4-40 Taps | McMaster-Carr

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66 Products

Fabricating and Machining

Taps

Cut internal threads for fasteners, pipe, conduit, and more

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 Die Kits

Tap and Die Kits

Cut and repair internal and external threads in many 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

Fastening and Joining

Threaded Inserts

Threaded Inserts

Create new threads or repair stripped threads

Locknuts

Hold fasteners in place to prevent loosening from vibration

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