Spring Pins - Steel, Coiled and Slotted

Spring Pins

Slotted Spring Pins are known as split- roll- expansion and roll pins. ASME B18.8.2

Coiled Spring Pins are used to for shock or vibration applications. They typically are rated higher for loads and are better for larger hole tolerances.

Slotted Spring Pin

Coiled Spring Pin

Material Types

420 Stainless Steel
Coiled
Slotted

18-8 Stainless Steel
Imperial Sizes
Metric Sizes

Imperial Sizes - by Dia

1/16"-.062"- 5/64" -.078"- 3/32"-.094"- 1/8"-.125"- 5/32-.156"- 3/16"-.187"- 7/32"-.218"- 1/4"-.250"- 5/16"-.312"- 3/8"-.375"- 7/16"-.437"- 1/2"-.500"

Metric Sizes- by Dia. (ISO 8752 - DIN 1481)

2mm- 2.5mm- 3mm- 3.5mm- 4mm- 5mm- 6mm- 8mm- 10mm- 12mm

Lengths

.187"- .250"- .312"- .375"- .437"- .500"- .562"- .625"- .687"- .750"- .875"- 1.00"- 1.125"- 1.25"- 1.375"- 1.50"- 1.625"- 1.75"- 1.875"- 2.00"- 2.25"- 2.50"- 2.75"- 3.00"- 3.25"- 3.50"- 3.75"- 4.0"- 4mm- 5mm- 6mm- 8mm- 10mm- 12mm- 14mm- 16mm- 18mm- 20mm- 22mm- 24mm- 26mm- 28mm- 30mm- 32mm- 36mm- 40mm- 45mm- 50mm- 55mm- 60mm- 70mm- 75mm- 80mm- 90mm- 95mm- 100mm

Tolerances
Lengths 0-1.0"	+/-.015"
Lengths 1.125"-2.0"	+/-.020"
Lengths 2.25"-3.0"	+/-.025"
Lengths 3.25" and up	+/-.030"
Lengths 0-24mm	+/- .40mm
Lengths 26mm-50mm	+/- .50mm
Lengths 55mm-60mm	+/- .60mm
Lengths 80mm and up	+/- .75mm

Metric							Imperial Inches
Nominal Dia.		M2	M2.5	M3	M4	M5	M6	M8	1/16"	5/64"	3/32"	1/8"	5/32"	3/16"	7/32"	1/4"	5/16"	3/8"	7/16"	1/2"	5/8"
Act. Dia	Min. mm	2.13	2.65	3.15	4.20	5.25	6.25	8.30	0.066	0.083	0.099	0.131	0.162	0.194	0.226	0.258	0.321	0.385	0.448	0.513	0.640
	Max. mm	2.25	2.78	3.30	4.40	5.50	6.50	8.63	0.069	0.086	0.103	0.135	0.137	0.199	0.232	0.264	0.330	0.395	0.459	0.524	0.653
Wall Thickness		*	*	*	*	*	*	*	0.012	0.018	0.022	0.028	0.032	0.040	0.048	0.048	0.062	0.077	0.077	0.094	0.125
Suggested	Min. mm	2.00	2.50	3.00	4.00	5.10	6.00	8.00	0.062	0.078	0.094	0.125	0.156	0.187	0.219	0.250	0.312	0.375	0.437	0.500	0.625
Hole Size	Max. mm	2.10	2.60	3.10	4.12	5.12	6.12	8.15	0.065	0.081	0.097	0.129	0.160	0.192	0.224	0.256	0.318	0.382	0.445	0.510	0.636
Shear Strength Lbs		562	876	1236	2158	3372	4945	8767	*	*	*	*	*	*	*	*	*	*	*	*	*
Shear Strength Lbs 18-8 SS		*	*	*	*	*	*	*	250	460	670	1090	1600	2425	3400	4100	6300	9500	11500	15800	18800
Shear Strength Lbs 420 SS		*	*	*	*	*	*	*	430	800	1150	1875	2750	4150	5850	7050	10800	16300	19800	27100	46000