15/32" 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

Shank Type

Length Class

Finish

Titanium Aluminum Nitride (TiAlN) Coated

Titanium Nitride (TiN) Coated

Drill Bit Point Type

Bit Style

Shank Size

Decimal Size Equivalent

Sold As

Material

Overall Length

Point Angle

Maximum Drilling Depth

Number of Flutes

Flute Type

Short

Spiral

Straight

Reamer Fractional Size

Drill Bit Sizes Included

1/4", 5/16", 25/64", and 15/32" Hole-Starting Bits

3/8", 1/2", 5/8", and 3/4" Hole-Enlarging Bits

Flute Direction

Length

Number of Pieces

REACH

RoHS

Export Control Classification Number (ECCN)

EAR99

DFARS Specialty Metals

51 Products

About Drill Bits

Compare material, finish, length class, and decimal size equivalents.

Drill Bits

Sold Individually

High-Speed Steel Drill Bits

Cut holes in a variety of metals, from the softest aluminum to the hardest steel

14 products

High-Speed Steel Step Drill Bits

Simplify jobs by drilling multiple hole sizes using a single bit

3 products

Cobalt Steel Step Drill Bits

One bit drills multiple hole sizes and lasts twice as long as high-speed steel

1 product

Cobalt Steel Drill Bits

Tough and wear resistant to last at least twice as long as high-speed steel bits

6 products

High-Speed Steel Precise-Cut Drill Bits for Wood

Point stays sharp longer to cut accurate straight and overlapping holes

1 product

Carbide Drill Bits

The hardest and most wear-resistant drill bits you can buy

3 products

Reduced-Shank High-Speed Steel Drill Bits

Make large holes using standard-size tools

2 products

Left-Hand Cobalt Steel Drill Bits

The flutes spiral in the opposite direction of other bits and stay sharp longer than high-speed steel

1 product

High-Speed Steel Drill Bits for Plastic

Penetrate gradually to prevent cracking and chipping

1 product

Carbide Drill Bits for Sheet Metal

The hardest and most wear-resistant bits make shallow cuts without snagging and deforming thin metal and tubing

1 product

Carbide-Tipped Drill Bits for Hardened Steel

Straight flutes withstand the heavy pressure needed to penetrate hardened steel

1 product

Chip-Clearing High-Speed Steel Drill Bits

Prevent clogs and dissipate heat when drilling most metals

5 products

Short-Flute High-Speed Steel Drill Bits

The rigidity of short-length bits without sacrificing reach

2 products

Carbide Drill Bits for Carbon Fiber, Fiberglass, and Graphite

Drill abrasive materials cleanly

1 product

Short-Flute Cobalt Steel Drill Bits

Combine the toughness and wear resistance of cobalt with short flutes for rigidity

1 product

Left-Hand High-Speed Steel Drill Bits

Remove stripped screws with flutes that spiral in reverse from other bits

1 product

Chip-Clearing High-Speed Steel Drill Bits for Aluminum, Brass, and Bronze

Wide flutes clear chips from soft metals that can gum up other drill bits

1 product

Sold as Sets

Hole-Enlarging Reduced-Shank Drill Bit Sets

An alternative to reamers for enlarging an existing drilled hole

1 product

Other Products

Drill Bit Guides

Drill precise holes without building a fixture

1 product

Drill Bit Size Gauges

Match your drill bit to one of the holes to confirm its size

1 product

Drill Stops

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

1 product

Steel

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

2 products