Drill Bits products from ZHANGJIAGANG PRIMWELL IMP&EXP.CO.,LTD..

This cobalt steel twist drill bit is manufactured from M35 cobalt steel for heat resistance and durability. The 135° Quick-Cut points are self-centering, allowing for accurate penetration without walking.

These screwdriver bits are constructed from S2 alloy steel, offering high torque and excellent durability. The magnetic design ensures stable screw absorption, enhancing work performance and ease of use.

This professional-grade twist drill bit is made from M35 high-speed steel. It features a split-point design for self-centering and efficient chip removal.