steel plate drill bit hollow boring bit high-speed steel plate drill bit british steel pole drill 钢板钻头 空心钻头 高速钢钢板钻头 英制钢极钻

Our company's drill bits are manufactured with the most advanced domestic production processes, using high-quality tool steel and optimized blade shape designs. They are suitable for various magnetic drill machines (suitable for drill presses: ALFRA (Oubao), ECO (Oubo), BDS Bitech, JEI Jieying, etc., and for general-purpose handles), as well as drill presses. These drill bits offer high drilling effectiveness, long service life, and high cost-performance ratio. We offer factory-direct sales with a full range of products, customizations for non-standard orders, and welcome your inquiries!