Washers 120 PCS, HOLMOL Flat Penny Washers, Stainless Steel Washer for Screws & Bolts with 5 Sizes M4 M5 M6 M8 M10, Flat Metal Washer Assorted

120 PCS PENNY WASHERS: 120 PCS flat washers in 5 size, 30 PCS M4 x 12mm, 30 PCS M5 x 15mm, 30 PCS M6 x 20mm, 20 PCS M8 x 25mm, 10 PCS M10 x 30mm.

STAINLESS STEEL WASHERS: Our washers for screws are made of premium 304 stainless steel with smooth surface, which are durable, firm and rustproof.

EFFECTIVELY PREVENTS LOOSENING: When machinery is in operation, the joints are prone to loosening due to various shocks or vibrations. Our metal washers assorted effectively prevent these joints from loosening and keep joints stable and secure. Flat washers for bolts also have good corrosion resistance and sealing properties, which can effectively prevent liquid leakage.

EASY TO INSTALL: First, put a penny washer on the bolt, then insert the bolt into the mechanical screw hole to be secured and place another stainless steel washer above it. Finally, screw the nut onto the bolt and tighten it.

UNIVERSAL ASSORTED WASHERS: The washers for screws are used in a wide range of applications in machinery manufacturing, furniture, automotive, aerospace and other fields.