Apply to Wood & Steel Construction Suitable for wood, metal, copper, and stainless steel Eject chips easily, speed up drilling and increase durability Fast drilling in every material with a beautiful hole Diameter: 1.0~13.0 Shank: Round / Triangle / 6.35 Impact Head: 118° / 135° *Other spec available by request Introduction HELIC is your trustworthy partner for twist drill bits. As a renowned twist drill bit supplier, our commitment to excellence and precision sets us apart in the industry. When it comes to twist drill bits, whether you're a professional tradesman or a DIY enthusiast, our twist drill bits are engineered to meet your specific drilling needs. Ours enables you to get drill bits carefully manufactured to your exact specifications. Choose HELIC as your trusted twist drill bit supplier and let us increase the efficiency and accuracy of your drilling projects.