DIN 7977 Taper Pins | McMaster-Carr

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Large End Diameter

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Rate of Taper

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Minimum Hardness

Thread Length

Breaking Strength

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EAR99

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116 Products

Threaded Taper Pins

Tighten the

nut to draw

the pin out of

the hole.

Threads on these pins stick out for easy removal from blind holes. Tighten the hex nut to draw the pin out. Often used for positioning components and securing assemblies, they taper at a uniform rate to fit in tapered holes. For a snug fit, use a tapered drill bit that matches the pin number for inch sizes or the small end diameter for metric sizes. They have slightly rounded edges to aid insertion.

Metric

Length for metric pins measures the overall length, including the thread.

12L14 Carbon Steel—12L14 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.

	Lg., mm	Large End Dia., mm	Rate of Taper	Thread Lg., mm	Thread Size	Min. Hardness	Breaking Strength, psi	Specs. Met	Pkg. Qty.		Pkg.
12L14 Carbon Steel







				5 mm Small End Diameter

				40	5.5	1:50	14.8	M5	Rockwell B80	34,500	DIN 7977, ISO 8737	5	92281A711	00000


				45	5.6	1:50	14.8	M5	Rockwell B80	34,500	DIN 7977, ISO 8737	5	92281A712	0000
				50	5.7	1:50	14.8	M5	Rockwell B80	34,500	DIN 7977, ISO 8737	5	92281A713	0000




						6 mm Small End Diameter

						45	6.5	1:50	19	M6	Rockwell B80	34,500	DIN 7977, ISO 8737	5	92281A714	0000


						50	6.6	1:50	19	M6	Rockwell B80	34,500	DIN 7977, ISO 8737	5	92281A715	0000
						55	6.7	1:50	19	M6	Rockwell B80	34,500	DIN 7977, ISO 8737	5	92281A716	00000
						60	6.8	1:50	19	M6	Rockwell B80	34,500	DIN 7977, ISO 8737	5	92281A717	00000




								8 mm Small End Diameter

								55	8.6	1:50	23.25	M8	Rockwell B80	34,500	DIN 7977, ISO 8737	5	92281A718	00000


								60	8.7	1:50	23.25	M8	Rockwell B80	34,500	DIN 7977, ISO 8737	5	92281A719	00000
								65	8.8	1:50	23.25	M8	Rockwell B80	34,500	DIN 7977, ISO 8737	5	92281A721	00000
								70	8.9	1:50	23.25	M8	Rockwell B80	34,500	DIN 7977, ISO 8737	5	92281A722	00000
								75	9	1:50	23.25	M8	Rockwell B80	34,500	DIN 7977, ISO 8737	5	92281A723	00000




										10 mm Small End Diameter

										65	10.7	1:50	25.5	M10	Rockwell B80	34,500	DIN 7977, ISO 8737	1	92281A724	0000


										70	10.8	1:50	25.5	M10	Rockwell B80	34,500	DIN 7977, ISO 8737	1	92281A725	0000
										75	10.9	1:50	25.5	M10	Rockwell B80	34,500	DIN 7977, ISO 8737	1	92281A726	0000
										80	11	1:50	25.5	M10	Rockwell B80	34,500	DIN 7977, ISO 8737	1	92281A727	0000
										85	11.1	1:50	25.5	M10	Rockwell B80	34,500	DIN 7977, ISO 8737	1	92281A728	0000
										90	11.2	1:50	25.5	M10	Rockwell B80	34,500	DIN 7977, ISO 8737	1	92281A729	0000
										95	11.3	1:50	25.5	M10	Rockwell B80	34,500	DIN 7977, ISO 8737	1	92281A731	0000
										100	11.4	1:50	25.5	M10	Rockwell B80	34,500	DIN 7977, ISO 8737	1	92281A732	0000




												12 mm Small End Diameter

												85	13	1:50	28.75	M12	Rockwell B80	34,500	DIN 7977, ISO 8737	1	92281A733	0000


90												13.1	1:50	28.75	M12	Rockwell B80	34,500	DIN 7977, ISO 8737	1	92281A734	0000
95	13.2											1:50	28.75	M12	Rockwell B80	34,500	DIN 7977, ISO 8737	1	92281A735	0000
100	13.3											1:50	28.75	M12	Rockwell B80	34,500	DIN 7977, ISO 8737	1	92281A736	0000
110	13.5											1:50	28.75	M12	Rockwell B80	34,500	DIN 7977, ISO 8737	1	92281A737	00000
120	13.7											1:50	28.75	M12	Rockwell B80	34,500	DIN 7977, ISO 8737	1	92281A738	00000




		14 mm Small End Diameter

		85	14.9									1:50	31.75	M12	Rockwell B80	34,500	DIN 7977, ISO 8737	1	92281A739	00000


		90	15									1:50	31.75	M12	Rockwell B80	34,500	DIN 7977, ISO 8737	1	92281A741	00000
		95	15.1									1:50	31.75	M12	Rockwell B80	34,500	DIN 7977, ISO 8737	1	92281A742	00000
		100	15.2									1:50	31.75	M12	Rockwell B80	34,500	DIN 7977, ISO 8737	1	92281A743	00000
		110	15.4	1:50								31.75	M12	Rockwell B80	34,500	DIN 7977, ISO 8737	1	92281A744	00000
		120	15.6	1:50	31.75							M12	Rockwell B80	34,500	DIN 7977, ISO 8737	1	92281A745	00000




				16 mm Small End Diameter

				100	17.1							1:50	37	M16	Rockwell B80	34,500	DIN 7977, ISO 8737	1	92281A746	00000


				110	17.3							1:50	37	M16	Rockwell B80	34,500	DIN 7977, ISO 8737	1	92281A747	00000
				120	17.5							1:50	37	M16	Rockwell B80	34,500	DIN 7977, ISO 8737	1	92281A748	00000
				130	17.7	1:50						37	M16	Rockwell B80	34,500	DIN 7977, ISO 8737	1	92281A749	00000
				140	17.9	1:50	37					M16	Rockwell B80	34,500	DIN 7977, ISO 8737	1	92281A751	00000
				150	18.1	1:50	37					M16	Rockwell B80	34,500	DIN 7977, ISO 8737	1	92281A752	00000




						20 mm Small End Diameter

						110	21.3					1:50	37	M16	Rockwell B80	34,500	DIN 7977, ISO 8737	1	92281A753	00000


						120	21.5					1:50	37	M16	Rockwell B80	34,500	DIN 7977, ISO 8737	1	92281A754	00000
						130	21.7					1:50	37	M16	Rockwell B80	34,500	DIN 7977, ISO 8737	1	92281A755	00000
						140	21.9	1:50				37	M16	Rockwell B80	34,500	DIN 7977, ISO 8737	1	92281A756	00000
						150	22.1	1:50	37			M16	Rockwell B80	34,500	DIN 7977, ISO 8737	1	92281A757	00000
						160	22.3	1:50	37			M16	Rockwell B80	34,500	DIN 7977, ISO 8737	1	92281A758	00000
						190	22.9	1:50	37			M16	Rockwell B80	34,500	DIN 7977, ISO 8737	1	92281A759	00000




								25 mm Small End Diameter

								120	26.4			1:50	42.5	M20	Rockwell B80	34,500	DIN 7977, ISO 8737	1	92281A761	00000


								130	26.6			1:50	42.5	M20	Rockwell B80	34,500	DIN 7977, ISO 8737	1	92281A762	00000
								140	26.8			1:50	42.5	M20	Rockwell B80	34,500	DIN 7977, ISO 8737	1	92281A763	00000
								150	27			1:50	42.5	M20	Rockwell B80	34,500	DIN 7977, ISO 8737	1	92281A764	00000
								160	27.2			1:50	42.5	M20	Rockwell B80	34,500	DIN 7977, ISO 8737	1	92281A765	00000
								190	27.8	1:50		42.5	M20	Rockwell B80	34,500	DIN 7977, ISO 8737	1	92281A766	00000
								220	28.4	1:50	42.5	M20	Rockwell B80	34,500	DIN 7977, ISO 8737	1	92281A767	00000




										30 mm Small End Diameter

										140	31.6	1:50	49	M24	Rockwell B80	34,500	DIN 7977, ISO 8737	1	92281A768	00000


150	31.8									1:50	49	M24	Rockwell B80	34,500	DIN 7977, ISO 8737	1	92281A769	00000
160	32									1:50	49	M24	Rockwell B80	34,500	DIN 7977, ISO 8737	1	92281A771	00000
190	32.6									1:50	49	M24	Rockwell B80	34,500	DIN 7977, ISO 8737	1	92281A772	00000
220	33.2									1:50	49	M24	Rockwell B80	34,500	DIN 7977, ISO 8737	1	92281A773	00000
250	33.8									1:50	49	M24	Rockwell B80	34,500	DIN 7977, ISO 8737	1	92281A774	00000


303 Stainless Steel







			5 mm Small End Diameter

			40								5.5	1:50	14.8	M5	Rockwell B96	34,500	DIN 7977, ISO 8737	5	92284A711	0000


			45								5.6	1:50	14.8	M5	Rockwell B96	34,500	DIN 7977, ISO 8737	5	92284A712	00000
			50								5.7	1:50	14.8	M5	Rockwell B96	34,500	DIN 7977, ISO 8737	5	92284A713	00000




												6 mm Small End Diameter

												45	6.5	1:50	19	M6	Rockwell B96	34,500	DIN 7977, ISO 8737	5	92284A714	00000


				50	6.6							1:50	19	M6	Rockwell B96	34,500	DIN 7977, ISO 8737	5	92284A715	00000
				55	6.7							1:50	19	M6	Rockwell B96	34,500	DIN 7977, ISO 8737	5	92284A716	00000
				60	6.8							1:50	19	M6	Rockwell B96	34,500	DIN 7977, ISO 8737	5	92284A717	00000




												8 mm Small End Diameter

												55	8.6	1:50	23.25	M8	Rockwell B96	34,500	DIN 7977, ISO 8737	1	92284A718	0000


												60	8.7	1:50	23.25	M8	Rockwell B96	34,500	DIN 7977, ISO 8737	1	92284A719	0000
						65						8.8	1:50	23.25	M8	Rockwell B96	34,500	DIN 7977, ISO 8737	1	92284A721	0000
						70	8.9					1:50	23.25	M8	Rockwell B96	34,500	DIN 7977, ISO 8737	1	92284A722	0000
						75	9					1:50	23.25	M8	Rockwell B96	34,500	DIN 7977, ISO 8737	1	92284A723	0000




												10 mm Small End Diameter

												65	10.7	1:50	25.5	M10	Rockwell B96	34,500	DIN 7977, ISO 8737	1	92284A724	00000


												70	10.8	1:50	25.5	M10	Rockwell B96	34,500	DIN 7977, ISO 8737	1	92284A725	00000
												75	10.9	1:50	25.5	M10	Rockwell B96	34,500	DIN 7977, ISO 8737	1	92284A726	00000
												80	11	1:50	25.5	M10	Rockwell B96	34,500	DIN 7977, ISO 8737	1	92284A727	00000
								85				11.1	1:50	25.5	M10	Rockwell B96	34,500	DIN 7977, ISO 8737	1	92284A728	00000
								90	11.2			1:50	25.5	M10	Rockwell B96	34,500	DIN 7977, ISO 8737	1	92284A729	00000
								95	11.3			1:50	25.5	M10	Rockwell B96	34,500	DIN 7977, ISO 8737	1	92284A731	00000
								100	11.4			1:50	25.5	M10	Rockwell B96	34,500	DIN 7977, ISO 8737	1	92284A732	00000




												12 mm Small End Diameter

												85	13	1:50	28.75	M12	Rockwell B96	34,500	DIN 7977, ISO 8737	1	92284A733	00000


90												13.1	1:50	28.75	M12	Rockwell B96	34,500	DIN 7977, ISO 8737	1	92284A734	00000
95	13.2											1:50	28.75	M12	Rockwell B96	34,500	DIN 7977, ISO 8737	1	92284A735	00000
100	13.3											1:50	28.75	M12	Rockwell B96	34,500	DIN 7977, ISO 8737	1	92284A736	00000
110	13.5											1:50	28.75	M12	Rockwell B96	34,500	DIN 7977, ISO 8737	1	92284A737	00000
120	13.7											1:50	28.75	M12	Rockwell B96	34,500	DIN 7977, ISO 8737	1	92284A738	00000




		14 mm Small End Diameter

		85								14.9		1:50	31.75	M12	Rockwell B96	34,500	DIN 7977, ISO 8737	1	92284A739	00000


		90								15		1:50	31.75	M12	Rockwell B96	34,500	DIN 7977, ISO 8737	1	92284A741	00000
		95								15.1		1:50	31.75	M12	Rockwell B96	34,500	DIN 7977, ISO 8737	1	92284A742	00000
		100								15.2		1:50	31.75	M12	Rockwell B96	34,500	DIN 7977, ISO 8737	1	92284A743	00000
		110	15.4							1:50		31.75	M12	Rockwell B96	34,500	DIN 7977, ISO 8737	1	92284A744	00000
		120	15.6							1:50	31.75	M12	Rockwell B96	34,500	DIN 7977, ISO 8737	1	92284A745	00000




										16 mm Small End Diameter

										100	17.1	1:50	37	M16	Rockwell B96	34,500	DIN 7977, ISO 8737	1	92284A746	00000


										110	17.3	1:50	37	M16	Rockwell B96	34,500	DIN 7977, ISO 8737	1	92284A747	00000
				120						17.5	1:50	37	M16	Rockwell B96	34,500	DIN 7977, ISO 8737	1	92284A748	00000
				130	17.7					1:50	37	M16	Rockwell B96	34,500	DIN 7977, ISO 8737	1	92284A749	00000
				140	17.9					1:50	37	M16	Rockwell B96	34,500	DIN 7977, ISO 8737	1	92284A751	00000
				150	18.1					1:50	37	M16	Rockwell B96	34,500	DIN 7977, ISO 8737	1	92284A752	00000




										20 mm Small End Diameter

										110	21.3	1:50	37	M16	Rockwell B96	34,500	DIN 7977, ISO 8737	1	92284A753	00000


						120				21.5	1:50	37	M16	Rockwell B96	34,500	DIN 7977, ISO 8737	1	92284A754	00000
						130	21.7			1:50	37	M16	Rockwell B96	34,500	DIN 7977, ISO 8737	1	92284A755	00000
						140	21.9			1:50	37	M16	Rockwell B96	34,500	DIN 7977, ISO 8737	1	92284A756	00000
						150	22.1			1:50	37	M16	Rockwell B96	34,500	DIN 7977, ISO 8737	1	92284A757	00000
						160	22.3			1:50	37	M16	Rockwell B96	34,500	DIN 7977, ISO 8737	1	92284A758	00000
						190	22.9			1:50	37	M16	Rockwell B96	34,500	DIN 7977, ISO 8737	1	92284A759	00000




										25 mm Small End Diameter

										120	26.4	1:50	42.5	M20	Rockwell B96	34,500	DIN 7977, ISO 8737	1	92284A761	00000


										130	26.6	1:50	42.5	M20	Rockwell B96	34,500	DIN 7977, ISO 8737	1	92284A762	00000
								140		26.8	1:50	42.5	M20	Rockwell B96	34,500	DIN 7977, ISO 8737	1	92284A763	00000
								150	27	1:50	42.5	M20	Rockwell B96	34,500	DIN 7977, ISO 8737	1	92284A764	00000
								160	27.2	1:50	42.5	M20	Rockwell B96	34,500	DIN 7977, ISO 8737	1	92284A765	00000
								190	27.8	1:50	42.5	M20	Rockwell B96	34,500	DIN 7977, ISO 8737	1	92284A766	00000
								220	28.4	1:50	42.5	M20	Rockwell B96	34,500	DIN 7977, ISO 8737	1	92284A767	000000




										30 mm Small End Diameter

										140	31.6	1:50	49	M24	Rockwell B96	34,500	DIN 7977, ISO 8737	1	92284A768	00000


150	31.8									1:50	49	M24	Rockwell B96	34,500	DIN 7977, ISO 8737	1	92284A769	00000
160	32									1:50	49	M24	Rockwell B96	34,500	DIN 7977, ISO 8737	1	92284A771	00000
190	32.6									1:50	49	M24	Rockwell B96	34,500	DIN 7977, ISO 8737	1	92284A772	000000
220	33.2									1:50	49	M24	Rockwell B96	34,500	DIN 7977, ISO 8737	1	92284A773	000000
250	33.8									1:50	49	M24	Rockwell B96	34,500	DIN 7977, ISO 8737	1	92284A774	000000