1Pcs Cobalt Hex Drill Bits HSSCO M35 Twist Quick Change Impact Driver Tools for Stainless Steel Cast Iron Sheet Metal(4.8mm 3PCS)

Micro Drill BitsSize Available1.5/2/2.5/2.8/3/3.2/3.5/3.8/4/4.2/4.5/4.8/5/5.2/5.5/6/6.5/7/7.5/8/8.5/9/9.5/10/11/12/13mm. Hex drill bit sets are built for general purpose applications, such as DIY projects, home maintenance and MRO (Maintenance, Repair and Operations). Working materials include stainless steel, mild steel, copper, aluminum, zinc alloy, cast iron, wood and plastics.HSSCO M35 CobaltCobalt High speed steel (HSSCO) with classic surface treatment gives Hex drill bits great durability and prolongs 3 times longer life than ordinary drill bits without coating.135 Degrees Split Point and Parabolic Flute Easy Cut Split Point design makes drilling easy with less pressure and prevents drill bits walking on the working surface. Fully ground modified parabolic twist flute design clears chips quickly, decreases friction and heat damage.Quick Change Solid Hex Shank1/4" (6.35mm) hex shank fits into standard power tools and impact drivers.

• Micro Drill Bits