M20 是螺栓规格。SS=stainless steel（不锈钢）stud bolt：双头螺栓。A4-50 是不锈钢螺栓机械性能等级，材质用316，详见：GB/T 3098.6 紧固件机械性能不锈钢螺栓、螺钉和螺柱 不锈钢啊，用316就可以。
A193 B7 B7m Heavy Duty M12 M20 Stainless Steel 304 316 Full Thread heavy Stud Bolt and Nut The main uses of stud are: 1, in the main body of large equipment, need to install the accessories, such as sight glasses, mechanical seal, de...
Wholesale ANSI M20 Stainless Steel Flange Bolt Nut, Find Details and Price about Bolt Flange Bolt from Wholesale ANSI M20 Stainless Steel Flange Bolt Nut - Zhejiang Italy Copper Industry Co., Ltd.
Bolts Screw Door & Window Bolt Flange Nut Brass Nut Square Nut Hot Searches Steel Nut Hardware Nut Standard Nut Rivet Nut DIN Steel Hex Nut Hex Nut Stainless Carbon Steel Hex Nut ANSI Steel Hex Nut Carbon Steel Hex Nut Fastener Steel ...
Standard M16 M20 M22 Stainless Steel Carbon Steel Grade 8.8 Hex Head Bolt, Find Details and Price about Bolt Grade 8.8 Grade 8 Bolts from Standard M16 M20 M22 Stainless Steel Carbon Steel Grade 8.8 Hex Head Bolt - Hangzhou Henggong Technology Co., LTD
Stainless steel: All DIN Standard stainless steel Bolt Free Samples for standard fastener For more information visit:hainafastener.en.made-in-china.com Our Services Professional Manufacturer: All of our Fastener are designed and manufactured according to buyers' specificati...
M20*200 Standard Size Stainless Steel Zinc Plated Concrete Expansion Anchor Bolts, Find Details and Price about Galvanized Bolt Expansion Bolt for Concrete from M20*200 Standard Size Stainless Steel Zinc Plated Concrete Expansion Anchor Bolts - Changzhou
M4 Aluminum CD Welder Spot Welding Studs Bolt US$0.01-0.03 / Piece 304 Stainless Steel Weld Studs for Capacitor Discharge Welding M3 M4 M5 M6 M8 US$0.01-0.03 / Piece M6 X 16mm 304 Stainless Steel Welding Stud Machinery Screws US$0.01-0....
Stainless steel: All DIN Standard stainless steel Bolt Free Samples for standard fastener For more information visit:hainafastener.en.made-in-china.com About Us Jiaxing Haina Fastener co. Ltd was established in 2010, located in the hometown of fasteners jiaxing ...
Door & Window Bolt Nut Screw Eye Bolt T-Head Bolt Round Head Bolt Hot Searches China Bolt Steel Bolt Bolt And Hardware Standard Bolt U Clamp Bolt U Shape Bolt And Nut Double U Bolt Stainless Steel U Shape Bolt U Bolt Fastener Top...