M6 x 1 x 60 Mm Coarse Plain 18-8 (A2) Stainless Steel Phillips Drive Pan Head Machine Screw Best Seller Back up washers are flat

Back up washers are flat washers for rivets

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M6 x 1 x 60 Mm Coarse Plain 18-8 (A2) Stainless Steel Phillips Drive Pan Head Machine Screw Best Seller Back up washers are flatPan head design is slightly rounded with minimal vertical sides. Square drive is designed to reduce the risk of stripping and allow single handed installation. Additionally reduces the ability to tamper with the fastener once installed.