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#11 x 12" Cobalt Aircraft Extension Drill Bit - High Performance & Durable Cutting Tool | Drill AmericaCobalt 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 where extra length

Pieces in Set: 2

Shape: Square

Size: 2-1/8"-10

Drill America - #8-48 UNS HSS Bottoming Tap

Size: 3-5/8"-8

Size: 3-1/2"

Get the Drill America - 5/16-30 UNS HSS Tap Set and experience the perfect combination of performance and protection for your professional needs

Size: 3-13/16"

Choose the Drill America - 5/8-82 HSS 4 Flute Machine Countersink for unmatched reliability and performance

Size: 1-9/16"-20

Why Choose Drill America - 1-5/8 Precison Made Lathe Mandrel

Weight: Lightweight for ease of handling