4-40 Drill Bits | McMaster-Carr

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5 Products

Fabricating and Machining

Tap, Die, and Drill Bit Kits

Tap, Die, and Drill Bit Kits

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

Tap and Drill Bit Kits

Tap and Drill Bit Kits

Drill holes and cut internal threads in a variety of sizes

Drill Bits

Create holes in metal, wood, plastic, concrete, and more

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