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5/16" Stainless Steel Internal Tooth Star Lock Washers (Pack of 500) Marine Bolt Supply

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Product details

Management number 218160431 Release Date 2026/05/03 List Price US$9.98 Model Number 218160431
Category

These standard type 410 stainless steel internal tooth lock washers are commonly used with pan or button style head screws. The internal teeth bite into the screw providing a tight grip. 400 series stainless steel is the industry standard for these type of locking washers. 400 series provides more strength than 300 series. These are stainless steel but are also mildly magnetic.

  • Dimensions: OD = .60", ID = .32" Thickness = .034"
  • Quality and strong standard type 400 series stainless stee
  • Each pack is professionally heat sealed and labeled by Marine Bolt Supply
  • Offered in convenient small or large quantity packs
Brand Marine Bolt Supply
Size Name 5/16 (Pack of 500)
Metal Type Stainless Steel
Unit Count 500.0 Count
Part Number 4-FLWI-031
Thread Size 5/16"
Washer Type Internal Tooth Lock
Finish Types Polished
Manufacturer CMC Industrial Supply
Fastener Size 5/16"
Fastener Type Lock
Item Diameter 0.6 Inches
Material Type Stainless Steel
Item Thickness 0.03 Hundredths-Inches
Exterior Finish Stainless Steel
Number of Pieces 500
Outside Diameter 0.6 Inches
Screw Head Style Flat
Compatible Groove Diameter 0.32 Inches

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