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")

Length Class

For Use On

Decimal Size Equivalent

Drill Bit Point Type

Overall Length

Material

Finish

Titanium Nitride (TiN) Coated

Shank Type

Shank Size

Flute Direction

Maximum Drilling Depth

Point Angle

Sold As

Length

Number of Flutes

Thread Type

Metric

For Drill Bit Size Decimal Equivalent

Bit Style

Overall Width

REACH

Export Control Classification Number (ECCN)

EAR99

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Yes

RoHS

Compliant

Not Compliant

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

Machine Tool Cabinets

Organize and store taps, drill bits, and end mills in labeled compartments

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