Chipboard screws, Self tapping screws,纤维板钉，自攻钉

Chipboard screws, Self tapping screws

Specification: 3 x 12 - 6 x 50mm

Features: cross recessed/countersunk/ half-round/oval countersunk, smooth shank, quenching treatment;

Finish: zinc plated, hot-dipped galvanized;

Usage: Mainly used for sheet iron, aluminium alloy, fasten;

纤维板钉，自攻钉

规格：3*12——6*50mm          

特点：十字槽、沉头、圆头、半沉头，经淬火处理 

表面：镀锌