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The Coiled Spring Pin was invented by SPIROL in 1948. SPIROL offers Coiled Pins in three duties, light, standard and heavy, to provide a variety of combinations of strength, flexibility and diameter to accommodate different host materials and applications. Standard duty (sometimes called “medium” duty) Coiled Spring Pins are generally recommended for use in nonferrous and mild steel assemblies and provide the optimum combination of strength and flexibility in these materials. Standard duty Coiled Pins are also preferred in hardened components when there is enough space to accommodate the larger diameter to withstand the applied force because of their ability to absorb shock and vibration.

SPIROL’s standard duty metric Coiled Spring Pins conform to ISO 8750 and ASME B18.8.3M. Ranging in diameter from 0.8mm up to 20mm, these standard duty Coiled Pins are offered in high carbon steel, 6150 alloy steel, 302/304 nickel (austenitic) stainless steel and 420 chrome (martensitic) stainless steel.

In addition to being able to purchase SPIROL’s standard Coiled Spring Pins online, you are also able to view or download 2D Sales Drawings and 3D models of all Coiled Pins. Simply select the part you want and scroll to the bottom of the page to download the drawing in the required format.

Different quantities, custom sizes, special materials and finishes can be requested by contacting SPIROL directly at info@spirol.com, calling any one of our global offices or by requesting a quote through the online configurator.

Unit of Measure

Package Type

 N/A Box

Units per Box

 N/A 100

Duty

 N/A Standard

Nominal Dia

 N/A 10 mm

Length (L)

 N/A 70 mm

Material Type

 N/A Nickel Stainless Steel

Material Grade

 N/A UNS S30200 / S30400
X10CrNi18-8 (1.4310)

Finish

 N/A Plain

Chamfer Length (C Ref.)

 N/A 2,50 mm

Chamfer Diameter (B Max.)

 N/A 9,75 mm

Diameter (D Min.)

 N/A 10,35 mm

Diameter (D Max.)

 N/A 10,80 mm

Recommended Hole Size (Min)

 N/A 10,00 mm

Recommended Hole Size (Max)

 N/A 10,15 mm

Minimum Double Shear Strength

 N/A 48 kN

Heat Treatment

 N/A Work Hardened

Length Tolerance

 N/A ±0.75

Pin Straightness Tolerance [Min]

 N/A 0.42

Pin Straightness Tolerance [Max]

 N/A 0.48

ISO

 N/A 8750

ASME

 N/A B18.8.3M

Weight Per Piece

 N/A 0.0265397 kg0.0585094 lb

Order Processing Note

 N/A Orders typically ship in 2-3 business days. Orders received after 3pm EST will be processed on the next business day.