188PCS 9 Sizes Metric Copper Crush Washers Assortment Kit Flat Ring Sealing Washer M5 M6 M8 M10 M12 M14 industrial_April2026 Rated Speed: 12000rpm

Rated Speed: 12000rpm

with Anti-Slip Guide Straps

ND 16 filter ( 4 stops) – This filter is used to cut light entering the lens by 4 f-stops

STEM activity kits

188PCS 9 Sizes Metric Copper Crush Washers Assortment Kit Flat Ring Sealing Washer M5 M6 M8 M10 M12 M14 industrial_April2026 Rated Speed: 12000rpm188PCS 9 Sizes Metric Copper Crush Washers Assortment Kit Flat Ring Sealing Washer M5 M6 M8 M10 M12 M14 Product Features Excellent Material maierke crush washer is made of 100% copper, high temperature resistance, corrosion resistance, good electrical conductivity and strong sealing; Crush Washer Characteristics maximum working pressure: 16MPa; Maximum working temperature: 350C; Melting point: 1083C; Compared with ordinary steel and rubber washers, it