4-40 Drill Bits | McMaster-Carr

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Stainless Steel

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Tap Sizes Included

1 each of sizes 4-40, 6-32, 8-32, 10-24, 10-32, and 1/4"-20

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DFARS Specialty Metals

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Drill Bit Material

High-Speed Steel

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12 Products

Tap, Die, and Drill Bit Sets

Tap, Die, and Drill Bit Sets

Tap, Die, and Drill Bit Sets

Cut and repair internal and external threads and drill holes in many different sizes

Other Products

Tap and Drill Bit Sets

Tap and Drill Bit Sets

Drill holes and cut internal threads in a variety of sizes

Drill Taps

Drill and thread holes with the same bit

Threaded Inserts

Threaded Inserts

Create new threads or repair stripped threads

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)