15/64" x 12" Cobalt Aircraft Extension Drill Bit Shopify Collective • Size is marked both

• Size is marked both with a high-visibility laser marking and a permanent stamped marking that won't wear off • Shallow 12-point sockets provide an exact fit for 12-point fasteners • Radiused corners prevent fastener round-off by applying force to a fastener's flat sides

Drill Bit Information:

consistent surfaces

this process has a lower environmental impact since it doesn't require the use and disposal of chromium

A steel collar provides overstrike protection

15/64" x 12" Cobalt Aircraft Extension Drill Bit Shopify Collective • Size is marked bothProduct Description Cobalt drill bits are are effective in drilling tough, high tensile strength materials such as cast iron, inconel, stainless steel and titanium. They display high red hardness, permitting speeds up to 30% greater than with conventional M2 high speed steel. They have a 135 split point tip for fast penetration and accurate drilling. Compared to a conventional 118 degree tip, these drills wont go "walking" on you. Ideal for drilling