31/64" Drill Bits | McMaster-Carr

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System of Measurement

Drill Bit Size

5/8" to 1 3/16"

1 1/2" to 2 1/16"

80 Ga. to 61 Ga.

80 Ga. to 1 Ga.

60 Ga. to 1 Ga.

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

Stainless Steel

Finish

Phosphate Coated

Titanium Aluminum Nitride (TiAlN) Coated

Titanium Nitride (TiN) Coated

Shank Size

Drill Bit Point Type

Decimal Size Equivalent

Overall Length

Material

18-8 Stainless Steel

Carbide-Tipped Steel

Shank Type

Flute Type

Point Angle

Sold As

Flute Direction

Maximum Drilling Depth

Number of Flutes

Thread Size

Thread Pitch

Bit Style

Export Control Classification Number (ECCN)

DFARS Specialty Metals

REACH

RoHS

Compliant with Exemptions

Diameter

Number of Pieces

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47 Products

Fabricating and Machining

Drill Bits

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

Drill Taps

Drill and thread holes with the same bit

Drill Bit Guides

Drill Bit Guides

Drill precise holes without building a fixture

Drill Stops

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

Raw Materials

Steel

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

Fastening and Joining

Threaded Inserts

Threaded Inserts

Create new threads or repair stripped threads

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)