5/16" x 12" Cobalt Aircraft Extension Drill Bit Shopify Collective • Precise Bit Geometry –

• Precise Bit Geometry – The bit tip is machined to precise tolerances for an exact fit with hex fasteners • Optimal Two-Piece Design – We use separate steel alloys and processes for the bit and socket

Part Number: 12C3600ROD2Z

Alloy Flat Socket Head Cap Screws

Tekton T-handle keys have two ends—both a star long arm for spinning out fasteners

5/16" x 12" Cobalt Aircraft Extension Drill Bit Shopify Collective • Precise Bit Geometry –Product 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