Cobalt Steel Drill Bits | McMaster-Carr

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Drill Bit Sizes Included

1.0 mm and 1.5 mm

1.0-13.0 mm (increments of 0.5 mm)

1/16"-1/2" (increments of 1/32")

1/16"-1/2" (increments of 1/64")

1/16"-1/4" (increments of 1/64")

1/16"-3/8" (increments of 1/64")

2.0-10.0 mm (increments of 0.5 mm)

2.0-13.0 mm (increments of 0.5 mm)

2.0-7.0 mm (increments of 0.5 mm)

6.0-10.0 mm (increments of 0.1 mm)

9/16"-1" (increments of 1/16")

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1,749 Products

Fabricating and Machining

Drill Bits

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

Hollow-Core Cutters

Hollow-Core Cutters

Use in magnetic-base drills to form burr-free holes by only cutting the outside edge of a hole

Center Drills

Drill cone-shaped openings in workpieces to mount them between centers on your lathe

End Mills

Cut and shape material to create precise slots, grooves, and profiles

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