4"	Fully Threaded	0.437"	0.132"	T30	130,000	ASME B18.3	000000000	00000
1"	Fully Threaded	0.437"	0.132"	T30	130,000	ASME B18.3	000000000	00000
1 1/2"	Fully Threaded	0.437"	0.132"	T30	130,000	ASME B18.3	000000000	00000

Metric High-Strength A286 Stainless
Steel Button Head Torx Screws

Made from A286 stainless steel, these screws provide the strength of alloy steel and the corrosion and chemical resistance of 18-8 stainless steel. They have a Torx drive that has more points of contact than other drives, allowing you to tighten the screw without damaging the recess. For Torx tools, see Torx and Torx-Plus bits, keys, and drivers. Length is measured from under the head.

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

A286 Stainless Steel
Lg., mm	Threading	Head Dia., mm	Head Ht., mm	Drive Size	Tensile Strength, psi		Each
M3 × 0.5 mm
5	Fully Threaded	5.70	1.65	T10	140,000	000000000	00000
6	Fully Threaded	5.70	1.65	T10	140,000	000000000	0000
8	Fully Threaded	5.70	1.65	T10	140,000	000000000	0000
10	Fully Threaded	5.70	1.65	T10	140,000	000000000	0000
12	Fully Threaded	5.70	1.65	T10	140,000	000000000	0000
M4 × 0.7 mm
6	Fully Threaded	7.60	2.20	T20	140,000	000000000	0000
8	Fully Threaded	7.60	2.20	T20	140,000	000000000	0000
10	Fully Threaded	7.60	2.20	T20	140,000	000000000	0000
12	Fully Threaded	7.60	2.20	T20	140,000	000000000	0000
16	Fully Threaded	7.60	2.20	T20	140,000	000000000	0000
M5 × 0.8 mm
8	Fully Threaded	9.50	2.75	T25	140,000	000000000	0000
10	Fully Threaded	9.50	2.75	T25	140,000	000000000	0000
12	Fully Threaded	9.50	2.75	T25	140,000	000000000	0000
16	Fully Threaded	9.50	2.75	T25	140,000	000000000	0000
20	Fully Threaded	9.50	2.75	T25	140,000	000000000	0000
M6 × 1 mm
10	Fully Threaded	10.50	3.30	T30	140,000	000000000	0000
12	Fully Threaded	10.50	3.30	T30	140,000	000000000	0000
16	Fully Threaded	10.50	3.30	T30	140,000	000000000	00000
20	Fully Threaded	10.50	3.30	T30	140,000	000000000	00000
25	Fully Threaded	10.50	3.30	T30	140,000	000000000	00000

High-Strength A286 Stainless Steel Torx Flat Head Screws

Torx

A286 stainless steel screws have comparable strength to alloy steel with the corrosion resistance of 18-8 stainless steel. A Torx drive has more points of contact than other drives, allowing you to tighten the screw without damaging the recess. For Torx tools, see Torx bits, keys, and drivers. These screws are angled under the head to sit flush within countersunk holes. Length is measured from the top of the head.

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

A286 Stainless Steel
Lg.	Threading	Head Dia.	Head Ht.	Drive Size	Tensile Strength, psi		Each
4-40
3/16"	Fully Threaded	0.255"	0.083"	T8	130,000	000000000	00000
1/4"	Fully Threaded	0.255"	0.083"	T8	130,000	000000000	0000
3/8"	Fully Threaded	0.255"	0.083"	T8	130,000	000000000	0000
1/2"	Fully Threaded	0.255"	0.083"	T8	130,000	000000000	0000
6-32
1/4"	Fully Threaded	0.307"	0.097"	T15	130,000	000000000	0000
3/8"	Fully Threaded	0.307"	0.097"	T15	130,000	000000000	0000
1/2"	Fully Threaded	0.307"	0.097"	T15	130,000	000000000	0000
3/4"	Fully Threaded	0.307"	0.097"	T15	130,000	000000000	0000
8-32
1/4"	Fully Threaded	0.359"	0.112"	T20	130,000	000000000	0000
3/8"	Fully Threaded	0.359"	0.112"	T20	130,000	000000000	0000
1/2"	Fully Threaded	0.359"	0.112"	T20	130,000	000000000	0000
3/4"	Fully Threaded	0.359"	0.112"	T20	130,000	000000000	0000
10-32
3/8"	Fully Threaded	0.411"	0.127"	T25	130,000	000000000	00000
1/2"	Fully Threaded	0.411"	0.127"	T25	130,000	000000000	00000
3/4"	Fully Threaded	0.411"	0.127"	T25	130,000	000000000	00000
1"	Fully Threaded	0.411"	0.127"	T25	130,000	000000000	00000
1/4"-20
1/2"	Fully Threaded	0.531"	0.161"	T30	130,000	000000000	00000
3/4"	Fully Threaded	0.531"	0.161"	T30	130,000	000000000	00000
1"	Fully Threaded	0.531"	0.161"	T30	130,000	000000000	00000
1 1/2"	Fully Threaded	0.531"	0.161"	T30	130,000	000000000	00000

Metric High-Strength A286 Stainless
Steel Torx Flat Head Screws

Torx

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

A286 Stainless Steel
Lg., mm	Threading	Head Dia., mm	Head Ht., mm	Drive Size	Tensile Strength, psi		Each
M3 × 0.5 mm
5	Fully Threaded	6.4	2.1	T8	130,000	000000000	00000
6	Fully Threaded	6.4	2.1	T8	130,000	000000000	0000
8	Fully Threaded	6.4	2.1	T8	130,000	000000000	0000
10	Fully Threaded	6.4	2.1	T8	130,000	000000000	0000
12	Fully Threaded	6.4	2.1	T8	130,000	000000000	0000
M4 × 0.7 mm
6	Fully Threaded	9.1	2.8	T20	130,000	000000000	0000
8	Fully Threaded	9.1	2.8	T20	130,000	000000000	0000
10	Fully Threaded	9.1	2.8	T20	130,000	000000000	0000
12	Fully Threaded	9.1	2.8	T20	130,000	000000000	0000
16	Fully Threaded	9.1	2.8	T20	130,000	000000000	0000
M5 × 0.8 mm
8	Fully Threaded	10.2	3.2	T25	130,000	000000000	0000
10	Fully Threaded	10.2	3.2	T25	130,000	000000000	00000
12	Fully Threaded	10.2	3.2	T25	130,000	000000000	00000
16	Fully Threaded	10.2	3.2	T25	130,000	000000000	00000
20	Fully Threaded	10.2	3.2	T25	130,000	000000000	00000
M6 × 1 mm
12	Fully Threaded	13.4	4.1	T30	130,000	000000000	00000
16	Fully Threaded	13.4	4.1	T30	130,000	000000000	00000
20	Fully Threaded	13.4	4.1	T30	130,000	000000000	00000
25	Fully Threaded	13.4	4.1	T30	130,000	000000000	00000
30	Fully Threaded	13.4	4.1	T30	130,000	000000000	00000
M8 × 1.25 mm
16	Fully Threaded	16.5	5	T40	130,000	000000000	00000
20	Fully Threaded	16.5	5	T40	130,000	000000000	00000
25	Fully Threaded	16.5	5	T40	130,000	000000000	00000
30	Fully Threaded	16.5	5	T40	130,000	000000000	00000

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High-Strength A286 Stainless Steel Socket Head Screws

High-Strength A286 StainlessSteel Button Head Torx Screws

Metric High-Strength A286 StainlessSteel Button Head Torx Screws

High-Strength A286 Stainless Steel Torx Flat Head Screws

Metric High-Strength A286 StainlessSteel Torx Flat Head Screws

High-Strength A286 Stainless
Steel Button Head Torx Screws

Metric High-Strength A286 Stainless
Steel Button Head Torx Screws

Metric High-Strength A286 Stainless
Steel Torx Flat Head Screws