1/2 inch Drill Bit for Metal and Hard Steel (2Pcs), Hex Shank, M35 Cobalt - size: 1/2(2pcs)

About this item

• Jobber Length: 1/2 inch cutting diameter, 135 degree split point, 1/4" Solid Hex Shank
• Solid Hex Shank: 1. The bit will not break loose from the hex shank base；2. These drill bits run straight and true
• Shank Not Easily Shaken Off: 5 times higher torque compared to the old hex shank, eliminates radial runout and improves concentricity, higher impact-rated accuracy
• Cobalt M35 Material: High cost, but hardness is up to HRC67, cut faster and has a long life, up to 12 times compared with the average HSS titanium coated bit
• Hardened Full Grinding Process: Increases wear resistance, sharp and durable, used for stainless steel, cast iron, zinc alloy, titanium, aluminum and hard metal
• Wide Range Of Applications: This product can drill through hard metals such as stainless steel, cast iron, zinc alloy etc., while the HSS titanium-plated version you usually see can only be used on soft materials such as wood and plastic
• Widely used: Whether you're a home DIYer or workshoper of professional drilling, it's a great tool
• Use Notices: Drill bit should be vertical to the workpiece when used; controling low speed from 200 to 1000 rpm; using cutting fluid will stay cool to make the bit last longer

Overview

• Material: Cobalt Steel
• Cutting Diameter: 12.7 millimeters
• Finish Type: Gold Oxide
• Shank Type: hex shank
• Cutting Angle String: 135 degrees