• SIZE: M2 x 4mm/6mm/8mm/12mm/16mm/20mm, M3 x 4mm/8mm/12mm/16mm/20 mm/30mm, M4 x 6mm/10mm/14mm/18mm/20mm/30mm screws with matching nuts and flat washers, a must have to get job done! job.
• These metric socket head cap screws bolts nuts are made of 12.9 Grade alloy steel, features superior rust resistance and excellent oxidation resistance.
• 【3X Rust Protection German Coating Tech】VIGRUE screws incorporate German coating anti-rust technology, offer a threefold increase in rust protection compared to other brand regular screws.
• Come in organized, 1080pcs/18 sizes metric screws bolts. All screws nuts washers are packed in a sturdy convenient case for daily storage.
• This screws set is widely used in all kinds of precision machinery, instruments, electronic products, household appliances, communication products, locks, lamps, lights, toys, etc.