1/2 in drill bit extension for sale, brand-new and used.

New Irwin 13 Piece Speedbor Wood Drill Bit Set Specifications: Blue Groove makes for faster chip removal Double cutting spurs scribe the hole reducing breakout 10% larger shank adds durability Grooved quick change shank prevents slipping when used in a drill chuck or bit extension Set includes

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New 2pc #30 Wire Size Aircraft Extension Drill Bit 6" Overall Length Made in USA (More pictures at bottom of page)

This Precision Twist C15R10P jobber length drill bit set contains 15 high-speed steel drill bits, including inch sizes 1/16" through 1/2" in 1/32" increments, with an uncoated (bright) finish and a 118-degree conventional point for use in general-purpose applications on a range of materials, especially soft metals. High-speed steel (HSS) provides hardness for wear resistance, and the uncoated (bright) finish provides an untreated surface.

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Item ..................... Extra Length Twist Drill Bit deep pocket aircraft extension Manufacturer .... Ace Drill Corporation Adrian Michigan USA Made in the US America Model ..................

The Drillco 400 series jobber length drill bit is made from high-speed steel with a black oxide finish and has a 135-degree split point with a heavy-duty web construction for drilling cotter pin holes and cross holes in heads of bolts made of stainless steel and other hard materials. The jobber length drill bit has a versatile midrange drilling depth. High-speed steel (HSS) provides hardness for wear resistance, and the black oxide finish reduces wear while promoting chip and coolant flow.

Dormer A191 High Spe