M35 Cobalt Metric Drill bit Set 1mm-13mm/25pcs Drill Bits Suitable for Stainless Steel, Hard Metal, Cast Iron, Copper, Aluminum Plastic - style: 1mm-13mm/25pcs

About this item

• 【Cobalt drill bits Widely applicable】Cobalt drill bits for by are suitable for stainless steel, carbon, steel, cast iron, engineering steel, hard metals, copper, aluminum soft metals wood suitable for home handicraft scenes and professional work
• 【Rare element cobalt】Metal drill bits with 5% cobalt element improve hardness, high temperature resistance, durability and performance better than conventional drill bits Note that it does not apply with glass and ceramics
• 【Good Performance】135% Spiral Double Edge Cutting Sharp Corners Do Not Linger on the Surface, but Advance in a Predetermined Direction
• 【Metric mm drill bits set 】1.0mm,1.5mm,2mm,2.5mm,3mm,3.5mm,4mm,4.5mm,5mm,5.5mm,6mm,6.5mmm7mm,7.5mm,8mm,8.5mm,9mm,9.5mm,10mm,10.5mm,11mm,11.5mm,12mm,12.5mm,13mm drill bit A total of 25 round straight steel drills of different diameters Small sizes require attention to speed and temperature
• 【Sturdy Metal Storage Box】A storage box with size identification, made of metal that is sturdy and easy to carry, select and store

Overview

• Material: Cobalt
• Cutting Diameter: 1mm-13mm millimeters
• Finish Type: Uncoated
• Shank Type: Straight
• Cutting Angle String: 135° degrees