DIN 653 Thumb Screws | McMaster-Carr

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

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60,000 psi to 79,999 psi

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22 Products

Steel Knurled-Head Thumb Screws

Fasten panels and covers by hand. The knurled texture of the head creates extra grip as you twist.

Length is measured from under the head.

Black-Oxide 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	Tensile Strength, psi	Specs. Met		Each
Black-Oxide Steel







				M3 × 0.5 mm

				6	12	2.5	Fully Threaded	70,000	DIN 653	92552A411	00000


				10	12	2.5	Fully Threaded	70,000	DIN 653	92552A414	0000
				16	12	2.5	Fully Threaded	70,000	DIN 653	92552A418	0000




						M4 × 0.7 mm

						8	16	3.5	Fully Threaded	70,000	DIN 653	92552A423	0000


						10	16	3.5	Fully Threaded	70,000	DIN 653	92552A426	0000
						12	16	3.5	Fully Threaded	70,000	DIN 653	92552A429	0000
						16	16	3.5	Fully Threaded	70,000	DIN 653	92552A431	0000
						20	16	3.5	Fully Threaded	70,000	DIN 653	92552A434	0000




								M5 × 0.8 mm

								10	20	4	Fully Threaded	70,000	DIN 653	92552A438	0000


								12	20	4	Fully Threaded	70,000	DIN 653	92552A442	0000
								16	20	4	Fully Threaded	70,000	DIN 653	92552A445	0000
								20	20	4	Fully Threaded	70,000	DIN 653	92552A447	0000




										M6 × 1 mm

										12	24	5	Fully Threaded	70,000	DIN 653	92552A453	0000


										16	24	5	Fully Threaded	70,000	DIN 653	92552A456	0000
										20	24	5	Fully Threaded	70,000	DIN 653	92552A459	0000
										30	24	5	Fully Threaded	70,000	DIN 653	92552A462	0000
										40	24	5	Fully Threaded	70,000	DIN 653	92552A465	0000




												M8 × 1.25 mm

												16	30	6	Fully Threaded	70,000	DIN 653	92552A471	0000


												20	30	6	Fully Threaded	70,000	DIN 653	92552A474	0000
												25	30	6	Fully Threaded	70,000	DIN 653	92552A478	0000
												30	30	6	Fully Threaded	70,000	DIN 653	92552A482	0000
40												30	6	Fully Threaded	70,000	DIN 653	92552A484	0000