Professional-grade straight shank cobalt twist drill bits featuring tungsten carbide construction and TiCN copper coating for superior drilling performance across multiple materials.

• Extended Durability: Tungsten carbide construction with TiCN copper coating ensures superior wear resistance and longer tool life
• Heat Management: TiCN coating reduces heat buildup during high-speed drilling operations
• Precision Design: Standard twist drill bit geometry minimizes bit walking and slipping for accurate hole placement
• Material Versatility: Suitable for drilling in metal, wood, plastics, and stainless steel applications
• Size Options: Available in 1-20mm diameter range to accommodate various drilling requirements

Complete product specifications available. Custom non-standard sizes and configurations can be manufactured upon request.

Dongguan Kunming Electronic Technology Co., Ltd. specializes in CNC tool production and sales. Our comprehensive range of cutting tools serves mold processing, automotive parts, IT industry, graphite processing, shipping, and machinery industries. We maintain close customer collaboration and continuously optimize our product offerings to provide stable, high-quality cutting solutions.

Our product line includes standard mold tools, stainless steel tools, aluminum tools, graphite tools, micro-diameter tools, T-type tools, tungsten steel drills, rough milling cutters, tungsten steel reamers, chamfering cutters, inner R cutters, fixed point drills, taper cutters, and customized non-standard tools.