25 Piece Cobalt Steel Drill Bits Set 1-13mm

25 Piece Cobalt Steel Drill Bits Set 1-13mm

• 135-degree self-centering split pointed tip combines active cutting and perfect centering without wandering. The split-point tip also eliminates any need to pre-punch or pilot drill for up to 10 mm.
• These twist drill set are fully ground so that its cutting diameter is seriously accurate. The lifespan is prolonged in comparison to non-ground alternatives(roll forged bits). A smooth bit surface allows for nice clean holes.
• Cobalt Steel Drill Bits Made of high-quality high-speed steel for durability and cutting efficiency.
• 25 piece metric drill bits sized from 1mm up to 10mm in 0.5mm increment(1, 1.5, 2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 6, 6.5, 7, 7.5, 8, 8.5, 9, 9.5, 10, 10.5, 11, 11.5, 12.5, 13 mm). The bits are well packed in an index red metal case for easy picking, transportation, and storage.
• Classic twist flute, designed for general drilling in plastic, wood and soft metals like aluminum, iron, etc. It has a cylindrical shank system (shank equal to drill bit diameter) and is intended for use in drill stands and drill drivers.

Cobalt Steel Drill Bits Specification