coach screw bolt:M3-M22*length5mm~160mm nut:M3-M30 Washer:M3-M30 coach screw Standard:GB,DIN,ASME,BSW,UNC,JIS Gread:Gr1,Gr2,Gr3,Gr5,Gr7,Gr9,Gr12,Gr23 Application: Bicycle,Motorcycles,car,bike, machine, industry,military,metallurgy,medical machinery,survey,corrosion Our high-quality products are ...
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