Nitronic 60 Stainless Steel Hex Head Screws

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Length

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Tensile Strength

Less than 100,000 psi

Hardness

Rockwell B100

REACH

Compliant

RoHS

Compliant

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Export Control Classification Number (ECCN)

EAR99

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Metric Class 6g

Unified Standard Class 2A

DFARS Specialty Metals

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Material Certificate with Traceable Lot Number

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36 Products

About Hex Head Screws and Bolts

Choose a hex head fastener with the right threading, thread size, material, and strength for your equipment.

Nitronic 60 Stainless Steel Hex Head Screws for Particle-Free Environments

Made of Nitronic 60 stainless steel, these screws have a slippery surface that keeps them from sticking or binding during installation. Often used in clean rooms, they thread smoothly without coatings or lubricants that could contaminate particle-free environments. These screws also resist corrosion from mild chemicals and salt water. To maintain their friction and corrosion resistance, use them with Nitronic 60 stainless steel nuts (sold separately) and washers. All screws meet ASME or ISO (formerly DIN) specifications for dimensions. Length is measured from under the head.

Screws
			Head						Nuts
Lg.	Threading	Thread Spacing	Wd.	Ht.	Tensile Strength, psi	Specifications Met		Each	Pkg. Qty.		Pkg.
1/4"-20
1/2"	Fully Threaded	Coarse	7/16"	5/32"	95,000	ASME B18.2.1	91636A111	00000	1	91551A121	00000
3/4"	Fully Threaded	Coarse	7/16"	5/32"	95,000	ASME B18.2.1	91636A112	00000	1	91551A121	0000
1"	Fully Threaded	Coarse	7/16"	5/32"	95,000	ASME B18.2.1	91636A113	00000	1	91551A121	0000
1 1/2"	Fully Threaded	Coarse	7/16"	5/32"	95,000	ASME B18.2.1	91636A114	00000	1	91551A121	0000
2"	Fully Threaded	Coarse	7/16"	5/32"	95,000	ASME B18.2.1	91636A115	00000	1	91551A121	0000
3/8"-16
1"	Fully Threaded	Coarse	9/16"	15/64"	95,000	ASME B18.2.1	91636A116	00000	1	91551A122	0000
1 1/2"	Fully Threaded	Coarse	9/16"	15/64"	95,000	ASME B18.2.1	91636A117	00000	1	91551A122	0000
2"	Fully Threaded	Coarse	9/16"	15/64"	95,000	ASME B18.2.1	91636A118	00000	1	91551A122	0000
2 1/2"	Fully Threaded	Coarse	9/16"	15/64"	95,000	ASME B18.2.1	91636A119	00000	1	91551A122	0000
3"	Fully Threaded	Coarse	9/16"	15/64"	95,000	ASME B18.2.1	91636A121	00000	1	91551A122	0000
3 1/2"	Fully Threaded	Coarse	9/16"	15/64"	95,000	ASME B18.2.1	91636A122	00000	1	91551A122	0000
1/2"-13
1"	Fully Threaded	Coarse	3/4"	5/16"	95,000	ASME B18.2.1	91636A123	00000	1	91551A124	0000
1 1/2"	Fully Threaded	Coarse	3/4"	5/16"	95,000	ASME B18.2.1	91636A124	00000	1	91551A124	0000
2"	Fully Threaded	Coarse	3/4"	5/16"	95,000	ASME B18.2.1	91636A125	00000	1	91551A124	0000
2 1/2"	Fully Threaded	Coarse	3/4"	5/16"	95,000	ASME B18.2.1	91636A126	00000	1	91551A124	0000
3"	Fully Threaded	Coarse	3/4"	5/16"	95,000	ASME B18.2.1	91636A127	00000	1	91551A124	0000
3 1/2"	Fully Threaded	Coarse	3/4"	5/16"	95,000	ASME B18.2.1	91636A128	00000	1	91551A124	0000
4"	Fully Threaded	Coarse	3/4"	5/16"	95,000	ASME B18.2.1	91636A129	00000	1	91551A124	0000
M6 × 1 mm
12mm	Fully Threaded	Coarse	10mm	4mm	95,000	ISO 4017, DIN 933	91636A131	0000	1	91551A621	0000
16mm	Fully Threaded	Coarse	10mm	4mm	95,000	ISO 4017, DIN 933	91636A132	00000	1	91551A621	0000
20mm	Fully Threaded	Coarse	10mm	4mm	95,000	ISO 4017, DIN 933	91636A133	00000	1	91551A621	0000
25mm	Fully Threaded	Coarse	10mm	4mm	95,000	ISO 4017, DIN 933	91636A134	00000	1	91551A621	0000
30mm	Fully Threaded	Coarse	10mm	4mm	95,000	ISO 4017, DIN 933	91636A135	00000	1	91551A621	0000
35mm	Fully Threaded	Coarse	10mm	4mm	95,000	ISO 4017, DIN 933	91636A136	00000	1	91551A621	0000
40mm	Fully Threaded	Coarse	10mm	4mm	95,000	ISO 4017, DIN 933	91636A137	00000	1	91551A621	0000
M8 × 1.25 mm
16mm	Fully Threaded	Coarse	13mm	5.3mm	95,000	ISO 4017, DIN 933	91636A138	00000	1	91551A622	0000
20mm	Fully Threaded	Coarse	13mm	5.3mm	95,000	ISO 4017, DIN 933	91636A139	00000	1	91551A622	0000
25mm	Fully Threaded	Coarse	13mm	5.3mm	95,000	ISO 4017, DIN 933	91636A141	00000	1	91551A622	0000
30mm	Fully Threaded	Coarse	13mm	5.3mm	95,000	ISO 4017, DIN 933	91636A142	00000	1	91551A622	0000
35mm	Fully Threaded	Coarse	13mm	5.3mm	95,000	ISO 4017, DIN 933	91636A143	00000	1	91551A622	0000
40mm	Fully Threaded	Coarse	13mm	5.3mm	95,000	ISO 4017, DIN 933	91636A144	00000	1	91551A622	0000