DIN 1 Dowel Pins | McMaster-Carr

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Rate of Taper

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Hardness

Export Control Classification Number (ECCN)

EAR99

DFARS Specialty Metals

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116 Products

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 taper-pin 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	000000000	00000


		12	1.8	1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	5	000000000	0000


		2 mm Small End Diameter



				10	2.2	1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	5	000000000	00000


				16	2.3	1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	5	000000000	00000
				20	2.4	1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	5	000000000	00000
				24	2.5	1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	5	000000000	00000
				30	2.6	1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	5	000000000	00000


				2.5 mm Small End Diameter



						16	2.8	1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	5	000000000	00000


						20	2.9	1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	5	000000000	00000
						30	3.1	1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	5	000000000	00000


						3 mm Small End Diameter



								16	3.3	1:50	Rockwell B52	DIN 1	Not Rated	25	000000000	00000	—	—	———	0


								16	3.3	1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	5	000000000	00000
								20	3.4	1:50	Rockwell B52	DIN 1	Not Rated	25	000000000	0000	—	—	———	0
								20	3.4	1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	5	000000000	00000
								24	3.5	1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	5	000000000	00000
								32	3.6	1:50	Rockwell B52	DIN 1	Not Rated	10	000000000	0000	—	—	———	0
								32	3.6	1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	1	000000000	0000
								36	3.7	1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	1	000000000	0000
								40	3.8	1:50	Rockwell B52	DIN 1	Not Rated	10	000000000	0000	—	—	———	0
								40	3.8	1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	1	000000000	0000
								50	4	1:50	Rockwell B52	DIN 1	Not Rated	10	000000000	00000	—	—	———	0


								50	4	1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	1	000000000	0000
								60	4.2	1:50	Rockwell B52	DIN 1	Not Rated	10	000000000	00000	—	—	———	0


								4 mm Small End Diameter



										16	4.3	1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	5	000000000	00000


										20	4.4	1:50	Rockwell B52	DIN 1	Not Rated	10	000000000	0000	—	—	———	0
20										4.4	1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	1	000000000	0000
24	4.5									1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	1	000000000	0000
26	4.5									1:50	Rockwell B52	DIN 1	Not Rated	10	000000000	0000	—	—	———	0
30	4.6									1:50	Rockwell B52	DIN 1	Not Rated	10	000000000	0000	—	—	———	0
30	4.6									1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	1	000000000	0000
36	4.7									1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	1	000000000	0000
40	4.8									1:50	Rockwell B52	DIN 1	Not Rated	10	000000000	00000	—	—	———	0
40	4.8									1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	1	000000000	0000
45	4.9									1:50	Rockwell B52	DIN 1	Not Rated	10	000000000	0000	—	—	———	0


45	4.9	1:50	Rockwell B85							DIN 1	—	—	———	0	Not Rated	1	000000000	0000
50	5	1:50	Rockwell B52							DIN 1	Not Rated	10	000000000	00000	—	—	———	0
50	5	1:50	Rockwell B85							DIN 1	—	—	———	0	Not Rated	1	000000000	0000
60	5.2	1:50	Rockwell B52							DIN 1	Not Rated	5	000000000	0000	—	—	———	0
60	5.2	1:50	Rockwell B85							DIN 1	—	—	———	0	Not Rated	1	000000000	0000


5 mm Small End Diameter



		20	5.4							1:50	Rockwell B52	DIN 1	Not Rated	10	000000000	0000	—	—	———	0


		20	5.4	1:50	Rockwell B85					DIN 1	—	—	———	0	Not Rated	1	000000000	0000
		26	5.5	1:50	Rockwell B52					DIN 1	Not Rated	10	000000000	0000	—	—	———	0
		26	5.5	1:50	Rockwell B85					DIN 1	—	—	———	0	Not Rated	1	000000000	0000
		30	5.6	1:50	Rockwell B52					DIN 1	Not Rated	10	000000000	00000	—	—	———	0
		30	5.6	1:50	Rockwell B85					DIN 1	—	—	———	0	Not Rated	1	000000000	0000
		36	5.7	1:50	Rockwell B85					DIN 1	—	—	———	0	Not Rated	1	000000000	0000
		40	5.8	1:50	Rockwell B52					DIN 1	Not Rated	5	000000000	0000	—	—	———	0
		40	5.8	1:50	Rockwell B85					DIN 1	—	—	———	0	Not Rated	1	000000000	0000
		45	5.9	1:50	Rockwell B52					DIN 1	Not Rated	5	000000000	0000	—	—	———	0
		45	5.9	1:50	Rockwell B85					DIN 1	—	—	———	0	Not Rated	1	000000000	0000


		50	6	1:50	Rockwell B52	DIN 1	Not Rated			5	000000000	0000	—	—	———	0
		50	6	1:50	Rockwell B85	DIN 1	—			—	———	0	Not Rated	1	000000000	0000
		55	6.1	1:50	Rockwell B52	DIN 1	Not Rated			5	000000000	0000	—	—	———	0
		60	6.2	1:50	Rockwell B52	DIN 1	Not Rated			5	000000000	0000	—	—	———	0
		60	6.2	1:50	Rockwell B85	DIN 1	—			—	———	0	Not Rated	1	000000000	0000
		70	6.4	1:50	Rockwell B85	DIN 1	—			—	———	0	Not Rated	1	000000000	00000


		6 mm Small End Diameter



				20	6.4	1:50	Rockwell B52			DIN 1	Not Rated	25	000000000	00000	—	—	———	0


				20	6.4	1:50	Rockwell B85			DIN 1	—	—	———	0	Not Rated	1	000000000	0000
				26	6.5	1:50	Rockwell B52			DIN 1	Not Rated	10	000000000	0000	—	—	———	0
				30	6.6	1:50	Rockwell B52			DIN 1	Not Rated	10	000000000	00000	—	—	———	0
				30	6.6	1:50	Rockwell B85			DIN 1	—	—	———	0	Not Rated	1	000000000	0000
				36	6.7	1:50	Rockwell B85			DIN 1	—	—	———	0	Not Rated	1	000000000	0000
				40	6.8	1:50	Rockwell B52			DIN 1	Not Rated	10	000000000	00000	—	—	———	0
				40	6.8	1:50	Rockwell B85			DIN 1	—	—	———	0	Not Rated	1	000000000	0000
				45	6.9	1:50	Rockwell B52	DIN 1		Not Rated	5	000000000	0000	—	—	———	0
				45	6.9	1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	1	000000000	0000
				50	7	1:50	Rockwell B52	DIN 1	Not Rated	10	000000000	00000	—	—	———	0


				50	7	1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	1	000000000	0000
				55	7.1	1:50	Rockwell B52	DIN 1	Not Rated	5	000000000	0000	—	—	———	0
				55	7.1	1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	1	000000000	0000
				60	7.2	1:50	Rockwell B52	DIN 1	Not Rated	10	000000000	00000	—	—	———	0
				60	7.2	1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	1	000000000	0000
				70	7.4	1:50	Rockwell B52	DIN 1	Not Rated	5	000000000	00000	—	—	———	0
				70	7.4	1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	1	000000000	00000
				80	7.6	1:50	Rockwell B52	DIN 1	Not Rated	5	000000000	00000	—	—	———	0
				80	7.6	1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	1	000000000	00000


				8 mm Small End Diameter



						26	8.5	1:50	Rockwell B52	DIN 1	Not Rated	5	000000000	00000	—	—	———	0


						30	8.6	1:50	Rockwell B52	DIN 1	Not Rated	5	000000000	00000	—	—	———	0
30						8.6	1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	1	000000000	0000
36	8.7					1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	1	000000000	0000
40	8.8					1:50	Rockwell B52	DIN 1	Not Rated	5	000000000	00000	—	—	———	0
40	8.8					1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	1	000000000	0000
45	8.9					1:50	Rockwell B52	DIN 1	Not Rated	5	000000000	00000	—	—	———	0
45	8.9					1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	1	000000000	0000
50	9					1:50	Rockwell B52	DIN 1	Not Rated	5	000000000	00000	—	—	———	0
50	9					1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	1	000000000	00000
55	9.1					1:50	Rockwell B52	DIN 1	Not Rated	5	000000000	00000	—	—	———	0


55	9.1					1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	1	000000000	00000
60	9.2					1:50	Rockwell B52	DIN 1	Not Rated	5	000000000	00000	—	—	———	0
60	9.2					1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	1	000000000	00000
70	9.4					1:50	Rockwell B52	DIN 1	Not Rated	1	000000000	0000	—	—	———	0
70	9.4					1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	1	000000000	00000
80	9.6					1:50	Rockwell B52	DIN 1	Not Rated	1	000000000	0000	—	—	———	0
80	9.6					1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	1	000000000	00000
100	10					1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	1	000000000	00000


10 mm Small End Diameter



						30	10.6	1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	1	000000000	00000


		40				10.8	1:50	Rockwell B52	DIN 1	Not Rated	5	000000000	00000	—	—	———	0
		40	10.8			1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	1	000000000	00000
		45	10.9			1:50	Rockwell B52	DIN 1	Not Rated	5	000000000	00000	—	—	———	0
		45	10.9			1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	1	000000000	00000
		50	11			1:50	Rockwell B52	DIN 1	Not Rated	5	000000000	00000	—	—	———	0
		50	11			1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	1	000000000	00000
		55	11.1			1:50	Rockwell B52	DIN 1	Not Rated	1	000000000	0000	—	—	———	0
		55	11.1			1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	1	000000000	00000
		60	11.2			1:50	Rockwell B52	DIN 1	Not Rated	1	000000000	0000	—	—	———	0
		60	11.2			1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	1	000000000	00000


		70	11.4			1:50	Rockwell B52	DIN 1	Not Rated	1	000000000	0000	—	—	———	0
		70	11.4			1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	1	000000000	00000
		80	11.6			1:50	Rockwell B52	DIN 1	Not Rated	1	000000000	0000	—	—	———	0
		100	12			1:50	Rockwell B85	DIN 1	—	—	———	0	Not Rated	1	000000000	00000


		12 mm Small End Diameter



						40	12.8	1:50	Rockwell B52	DIN 1	Not Rated	1	000000000	0000	—	—	———	0


						50	13	1:50	Rockwell B52	DIN 1	Not Rated	5	000000000	00000	—	—	———	0
						55	13.1	1:50	Rockwell B52	DIN 1	Not Rated	1	000000000	0000	—	—	———	0
						60	13.2	1:50	Rockwell B52	DIN 1	Not Rated	1	000000000	0000	—	—	———	0
						70	13.4	1:50	Rockwell B52	DIN 1	Not Rated	1	000000000	0000	—	—	———	0
						80	13.6	1:50	Rockwell B52	DIN 1	Not Rated	1	000000000	0000	—	—	———	0