Yuyao Hongli Metal Products Co.,Ltd. is one of the professional manufacturers & exporters specialized in screws, including self tapping screws, machine screws,chipboard screws,wood screws,drywall screws,roofing screws,self drilling screws etc.
All head code
pan head, truss head,plat head,oval,round, Bugle head with Phillips recess,hex, hex washer, pan washer, cheese, binding) &
Drive code
(Phillips recess, square socket, PZ drive,plane hex, Slotted& square socket, combination of Phillips & Slotted, triangle drive,H drive, Torx , toro-set tri wing)&
Surface finishes
(Zinc-plated, Nickel-plated, Brass-plated, black oxide, chromate,black phosphate)
are available.

Our products are strictly in line with DIN, ANSI,BS,JIS,GB,ISO standard. We can also produce samples according to customers' drawings.