12.5 mm Drill Bits | McMaster-Carr

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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")

System of Measurement

For Use On

Length Class

Decimal Size Equivalent

Finish

Titanium Nitride (TiN) Coated

Overall Length

Shank Size

Drill Bit Point Type

Material

Shank Type

Point Angle

Maximum Drilling Depth

Flute Direction

For Drill Bit Size Decimal Equivalent

Flute Type

Number of Flutes

For Drill Bit System of Measurement

Overall Width

Thread Type

Bit Style

DFARS Specialty Metals

Compliant

Exempt

Export Control Classification Number (ECCN)

REACH

RoHS

Thread Size

27 Products

Fabricating and Machining

Drill Bits

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

22 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

Containers, Storage, and Furniture

Cabinets

Store objects on enclosed shelves

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