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8mm (5/16") Aluminum Conical Washer

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These low-profile conical aluminum washers fit 5/16" or 8mm countersunk screws (not included). They are ideal for kart seat attachment hardware because the shallow (approx. 42°) angle of the shoulder minimizes pressure points. Hard anodized finish available in Clear, Black, Blue, Gold, or Red. Sold individually.

ID: 0.330" (8.4mm)
OD: 1.17" (30mm)
Height: 0.212" (5.4mm)
Seat Angle: 60°

Order Qty

Part No.





5/16" Aluminum Conical Washer, Black

$1.99 In Stock


5/16" Aluminum Conical Washer, Blue

$1.99 In Stock


5/16" Aluminum Conical Washer, Clear

$1.99 In Stock


5/16" Aluminum Conical Washer, Gold

$1.99 In Stock


5/16" Aluminum Conical Washer, Red

$1.99 In Stock

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