1/2 inch Drill Bit for Metal and Hard Steel (2Pcs), Hex Shank, M35 Cobalt — Open-Box, 21% Off

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 Quick-Change Hex Shank: Compatible with power screwdrivers, impact drivers, and other tools that accept 1/4" hex shanks, allowing for quick changing between multiple drill bits and screwdriver bits with just one power tool, High-Torque Ready, Built to handle heavy-duty drilling without bending or snapping Tapered Web Reinforcement – Prevents breakage.

Widely Use: Can be used on steel, copper, aluminum, cast iron, zinc alloy, wood & plastic Perfect for DIY & Pros – Ideal for home repairs, workshop projects, and industrial work Impact-Rated – Handles high-torque drilling in tough materials. Please note that they are not suitable for glass concrete or ceramic materials. Pay attention to speed, pressure, and heat control when drilling.

Longer Lifespan: M35 Cobalt than standard HSS bits Stays Sharper, Maintains cutting edge even after repeated use Heat & Corrosion Resistant – Performs reliably under heavy-duty conditions.

Index Storage Case: Organization and quick access, no Missing Sizes and avoid frustration with a full range of bits for any drilling task.

Really Solid Hex Shank: Eliminates Wobbling & Chatter at the source, maintains overall consistency of the bit, and stays vertical during the work process.

Twist Design and Performance: Precise 135° Split Point, Prevent walking, clear chips and particles faster.Produced by precision fully ground which ensures chips move smoothly.