Whatsapp / Wechat / TEL: +86-18757706424

How to fill in standard fastener information (bolts, nuts, washers) in mechanical drawing BOMs?

Format: Type + Standard No. + Specification + Surface Treatment. Example: Bolt BOLT-GB5783-M10×30-8.8-Zn; Nut NUT-GB6170-M10-8H-Zn; Washer WASHER-GB97.1-10-A-Zn. Must include: standard number, specification, strength/precision, surface treatment to ensure consistency in procurement and assembly.