DIN 561B Set Screws | McMaster-Carr

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

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35 Products

External-Hex-Drive Steel Extended-Tip Set Screws

With six contact points, the external hex drive withstands more torque than external square drives without damaging the drive. Like a dowel pin, the tip slides into mating holes to locate and hold components on shafts, tubing, and other surfaces. The hard steel body stands up to wear and tear, but they're best for dry environments where they won't rust. Also known as half dog-point set screws.

		Tip, mm		Head, mm
	Lg., mm	Dia.	Lg.	Wd.	Ht.	Tensile Strength, psi	Fastener Strength Grade/Class	Hardness	Specs. Met	Pkg. Qty.		Pkg.
Steel







				M6 × 1 mm

				12	4	3.25	8	5	110,000	Class 8.8	Rockwell C20	DIN 561B	10	3638N111	00000


				16	4	3.25	8	5	110,000	Class 8.8	Rockwell C20	DIN 561B	10	3638N112	0000
				20	4	3.25	8	5	110,000	Class 8.8	Rockwell C20	DIN 561B	10	3638N113	00000
				25	4	3.25	8	5	110,000	Class 8.8	Rockwell C20	DIN 561B	10	3638N114	00000
				30	4	3.25	8	5	110,000	Class 8.8	Rockwell C20	DIN 561B	10	3638N115	00000




						M8 × 1.25 mm

						16	5.5	4.3	10	6	110,000	Class 8.8	Rockwell C20	DIN 561B	10	3638N116	00000


						20	5.5	4.3	10	6	110,000	Class 8.8	Rockwell C20	DIN 561B	10	3638N117	00000
						25	5.5	4.3	10	6	110,000	Class 8.8	Rockwell C20	DIN 561B	5	3638N118	0000
						30	5.5	4.3	10	6	110,000	Class 8.8	Rockwell C20	DIN 561B	5	3638N119	0000
						35	5.5	4.3	10	6	110,000	Class 8.8	Rockwell C20	DIN 561B	5	3638N121	0000
						40	5.5	4.3	10	6	110,000	Class 8.8	Rockwell C20	DIN 561B	5	3638N122	0000




								M10 × 1.5 mm

								20	7	5.3	13	7	110,000	Class 8.8	Rockwell C20	DIN 561B	5	3638N123	00000


								25	7	5.3	13	7	110,000	Class 8.8	Rockwell C20	DIN 561B	5	3638N124	0000
								30	7	5.3	13	7	110,000	Class 8.8	Rockwell C20	DIN 561B	5	3638N125	00000
								35	7	5.3	13	7	110,000	Class 8.8	Rockwell C20	DIN 561B	5	3638N126	00000
								40	7	5.3	13	7	110,000	Class 8.8	Rockwell C20	DIN 561B	5	3638N127	00000
								50	7	5.3	13	7	110,000	Class 8.8	Rockwell C20	DIN 561B	1	3638N128	0000
								60	7	5.3	13	7	110,000	Class 8.8	Rockwell C20	DIN 561B	1	3638N129	0000




										M12 × 1.75 mm

										25	8.5	6.3	16	9	110,000	Class 8.8	Rockwell C20	DIN 561B	1	3638N131	0000


										30	8.5	6.3	16	9	110,000	Class 8.8	Rockwell C20	DIN 561B	1	3638N132	0000
										40	8.5	6.3	16	9	110,000	Class 8.8	Rockwell C20	DIN 561B	1	3638N133	0000
										50	8.5	6.3	16	9	110,000	Class 8.8	Rockwell C20	DIN 561B	1	3638N134	0000
										60	8.5	6.3	16	9	110,000	Class 8.8	Rockwell C20	DIN 561B	1	3638N135	0000
										70	8.5	6.3	16	9	110,000	Class 8.8	Rockwell C20	DIN 561B	1	3638N136	0000
										80	8.5	6.3	16	9	110,000	Class 8.8	Rockwell C20	DIN 561B	1	3638N137	0000
										90	8.5	6.3	16	9	110,000	Class 8.8	Rockwell C20	DIN 561B	1	3638N138	0000
										100	8.5	6.3	16	9	110,000	Class 8.8	Rockwell C20	DIN 561B	1	3638N139	0000
										120	8.5	6.3	16	9	110,000	Class 8.8	Rockwell C20	DIN 561B	1	3638N141	00000




										M16 × 2 mm

		30								12	8.36	18	11	110,000	Class 8.8	Rockwell C20	DIN 561B	1	3638N142	0000


		40	12							8.36	18	11	110,000	Class 8.8	Rockwell C20	DIN 561B	1	3638N143	0000
		50	12							8.36	18	11	110,000	Class 8.8	Rockwell C20	DIN 561B	1	3638N144	0000
		60	12							8.36	18	11	110,000	Class 8.8	Rockwell C20	DIN 561B	1	3638N145	00000
		70	12							8.36	18	11	110,000	Class 8.8	Rockwell C20	DIN 561B	1	3638N146	0000
		100	12							8.36	18	11	110,000	Class 8.8	Rockwell C20	DIN 561B	1	3638N147	00000
		120	12							8.36	18	11	110,000	Class 8.8	Rockwell C20	DIN 561B	1	3638N148	00000