12.5 mm 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")

For Use On

Length Class

Decimal Size Equivalent

Overall Length

Finish

Titanium Nitride (TiN) Coated

Drill Bit Point Type

Material

Shank Size

Shank Type

Flute Direction

Point Angle

Maximum Drilling Depth

For Drill Bit Size Decimal Equivalent

Number of Flutes

Thread Type

Flute Type

Thread Size

Length

Overall Width

For Drill Bit System of Measurement

Metric

Export Control Classification Number (ECCN)

REACH

RoHS

DFARS Specialty Metals

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