# 38 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")

Decimal Size Equivalent

Length Class

Finish

Titanium Aluminum Nitride (TiAlN) Coated

Titanium Nitride (TiN) Coated

For Use On

Drill Bit Point Type

Material

For Drill Bit Size Decimal Equivalent

Shank Type

Point Angle

Shank Size

Flute Direction

Height

Sold As

Overall Length

For Use With

Diameter

Flute Type

Thread Size

Length

Maximum Drilling Depth

DFARS Specialty Metals

Compliant

Exempt

Export Control Classification Number (ECCN)

RoHS

REACH

36 Products

Fabricating and Machining

Drill Bits

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

30 products

Drill Bit Guides

Drill precise holes without building a fixture

1 product

Drill Taps

Drill and thread holes with the same bit

1 product

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

2 products