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SPIROL’s Standard Slotted Spring Pins have a slot width narrower than the wall thickness and thus do not nest or interlock. SPIROL’s Standard Inch Slotted Spring Pins are produced with state-of-the-art technology resulting in lower insertion force, smoother insertion, and rounder outside diameters as compared to Slotted Pins produced with traditional methods. The edge of the slot on SPIROL’s Standard Slotted Pin does not damage the hole during installation, and there is lower stress in the spine of the installed pin resulting in longer pin life when subjected to shock and vibration. Since these Slotted Pins do not interlock, they are conducive for automatic feeding.

SPIROL’s Standard Inch Slotted Pins meet or exceed ASME B18.8.2 specifications and are available in high carbon steel, nickel (austenitic) stainless steel and chrome (martensitic) stainless steel in diameters ranging from .062” (1/16”) to .500” (1/2”).

In addition to being able to purchase or request a quote for SPIROL’s standard Slotted Spring Pins online, you are also able to view or download 2D drawings and 3D models of all available Slotted Pins. Simply select the part you want and scroll to the bottom of the page to download the 2D drawing / 3D model in the required format.

Different quantities, custom sizes, special materials and finishes can be requested through the online configurator, or feel free to contact SPIROL directly at info@spirol.com or call any one of our global offices.

Unit of Measure

Package Type

 N/A Box

Units per Box

 N/A 1

Nominal Dia

 N/A .312 (5/16) in

Length (L)

 N/A 4.000 (4) in

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 Min)

 N/A .014 in

Chamfer Length (C Max)

 N/A .080 in

Diameter (D Min)

 N/A .321 in

Diameter (D Max)

 N/A .330 in

Recommended Hole Size (Min)

 N/A .312 in

Recommended Hole Size (Max)

 N/A .318 in

Minimum Double Shear Strength

 N/A 6300 lb

Heat Treatment

 N/A Work Hardened

Pin Straightness Tolerance

 N/A .013 in

Specification

 N/A Meets or exceeds ASME B18.8.2 specifications

Weight Per Piece

 N/A 0.0250919 kg0.0553172 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.