40 ga Drill Bits | McMaster-Carr

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System of Measurement

Drill Bit Size

0.35 mm to 2.5 mm (Increments of 0.05 mm)

1", 1 1/32", 1 1/16", 1 1/8", 1 5/32", 1 3/16", 1 1/4", 1 5/16", 1 3/8", 1 7/16", 1 1/2"

1.0 mm to 10.0 mm (Increments of 0.5 mm)

1.0 mm to 13.0 mm (Increments of 0.5 mm)

1.0 mm to 5.9 mm (Increments of 0.1 mm)

1.0 mm to 6.9 mm (Increments of 0.1 mm)

1.0 mm to 7.0 mm (Increments of 0.5 mm)

1/16" to 1/2" (Increments of 1/64")

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

1/16" to 1/4" (Increments of 1/64")

1/16" to 3/8" (Increments of 1/64")

1/2" to 1" (Increments of 1/64")

1/64" to 1/4" (increments of 1/64")

2.6 mm to 10.0 mm (Increments of 0.1 mm)

6.0 mm to 10.0 mm (Increments of 0.1 mm)

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

33/64" to 63/64" (Increments of 1/64")

Length Class

Short

Jobbers

Extended

Decimal Size Equivalent

0.098"

Finish

Black Oxide

Carbide Tipped

Titanium Aluminum Nitride (TiAlN) Coated

Titanium Nitride (TiN) Coated

For Use On

Shank Size

Material

Drill Bit Point Type

Point Angle

Shank Type

Overall Length

Flute Direction

For Drill Bit Size Decimal Equivalent

Maximum Drilling Depth

Flute Type

Sold As

Thread Size

For Use With

Removable Drill Bushings

Taps

Threaded Drill Bushings

REACH

Length

RoHS

Export Control Classification Number (ECCN)

EAR99

Bit Style

Fluted

DFARS Specialty Metals

Number of Flutes

42 Products

Fabricating and Machining

Drill Bits

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

34 products

Drill Bit Guides

Drill precise holes without building a fixture

3 products

Drill Bit Extensions

Expand the reach of drill bits to get into deep and hard-to-reach spots

2 products

Drill Stops

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

1 product

Measuring and Inspecting

Drill Bit Size Gauges

Match your drill bit to one of the holes to confirm its size

1 product

Raw Materials

Steel

Strong, machinable, and weldable—all with material certificates for traceability

1 product