WIERTŁA GWINTUJĄCE Twist Drill Bit Set Akcesoria do narzędzi elektrycznych

HIGH-QUALITY MATERIALS: The drill is made of high-quality material, durable and practical to use. The center of the product has sharp serrations, and with their help, the drill can continue drilling horizontally after drilling.

SURFACE ELECTROPHORETIC PAINT PROCESS: Full-grinding and anti-rust treatment, clean and sharp without burrs.The cobalt drill bit set for hardened steel has excellent cutting performance, the bit set can be used for a long time, the cutting edge is hardened and sharpened for sharpness, with superior sharpness, precise cutting without shaking.

Fully ground spiral groove design: Fully ground spiral groove design rapidly reduces friction and heat for faster, cooler drilling performance. The 135 degree split point with straight shank prevents walking and makes drilling accurate and faster. A center punch is not required.

WIDE USAGE: Suitable for cutting hard metal such as stainless steel, steel, and cast iron, as well as wood, aluminum alloy, and other softer metals, including tile, concrete, tile, brick, wood, plastic, glass, masonry, and more.

6 DIFFERENT SIZES: Suitable for your different needs.It Can be installed in the general electric hand drill, bench drill. The machine drill clamp range is 10mm and above.