ASME B18.8.3M Spring Pins

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System of Measurement

Diameter

Length

Hole Diameter

10.000 mm to 10.100 mm

10.300 mm to 10.800 mm

12.000 mm to 12.100 mm

Shaft Type

Material

Specifications Met

Pin Type

Double Shear Breaking Strength

Minimum Hardness

Performance

Passivation

End Type

Fastener Head Type

Export Control Classification Number (ECCN)

EAR99

DFARS Specialty Metals

REACH

RoHS

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	000000000	000000
				8	1.500 to 1.600	320	Rockwell C43	ASME B18.8.3M, DIN 7343, ISO 8750	50	000000000	00000
				10	1.600 to 1.700	175	Rockwell C43	ASME B18.8.3M, DIN 7343, ISO 8750	50	000000000	00000
				12	1.500 to 1.600	320	Rockwell C43	ASME B18.8.3M, DIN 7343, ISO 8750	50	000000000	00000



						2 mm Diameter
						6	2.000 to 2.100	550	Rockwell C43	ASME B18.8.3M, DIN 7343, ISO 8750	50	000000000	0000
						14	2.000 to 2.100	550	Rockwell C43	ASME B18.8.3M, DIN 7343, ISO 8750	50	000000000	0000
						16	2.000 to 2.100	550	Rockwell C43	ASME B18.8.3M, DIN 7343, ISO 8750	50	000000000	0000



								2.5 mm Diameter
								10	2.500 to 2.600	850	Rockwell C43	ASME B18.8.3M, DIN 7343, ISO 8750	50	000000000	0000
								14	2.600 to 2.700	850	Rockwell C43	ASME B18.8.3M, DIN 7343, ISO 8750	50	000000000	0000



										3.5 mm Diameter
										10	3.500 to 3.600	1,600	Rockwell C43	ASME B18.8.3M, DIN 7343, ISO 8750	25	000000000	0000
										20	3.500 to 3.600	1,600	Rockwell C43	ASME B18.8.3M, DIN 7343, ISO 8750	25	000000000	0000
										30	3.500 to 3.600	1,600	Rockwell C43	ASME B18.8.3M, DIN 7343, ISO 8750	25	000000000	00000



												4 mm Diameter
												16	4.000 to 4.100	2,100	Rockwell C43	ASME B18.8.3M, DIN 7343, ISO 8750	25	000000000	0000
												18	4.000 to 4.100	2,100	Rockwell C43	ASME B18.8.3M, DIN 7343, ISO 8750	25	000000000	0000
												40	4.000 to 4.100	2,100	Rockwell C43	ASME B18.8.3M, DIN 7343, ISO 8750	10	000000000	0000
												50	4.000 to 4.100	2,100	Rockwell C43	ASME B18.8.3M, DIN 7343, ISO 8750	10	000000000	0000



														5 mm Diameter
														10	5.000 to 5.100	3,300	Rockwell C43	ASME B18.8.3M, DIN 7343, ISO 8750	25	000000000	00000
														16	5.000 to 5.100	3,300	Rockwell C43	ASME B18.8.3M, DIN 7343, ISO 8750	25	000000000	0000
														24	5.000 to 5.100	3,300	Rockwell C43	ASME B18.8.3M, DIN 7343, ISO 8750	25	000000000	00000
														50	5.000 to 5.100	3,300	Rockwell C43	ASME B18.8.3M, DIN 7343, ISO 8750	10	000000000	00000
														60	5.000 to 5.100	3,300	Rockwell C43	ASME B18.8.3M, DIN 7343, ISO 8750	10	000000000	00000



																6 mm Diameter
																50	6.200 to 6.500	4,900	Rockwell C43	ASME B18.8.3M, DIN 7343, ISO 8750	5	000000000	0000
																60	6.000 to 6.100	4,900	Rockwell C43	ASME B18.8.3M, DIN 7343, ISO 8750	5	000000000	0000



																		8 mm Diameter
																		50	8.000 to 8.100	8,700	Rockwell C43	ASME B18.8.3M, DIN 7343, ISO 8750	5	000000000	0000
																		60	8.000 to 8.100	8,700	Rockwell C43	ASME B18.8.3M, DIN 7343, ISO 8750	5	000000000	00000



																				10 mm Diameter
																				24	10.000 to 10.100	13,900	Rockwell C43	ASME B18.8.3M, ISO 8748	1	000000000	0000
40																				10.000 to 10.100	13,900	Rockwell C43	ASME B18.8.3M, DIN 7343, ISO 8750	1	000000000	0000
50	10.300 to 10.800																			13,900	Rockwell C43	ASME B18.8.3M, DIN 7343, ISO 8750	1	000000000	0000
60	10.000 to 10.100																			13,900	Rockwell C43	ASME B18.8.3M, DIN 7343, ISO 8750	1	000000000	0000
70	10.000 to 10.100	13,900																		Rockwell C43	ASME B18.8.3M, DIN 7343, ISO 8750	1	000000000	0000
80	10.000 to 10.100	13,900	Rockwell C43																	ASME B18.8.3M, DIN 7343, ISO 8750	1	000000000	0000
100	10.000 to 10.100	13,900	Rockwell C43																	ASME B18.8.3M, DIN 7343, ISO 8750	1	000000000	0000



		12 mm Diameter
		60	12.000 to 12.100																	20,000	Rockwell C43	ASME B18.8.3M, DIN 7343, ISO 8750	1	000000000	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	000000000	0000
						8														1.500 to 1.600	200	Not Rated	ASME B18.8.3M, DIN 7343, ISO 8750	25	000000000	0000
						10	1.500 to 1.600													200	Not Rated	ASME B18.8.3M, DIN 7343, ISO 8750	25	000000000	0000
						12	1.500 to 1.600													200	Not Rated	ASME B18.8.3M, DIN 7343, ISO 8750	25	000000000	0000



								2 mm Diameter
								6												2.000 to 2.100	400	Not Rated	ASME B18.8.3M, DIN 7343, ISO 8750	50	000000000	00000



																				2.5 mm Diameter
																				10	2.500 to 2.600	650	Not Rated	ASME B18.8.3M, DIN 7343, ISO 8750	25	000000000	00000
																				14	2.500 to 2.600	650	Not Rated	ASME B18.8.3M, DIN 7343, ISO 8750	25	000000000	00000



																				4 mm Diameter
																				18	4.200 to 4.400	1,700	Not Rated	ASME B18.8.3M, DIN 7343, ISO 8750	10	000000000	0000
																				20	4.000 to 4.100	1,700	Not Rated	ASME B18.8.3M, DIN 7343, ISO 8750	10	000000000	00000
																				30	4.000 to 4.100	1,700	Not Rated	ASME B18.8.3M, DIN 7343, ISO 8750	10	000000000	00000