DIN 1 Dowel Pins | McMaster-Carr

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Taper Pins

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Shaft Type

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Rate of Taper

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Hardness

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

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Rockwell B52

Rockwell B85

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Export Control Classification Number (ECCN)

EAR99

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Taper Pins

Often used for positioning components and securing assemblies, these pins taper at a uniform rate to fit snugly in tapered holes. They have slightly rounded edges to aid insertion. To install, create a tapered hole using a tapered drill bit that matches the pin number for inch sizes or the small end diameter for metric. To remove, hit the small end of the pin with a punch to drive it out.

Metric

Metric pins meet DIN 1 specifications.

Carbon Steel—Carbon steel pins have good strength.

Breaking Strength—Breaking strength is measured as single shear, which is the force required to break the pin into two pieces.

						Carbon Steel				303 Stainless Steel
	Lg., mm	Large End Dia., mm	Rate of Taper	Min. Hardness	Specs. Met	Breaking Strength	Pkg. Qty.		Pkg.	Breaking Strength	Pkg. Qty.		Pkg.
1.5 mm Small End Diameter



		10	1.7	1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	5	90681A511	00000


		12	1.8	1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	5	90681A512	0000


		2 mm Small End Diameter



				10	2.2	1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	5	90681A513	0000


				16	2.3	1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	5	90681A514	0000
				20	2.4	1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	5	90681A515	0000
				24	2.5	1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	5	90681A516	0000
				30	2.6	1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	5	90681A517	00000


				2.5 mm Small End Diameter



						16	2.8	1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	5	90681A518	0000


						20	2.9	1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	5	90681A519	0000
						30	3.1	1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	5	90681A521	00000


						3 mm Small End Diameter



								16	3.3	1:50	Rockwell B52	DIN 1	Not Rated	25	98445A311	000000	—	—	———	0


								16	3.3	1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	5	90681A522	0000
								20	3.4	1:50	Rockwell B52	DIN 1	Not Rated	25	98445A313	00000	—	—	———	0
								20	3.4	1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	5	90681A523	0000
								24	3.5	1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	5	90681A524	00000
								32	3.6	1:50	Rockwell B52	DIN 1	Not Rated	10	98445A318	0000	—	—	———	0
								32	3.6	1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	1	90681A525	0000
								36	3.7	1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	1	90681A526	0000
								40	3.8	1:50	Rockwell B52	DIN 1	Not Rated	10	98445A320	0000	—	—	———	0
								40	3.8	1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	1	90681A527	0000
								50	4	1:50	Rockwell B52	DIN 1	Not Rated	10	98445A324	00000	—	—	———	0


								50	4	1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	1	90681A528	0000
								60	4.2	1:50	Rockwell B52	DIN 1	Not Rated	10	98445A328	00000	—	—	———	0


								4 mm Small End Diameter



										16	4.3	1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	5	90681A529	00000


										20	4.4	1:50	Rockwell B52	DIN 1	Not Rated	10	98445A414	0000	—	—	———	0
20										4.4	1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	1	90681A531	0000
24	4.5									1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	1	90681A532	0000
26	4.5									1:50	Rockwell B52	DIN 1	Not Rated	10	98445A415	0000	—	—	———	0
30	4.6									1:50	Rockwell B52	DIN 1	Not Rated	10	98445A417	0000	—	—	———	0
30	4.6									1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	1	90681A533	0000
36	4.7									1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	1	90681A534	0000
40	4.8									1:50	Rockwell B52	DIN 1	Not Rated	10	98445A420	0000	—	—	———	0
40	4.8									1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	1	90681A535	0000
45	4.9									1:50	Rockwell B52	DIN 1	Not Rated	10	98445A422	00000	—	—	———	0


45	4.9	1:50	Rockwell B85							DIN 1	—	—	———	0	Not Rated	1	90681A536	0000
50	5	1:50	Rockwell B52							DIN 1	Not Rated	10	98445A424	00000	—	—	———	0
50	5	1:50	Rockwell B85							DIN 1	—	—	———	0	Not Rated	1	90681A537	0000
60	5.2	1:50	Rockwell B52							DIN 1	Not Rated	5	98445A428	0000	—	—	———	0
60	5.2	1:50	Rockwell B85							DIN 1	—	—	———	0	Not Rated	1	90681A538	0000


5 mm Small End Diameter



		20	5.4							1:50	Rockwell B52	DIN 1	Not Rated	10	98445A513	0000	—	—	———	0


		20	5.4	1:50	Rockwell B85					DIN 1	—	—	———	0	Not Rated	1	90681A539	0000
		26	5.5	1:50	Rockwell B52					DIN 1	Not Rated	10	98445A515	0000	—	—	———	0
		26	5.5	1:50	Rockwell B85					DIN 1	—	—	———	0	Not Rated	1	90681A541	0000
		30	5.6	1:50	Rockwell B52					DIN 1	Not Rated	10	98445A517	00000	—	—	———	0
		30	5.6	1:50	Rockwell B85					DIN 1	—	—	———	0	Not Rated	1	90681A542	0000
		36	5.7	1:50	Rockwell B85					DIN 1	—	—	———	0	Not Rated	1	90681A543	0000
		40	5.8	1:50	Rockwell B52					DIN 1	Not Rated	5	98445A520	0000	—	—	———	0
		40	5.8	1:50	Rockwell B85					DIN 1	—	—	———	0	Not Rated	1	90681A544	0000
		45	5.9	1:50	Rockwell B52					DIN 1	Not Rated	5	98445A522	0000	—	—	———	0
		45	5.9	1:50	Rockwell B85					DIN 1	—	—	———	0	Not Rated	1	90681A545	0000


		50	6	1:50	Rockwell B52	DIN 1	Not Rated			5	98445A524	0000	—	—	———	0
		50	6	1:50	Rockwell B85	DIN 1	—			—	———	0	Not Rated	1	90681A546	0000
		55	6.1	1:50	Rockwell B52	DIN 1	Not Rated			5	98445A526	0000	—	—	———	0
		60	6.2	1:50	Rockwell B52	DIN 1	Not Rated			5	98445A528	00000	—	—	———	0
		60	6.2	1:50	Rockwell B85	DIN 1	—			—	———	0	Not Rated	1	90681A547	0000
		70	6.4	1:50	Rockwell B85	DIN 1	—			—	———	0	Not Rated	1	90681A548	00000


		6 mm Small End Diameter



				20	6.4	1:50	Rockwell B52			DIN 1	Not Rated	25	98445A613	00000	—	—	———	0


				20	6.4	1:50	Rockwell B85			DIN 1	—	—	———	0	Not Rated	1	90681A549	0000
				26	6.5	1:50	Rockwell B52			DIN 1	Not Rated	10	98445A615	00000	—	—	———	0
				30	6.6	1:50	Rockwell B52			DIN 1	Not Rated	10	98445A617	0000	—	—	———	0
				30	6.6	1:50	Rockwell B85			DIN 1	—	—	———	0	Not Rated	1	90681A551	0000
				36	6.7	1:50	Rockwell B85			DIN 1	—	—	———	0	Not Rated	1	90681A552	0000
				40	6.8	1:50	Rockwell B52			DIN 1	Not Rated	10	98445A620	00000	—	—	———	0
				40	6.8	1:50	Rockwell B85			DIN 1	—	—	———	0	Not Rated	1	90681A553	0000
				45	6.9	1:50	Rockwell B52	DIN 1		Not Rated	5	98445A622	0000	—	—	———	0
				45	6.9	1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	1	90681A554	0000
				50	7	1:50	Rockwell B52	DIN 1	Not Rated	10	98445A624	00000	—	—	———	0


				50	7	1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	1	90681A555	0000
				55	7.1	1:50	Rockwell B52	DIN 1	Not Rated	5	98445A626	0000	—	—	———	0
				55	7.1	1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	1	90681A556	0000
				60	7.2	1:50	Rockwell B52	DIN 1	Not Rated	10	98445A628	00000	—	—	———	0
				60	7.2	1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	1	90681A557	0000
				70	7.4	1:50	Rockwell B52	DIN 1	Not Rated	5	98445A632	00000	—	—	———	0
				70	7.4	1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	1	90681A558	00000
				80	7.6	1:50	Rockwell B52	DIN 1	Not Rated	5	98445A636	00000	—	—	———	0
				80	7.6	1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	1	90681A559	00000


				8 mm Small End Diameter



						26	8.5	1:50	Rockwell B52	DIN 1	Not Rated	5	98445A715	0000	—	—	———	0


						30	8.6	1:50	Rockwell B52	DIN 1	Not Rated	5	98445A717	0000	—	—	———	0
30						8.6	1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	1	90681A561	0000
36	8.7					1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	1	90681A562	0000
40	8.8					1:50	Rockwell B52	DIN 1	Not Rated	5	98445A720	0000	—	—	———	0
40	8.8					1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	1	90681A563	0000
45	8.9					1:50	Rockwell B52	DIN 1	Not Rated	5	98445A722	0000	—	—	———	0
45	8.9					1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	1	90681A564	0000
50	9					1:50	Rockwell B52	DIN 1	Not Rated	5	98445A724	00000	—	—	———	0
50	9					1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	1	90681A565	0000
55	9.1					1:50	Rockwell B52	DIN 1	Not Rated	5	98445A726	00000	—	—	———	0


55	9.1					1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	1	90681A566	0000
60	9.2					1:50	Rockwell B52	DIN 1	Not Rated	5	98445A728	0000	—	—	———	0
60	9.2					1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	1	90681A567	00000
70	9.4					1:50	Rockwell B52	DIN 1	Not Rated	1	98445A732	0000	—	—	———	0
70	9.4					1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	1	90681A568	00000
80	9.6					1:50	Rockwell B52	DIN 1	Not Rated	1	98445A736	0000	—	—	———	0
80	9.6					1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	1	90681A569	00000
100	10					1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	1	90681A571	00000


10 mm Small End Diameter



						30	10.6	1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	1	90681A572	0000


		40				10.8	1:50	Rockwell B52	DIN 1	Not Rated	5	98445A820	0000	—	—	———	0
		40	10.8			1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	1	90681A573	0000
		45	10.9			1:50	Rockwell B52	DIN 1	Not Rated	5	98445A822	00000	—	—	———	0
		45	10.9			1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	1	90681A574	00000
		50	11			1:50	Rockwell B52	DIN 1	Not Rated	5	98445A824	00000	—	—	———	0
		50	11			1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	1	90681A575	00000
		55	11.1			1:50	Rockwell B52	DIN 1	Not Rated	1	98445A826	0000	—	—	———	0
		55	11.1			1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	1	90681A576	00000
		60	11.2			1:50	Rockwell B52	DIN 1	Not Rated	1	98445A828	0000	—	—	———	0
		60	11.2			1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	1	90681A577	00000


		70	11.4			1:50	Rockwell B52	DIN 1	Not Rated	1	98445A832	0000	—	—	———	0
		70	11.4			1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	1	90681A578	00000
		80	11.6			1:50	Rockwell B52	DIN 1	Not Rated	1	98445A836	0000	—	—	———	0
		100	12			1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	1	90681A579	00000


		12 mm Small End Diameter



						40	12.8	1:50	Rockwell B52	DIN 1	Not Rated	1	98445A860	0000	—	—	———	0


						50	13	1:50	Rockwell B52	DIN 1	Not Rated	5	98445A864	00000	—	—	———	0
						55	13.1	1:50	Rockwell B52	DIN 1	Not Rated	1	98445A866	0000	—	—	———	0
						60	13.2	1:50	Rockwell B52	DIN 1	Not Rated	1	98445A868	0000	—	—	———	0
						70	13.4	1:50	Rockwell B52	DIN 1	Not Rated	1	98445A872	0000	—	—	———	0
						80	13.6	1:50	Rockwell B52	DIN 1	Not Rated	1	98445A876	00000	—	—	———	0