4.0 mm Drill Bits | McMaster-Carr

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55 Products

Fabricating and Machining

Drill Bits

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

Drill Stops

Limit how far bits can drill to create identical hole depths every time

Raw Materials

Steel

Strong, machinable, and weldable but lacks corrosion resistance

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