ASME B18.8.3M Spring Pins

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Length

Shaft Type

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10.000 mm to 10.100 mm

10.300 mm to 10.800 mm

12.000 mm to 12.100 mm

Material

Specifications Met

Double Shear Breaking Strength

Pin Type

Performance

Minimum Hardness

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Export Control Classification Number (ECCN)

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43 Products

Coiled Spring Pins

End View

The best spring pins for joining parts exposed to vibration and shock. They're often used in power transmission, automation, and other assemblies with constant motion and sudden starts and stops. Because of their spiral shape, they flex to conform to holes that aren’t perfectly round.

Spring Steel—These pins won't deform from stress and vibration. Although they're stronger than stainless steel, they're best for dry environments since moisture will cause them to rust.

Corrosion-Resistant 18-8 Stainless Steel—The choice for wet and outdoor environments, these pins resist rusting. They are strong enough to join most components but won't withstand extreme stress and vibration as well as steel.

	Lg., mm	For Hole Dia., mm	Double Shear Breaking Strength, lbf	Min. Hardness	Specs. Met	Pkg. Qty.		Pkg.
Spring Steel





				1.5 mm Diameter

				6	1.500 to 1.600	320	Rockwell C43	ASME B18.8.3M, DIN 7343, ISO 8750	50	91612A301	000000
				8	1.500 to 1.600	320	Rockwell C43	ASME B18.8.3M, DIN 7343, ISO 8750	50	91612A302	00000
				10	1.600 to 1.700	175	Rockwell C43	ASME B18.8.3M, DIN 7343, ISO 8750	50	91612A339	00000
				12	1.500 to 1.600	320	Rockwell C43	ASME B18.8.3M, DIN 7343, ISO 8750	50	91612A303	00000




						2 mm Diameter

						6	2.000 to 2.100	550	Rockwell C43	ASME B18.8.3M, DIN 7343, ISO 8750	50	91612A304	0000
						14	2.000 to 2.100	550	Rockwell C43	ASME B18.8.3M, DIN 7343, ISO 8750	50	91612A305	0000
						16	2.000 to 2.100	550	Rockwell C43	ASME B18.8.3M, DIN 7343, ISO 8750	50	91612A306	0000




								2.5 mm Diameter

								10	2.500 to 2.600	850	Rockwell C43	ASME B18.8.3M, DIN 7343, ISO 8750	50	91612A307	0000
								14	2.600 to 2.700	850	Rockwell C43	ASME B18.8.3M, DIN 7343, ISO 8750	50	91612A341	0000




										3.5 mm Diameter

										10	3.500 to 3.600	1,600	Rockwell C43	ASME B18.8.3M, DIN 7343, ISO 8750	25	91612A308	0000
										20	3.500 to 3.600	1,600	Rockwell C43	ASME B18.8.3M, DIN 7343, ISO 8750	25	91612A309	0000
										30	3.500 to 3.600	1,600	Rockwell C43	ASME B18.8.3M, DIN 7343, ISO 8750	25	91612A310	00000




												4 mm Diameter

												16	4.000 to 4.100	2,100	Rockwell C43	ASME B18.8.3M, DIN 7343, ISO 8750	25	91612A311	0000
												18	4.000 to 4.100	2,100	Rockwell C43	ASME B18.8.3M, DIN 7343, ISO 8750	25	91612A312	0000
												40	4.000 to 4.100	2,100	Rockwell C43	ASME B18.8.3M, DIN 7343, ISO 8750	10	91612A313	0000
												50	4.000 to 4.100	2,100	Rockwell C43	ASME B18.8.3M, DIN 7343, ISO 8750	10	91612A314	0000




														5 mm Diameter

														10	5.000 to 5.100	3,300	Rockwell C43	ASME B18.8.3M, DIN 7343, ISO 8750	25	91612A315	00000
														16	5.000 to 5.100	3,300	Rockwell C43	ASME B18.8.3M, DIN 7343, ISO 8750	25	91612A316	0000
														24	5.000 to 5.100	3,300	Rockwell C43	ASME B18.8.3M, DIN 7343, ISO 8750	25	91612A317	00000
														50	5.000 to 5.100	3,300	Rockwell C43	ASME B18.8.3M, DIN 7343, ISO 8750	10	91612A318	00000
														60	5.000 to 5.100	3,300	Rockwell C43	ASME B18.8.3M, DIN 7343, ISO 8750	10	91612A319	00000




																6 mm Diameter

50																6.200 to 6.500	4,900	Rockwell C43	ASME B18.8.3M, DIN 7343, ISO 8750	5	91612A342	0000
60	6.000 to 6.100															4,900	Rockwell C43	ASME B18.8.3M, DIN 7343, ISO 8750	5	91612A320	0000




		8 mm Diameter

		50	8.000 to 8.100													8,700	Rockwell C43	ASME B18.8.3M, DIN 7343, ISO 8750	5	91612A321	0000
		60	8.000 to 8.100													8,700	Rockwell C43	ASME B18.8.3M, DIN 7343, ISO 8750	5	91612A322	00000




				10 mm Diameter

				24	10.000 to 10.100											13,900	Rockwell C43	ASME B18.8.3M, ISO 8748	1	91612A323	0000
				40	10.000 to 10.100											13,900	Rockwell C43	ASME B18.8.3M, DIN 7343, ISO 8750	1	91612A324	0000
				50	10.300 to 10.800											13,900	Rockwell C43	ASME B18.8.3M, DIN 7343, ISO 8750	1	91612A343	0000
				60	10.000 to 10.100											13,900	Rockwell C43	ASME B18.8.3M, DIN 7343, ISO 8750	1	91612A325	0000
				70	10.000 to 10.100											13,900	Rockwell C43	ASME B18.8.3M, DIN 7343, ISO 8750	1	91612A326	0000
				80	10.000 to 10.100											13,900	Rockwell C43	ASME B18.8.3M, DIN 7343, ISO 8750	1	91612A327	0000
				100	10.000 to 10.100											13,900	Rockwell C43	ASME B18.8.3M, DIN 7343, ISO 8750	1	91612A328	0000




						12 mm Diameter

						60	12.000 to 12.100									20,000	Rockwell C43	ASME B18.8.3M, DIN 7343, ISO 8750	1	91612A329	0000


						Corrosion-Resistant 18-8 Stainless Steel





																1.5 mm Diameter

																6	1.500 to 1.600	200	Not Rated	ASME B18.8.3M, DIN 7343, ISO 8750	25	91612A330	0000
																8	1.500 to 1.600	200	Not Rated	ASME B18.8.3M, DIN 7343, ISO 8750	25	91612A331	0000
																10	1.500 to 1.600	200	Not Rated	ASME B18.8.3M, DIN 7343, ISO 8750	25	91612A332	0000
										12						1.500 to 1.600	200	Not Rated	ASME B18.8.3M, DIN 7343, ISO 8750	25	91612A333	0000




																2 mm Diameter

																6	2.000 to 2.100	400	Not Rated	ASME B18.8.3M, DIN 7343, ISO 8750	50	91612A334	00000




																2.5 mm Diameter

																10	2.500 to 2.600	650	Not Rated	ASME B18.8.3M, DIN 7343, ISO 8750	25	91612A335	00000
																14	2.500 to 2.600	650	Not Rated	ASME B18.8.3M, DIN 7343, ISO 8750	25	91612A336	00000




																		4 mm Diameter

														18	4.200 to 4.400			1,700	Not Rated	ASME B18.8.3M, DIN 7343, ISO 8750	10	91612A344	0000
														20	4.000 to 4.100			1,700	Not Rated	ASME B18.8.3M, DIN 7343, ISO 8750	10	91612A337	0000
														30	4.000 to 4.100			1,700	Not Rated	ASME B18.8.3M, DIN 7343, ISO 8750	10	91612A338	00000