DIN 316 Thumb Screws | McMaster-Carr

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70 Products

Stainless Steel Wing Thumb Screws

Corrosion resistant with a wing shape that's easy to grab. These thumb screws offer more leverage than spade-head thumb screws. Use these screws to fasten panels and covers that need frequent access.

Length is measured from under the head.

18-8 Stainless Steel—The choice for wet and outdoor environments, these screws resist rust. However, they won't hold up to the harsh chemicals that 316 stainless steel can.

		Head, mm
	Lg., mm	Dia.	Wd.	Ht.	Threading	Tensile Strength	Specs. Met		Each
18-8 Stainless Steel







				M3 × 0.5 mm

				12	8	17.6	8.6	Fully Threaded	Not Rated	DIN 316	000000000	00000


				20	8	17.6	8.6	Fully Threaded	Not Rated	DIN 316	000000000	0000
				30	8	17.6	8.6	Fully Threaded	Not Rated	DIN 316	000000000	0000




						M4 × 0.7 mm

						10	8	23	11.5	Fully Threaded	Not Rated	DIN 316	000000000	0000


						12	8	23	11.5	Fully Threaded	Not Rated	DIN 316	000000000	0000
						16	8	23	11.5	Fully Threaded	Not Rated	DIN 316	000000000	0000
						20	8	23	11.5	Fully Threaded	Not Rated	DIN 316	000000000	0000
						25	8	23	11.5	Fully Threaded	Not Rated	DIN 316	000000000	0000
						30	8	23	11.5	Fully Threaded	Not Rated	DIN 316	000000000	0000
						35	8	23	11.5	Fully Threaded	Not Rated	DIN 316	000000000	0000




								M5 × 0.8 mm

								10	11	23	11.5	Fully Threaded	Not Rated	DIN 316	000000000	0000


								12	11	23	11.5	Fully Threaded	Not Rated	DIN 316	000000000	0000
								16	11	23	11.5	Fully Threaded	Not Rated	DIN 316	000000000	0000
								20	11	23	11.5	Fully Threaded	Not Rated	DIN 316	000000000	0000
								25	11	23	11.5	Fully Threaded	Not Rated	DIN 316	000000000	0000
								30	11	23	11.5	Fully Threaded	Not Rated	DIN 316	000000000	0000
								35	11	23	11.5	Fully Threaded	Not Rated	DIN 316	000000000	0000
								50	11	23	11.5	Fully Threaded	Not Rated	DIN 316	000000000	0000




										M6 × 1 mm

										10	13	28	14	Fully Threaded	Not Rated	DIN 316	000000000	0000


										12	13	28	14	Fully Threaded	Not Rated	DIN 316	000000000	0000
										16	13	28	14	Fully Threaded	Not Rated	DIN 316	000000000	0000
										20	13	28	14	Fully Threaded	Not Rated	DIN 316	000000000	0000
										25	13	28	14	Fully Threaded	Not Rated	DIN 316	000000000	0000
										30	13	28	14	Fully Threaded	Not Rated	DIN 316	000000000	0000
										35	13	28	14	Fully Threaded	Not Rated	DIN 316	000000000	0000
										40	13	28	14	Fully Threaded	Not Rated	DIN 316	000000000	0000
										50	13	28	14	Fully Threaded	Not Rated	DIN 316	000000000	0000




										M8 × 1.25 mm

										16	16	31	16	Fully Threaded	Not Rated	DIN 316	000000000	0000


		20	16							31	16	Fully Threaded	Not Rated	DIN 316	000000000	0000
		25	16							31	16	Fully Threaded	Not Rated	DIN 316	000000000	0000
		30	16							31	16	Fully Threaded	Not Rated	DIN 316	000000000	0000
		35	16							31	16	Fully Threaded	Not Rated	DIN 316	000000000	0000
		40	16							31	16	Fully Threaded	Not Rated	DIN 316	000000000	0000
		50	16							31	16	Fully Threaded	Not Rated	DIN 316	000000000	0000




				M10 × 1.5 mm

				20	20					37	18	Fully Threaded	Not Rated	DIN 316	000000000	00000


				25	20					37	18	Fully Threaded	Not Rated	DIN 316	000000000	0000
				30	20					37	18	Fully Threaded	Not Rated	DIN 316	000000000	00000
				35	20					37	18	Fully Threaded	Not Rated	DIN 316	000000000	00000
				40	20					37	18	Fully Threaded	Not Rated	DIN 316	000000000	00000
				50	20					37	18	Fully Threaded	Not Rated	DIN 316	000000000	00000
				60	20					37	18	Fully Threaded	Not Rated	DIN 316	000000000	00000




						M12 × 1.75 mm

						35	23			50	24	Fully Threaded	Not Rated	DIN 316	000000000	00000


						50	23			50	24	Fully Threaded	Not Rated	DIN 316	000000000	00000

Steel and Iron Wing Thumb Screws

The wing shape on these thumb screws offers more leverage than spade head thumb screws. Use these screws to fasten panels and covers that need frequent access. They are best for areas with occasional exposure to moisture.

Length is measured from under the head.

			Head, mm
	Style	Lg., mm	Dia.	Wd.	Ht.	Threading	Tensile Strength	Specs. Met		Each
Zinc-Plated Iron







				M4 × 0.7 mm

				3	8	8	20	10.5	Fully Threaded	Not Rated	DIN 316	000000000	00000


				3	10	8	20	10.5	Fully Threaded	Not Rated	DIN 316	000000000	0000
				3	16	8	20	10.5	Fully Threaded	Not Rated	DIN 316	000000000	0000
				3	20	8	20	10.5	Fully Threaded	Not Rated	DIN 316	000000000	0000
				3	40	8	20	10.5	Fully Threaded	Not Rated	DIN 316	000000000	0000




						M5 × 0.8 mm

						3	10	11	26	13	Fully Threaded	Not Rated	DIN 316	000000000	0000


						3	12	11	26	13	Fully Threaded	Not Rated	DIN 316	000000000	0000
						3	16	11	26	13	Fully Threaded	Not Rated	DIN 316	000000000	0000
						3	20	11	26	13	Fully Threaded	Not Rated	DIN 316	000000000	0000
						3	25	11	26	13	Fully Threaded	Not Rated	DIN 316	000000000	0000
						3	40	11	26	13	Fully Threaded	Not Rated	DIN 316	000000000	0000




								M6 × 1 mm

								3	10	13	33	17	Fully Threaded	Not Rated	DIN 316	000000000	0000


								3	12	13	33	17	Fully Threaded	Not Rated	DIN 316	000000000	0000
								3	16	13	33	17	Fully Threaded	Not Rated	DIN 316	000000000	0000
								3	20	13	33	17	Fully Threaded	Not Rated	DIN 316	000000000	0000
								3	25	13	33	17	Fully Threaded	Not Rated	DIN 316	000000000	0000
								3	30	13	33	17	Fully Threaded	Not Rated	DIN 316	000000000	0000
								3	50	13	33	17	Fully Threaded	Not Rated	DIN 316	000000000	0000
								3	60	13	33	17	Fully Threaded	Not Rated	DIN 316	000000000	0000




										M8 × 1.25 mm

										3	12	16	39	20	Fully Threaded	Not Rated	DIN 316	000000000	0000


										3	16	16	39	20	Fully Threaded	Not Rated	DIN 316	000000000	0000
										3	20	16	39	20	Fully Threaded	Not Rated	DIN 316	000000000	0000
										3	25	16	39	20	Fully Threaded	Not Rated	DIN 316	000000000	0000
										3	30	16	39	20	Fully Threaded	Not Rated	DIN 316	000000000	0000
										3	40	16	39	20	Fully Threaded	Not Rated	DIN 316	000000000	0000
										3	50	16	39	20	Fully Threaded	Not Rated	DIN 316	000000000	0000
										3	80	16	39	20	Fully Threaded	Not Rated	DIN 316	000000000	0000