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

Master 321MDSET29 29-Piece High-Speed Steel Mechanic's Length Drill Bit Assortment, Black and Bronze Oxide Finish, Three-Flat Shank, 135-Degree Split Point, 1/16" to 1/2" Size in 1/64" Increments

Chicago Latrobe 157 Series High-Speed Steel Short Length Drill Bit Set with Metal Case, Uncoated (Bright) Finish, 118 Degree Conventional Point, Inch, 29-piece, 1/16" - 1/2" in 1/64" increments

Dormer A191 High Speed Steel Jobber Length Drill Bit Set with Metal Case, Black Oxide Finish, 118 Degree Conventional Point, Metric, 20 piece, 0.3 mm 1.0 mm in 0.05 mm Increments + 0.38, 0.52, 0.58, 0.78, 0.82 mm

Chicago Latrobe 120X Series High-Speed Steel Extra-Long Length Drill Bit Set In Plastic Pouch, Black Oxide Finish, 118 Notched Point, Inch, 25-piece, 1/8" - 1/2" in 1/64" increments

Dormer A191 High Speed Steel Jobber Length Drill Bit Set with Plastic Case, Black Oxide Finish, 118 Degree Conventional Point, Metric, 13 piece, 1.5 mm to 6.5 mm in 0.5 mm Increments + 3.3, 4.2 mm

Precision Twist C60R18 High Speed Steel Jobber Length Drill Bit Set with Metal Case, Black Oxide Finish, 118 Degree Conventional Point, Wire Size, 60 piece, #60 to #1

Precision Twist C26R42 High Speed Steel Short Length Drill Bit Set, Uncoated (Bright) Finish, 118 Degree Conventional Point, Letter Size, 26 piece, A to Z

2nd Chance Industrial Supply Up for Sale:

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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)

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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

Precision Twist C60M41CO Cobalt Steel Short Length Drill Bit Set with Metal Case, Gold Oxide Finish, 135 Degree Split Point, Wire Size, 60 piece, #60 to #1

Chicago Latrobe 120 High-Speed Steel Long Length Drill Bit, Black Oxide Finish, Round Shank, 118 Degree Conventional Point, Wire Size #55 (Pack of 12)

Cleveland 950E High Speed Steel Extra Long Length Drill Bit, Black Oxide, Round Shank, 118 Degree Notched Point, 1/4" Dia. x 12" Lg (Pack of 1)