ISO 898-1 Socket Head Screws

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100,000 psi or greater

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Rockwell C41

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13 Products

Steel Socket Head Screws

Partially Threaded

Made of alloy steel, these screws are the standard for high-strength fastening. Use them in high-load applications such as dies, presses, and heavy equipment. The deep, six-point socket keeps the hex key from slipping out and damaging the drive.

Length is measured from under the head.

Black-Oxide Alloy Steel—Typically chosen for their appearance, these screws have a dark, matte coating to create a finished look. They offer minimal corrosion resistance, so they're best for dry environments.

		Head, mm
	Lg., mm	Dia.	Ht.	Threading	Thread Spacing	Tensile Strength, psi	Fastener Strength Grade/Class	Specs. Met	Pkg. Qty.		Pkg.
Black-Oxide Alloy Steel







				M8 × 1.25 mm

				95	13	8	Partially Threaded	Coarse	170,000	Class 12.9	DIN 912, ISO 898-1, ISO 4762	10	91290A362	000000


				170	13	8	Partially Threaded	Coarse	170,000	Class 12.9	DIN 912, ISO 898-1, ISO 4762	5	91290A363	00000




						M10 × 1.5 mm

						95	16	10	Partially Threaded	Coarse	170,000	Class 12.9	DIN 912, ISO 898-1, ISO 4762	10	91290A364	00000


						170	16	10	Partially Threaded	Coarse	170,000	Class 12.9	DIN 912, ISO 898-1, ISO 4762	5	91290A365	00000
						190	16	10	Partially Threaded	Coarse	170,000	Class 12.9	DIN 912, ISO 898-1, ISO 4762	1	91290A366	0000




								M12 × 1.75 mm

								95	18	12	Partially Threaded	Coarse	170,000	Class 12.9	DIN 912, ISO 898-1, ISO 4762	5	91290A367	00000


								170	18	12	Partially Threaded	Coarse	170,000	Class 12.9	DIN 912, ISO 898-1, ISO 4762	1	91290A368	0000
								190	18	12	Partially Threaded	Coarse	170,000	Class 12.9	DIN 912, ISO 898-1, ISO 4762	1	91290A369	0000
								210	18	12	Partially Threaded	Coarse	170,000	Class 12.9	DIN 912, ISO 898-1, ISO 4762	1	91290A371	0000




										M16 × 2 mm

										95	24	16	Partially Threaded	Coarse	170,000	Class 12.9	DIN 912, ISO 898-1, ISO 4762	1	91290A372	0000


										170	24	16	Partially Threaded	Coarse	170,000	Class 12.9	DIN 912, ISO 898-1, ISO 4762	1	91290A373	0000
										190	24	16	Partially Threaded	Coarse	170,000	Class 12.9	DIN 912, ISO 898-1, ISO 4762	1	91290A374	0000
										210	24	16	Partially Threaded	Coarse	170,000	Class 12.9	DIN 912, ISO 898-1, ISO 4762	1	91290A375	0000