7/16" Drill Bits | McMaster-Carr

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Counterbores

Drill Bit Guides

Drill Bit Sharpeners

Drill Bit Size Gauges

Tap and Drill Bit Stands

Tap, Drill Bit, and Reamer Sets

Taps

Threaded Inserts

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

Bit Style

Finish

Titanium Aluminum Nitride (TiAlN) Coated

Titanium Nitride (TiN) Coated

Drill Bit Point Type

Shank Size

Overall Length

Material

Maximum Drilling Depth

Decimal Size Equivalent

Point Angle

Length

Sold As

Number of Flutes

Flute Direction

Flute Type

Number of Sizes

For Material Thickness

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

Yes

Export Control Classification Number (ECCN)

EAR99

RoHS

Compliant

Compliant with Exemptions

Not Compliant

DFARS Specialty Metals

REACH

154 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

22 products

High-Speed Steel Step Drill Bits

Simplify jobs by drilling multiple hole sizes using a single bit

12 products

Cobalt Steel Drill Bits

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

12 products

Cobalt Steel Step Drill Bits

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

4 products

Carbide-Tipped Drill Bits for Masonry and Concrete

Crush tough materials to make holes in masonry

9 products

Carbide Drill Bits

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

5 products

Carbide-Tipped Drill Bits

Stronger than cobalt and high-speed steel, bits stay sharp at high temperatures

5 products

Quick-Change Hex High-Speed Steel Drill Bits

Save time when you need to change bits frequently

2 products

Reduced-Shank High-Speed Steel Drill Bits

Make large holes using standard-size tools

2 products

Chip-Clearing High-Speed Steel Drill Bits

Prevent clogs and dissipate heat when drilling most metals

7 products

High-Speed Steel Drill Bits for Plastic

Penetrate gradually to prevent cracking and chipping

1 product

Short-Flute High-Speed Steel Drill Bits

The rigidity of short-length bits without sacrificing reach

2 products

High-Speed Steel Precise-Cut Drill Bits for Wood

Point stays sharp longer to cut accurate straight and overlapping holes

1 product

Coolant-Fed Carbide Drill Bits

The hardest and most wear-resistant bits deliver coolant to reduce heat and evacuate chips

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

Carbide-Tipped Drill Bits for Wire Installation

Make holes in wood, masonry, and concrete walls and feed wiring through them

2 products

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

Tapping Screw Installation Drill Bits for Masonry and Concrete

Slightly smaller than the screw size for a tight fit after installation

3 products

Carbide Drill Bits for Hardened Steel

The hardest and most wear-resistant bits handle the heavy pressure needed to penetrate hardened steel

2 products

Carbide Drill Bits for Carbon Fiber, Fiberglass, and Graphite

Drill abrasive materials cleanly

1 product

Short-Flute Carbide-Tipped Drill Bits

Our strongest short-flute bits stay sharp when drilling abrasive materials, such as titanium

2 products

Precise-Cut High-Speed Steel Drill Bits

Produce holes so precise that you don’t need to finish them with a reamer

1 product

Steel Precise-Cut Drill Bits for Wood

Cut accurate straight and overlapping holes, even across the grain

1 product

Chip-Clearing Drill Bits for Wood

Prevent clogs that wear the bit and slow down drilling

1 product

Carbide-Tipped Drill Bits for Hardened Steel

Straight flutes withstand the heavy pressure needed to penetrate hardened steel

1 product

Fast-Cutting Smooth-Finish Drill Bits for Wood

Create less friction and heat buildup than other smooth-finish bits to run faster and last longer

1 product

Smooth-Finish Carbide Drill Bits

More cutting edges for a consistent finish

1 product

Smooth-Finish Drill Bits for Wood

Multiple teeth cut away large amounts of material to bore clean, flat-bottom holes

3 products

Chip-Clearing Cobalt Steel Drill Bits for Nickel and Stainless Steel

Aggressively cut difficult-to-machine metals without clogging

1 product

Rebar-Cutting Carbide-Tipped Drill Bits

No need to move the hole when you encounter rebar in concrete

1 product

Drill Bits for Glass and Ceramic

Smoothly drill fragile materials so they don't chip or crack

3 products

Hole-Starting Carbide Drill Bits

Harder and last longer than cobalt steel, bits create an accurate starting place in your workpiece

1 product

Left-Hand High-Speed Steel Drill Bits

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

2 products

Chip-Clearing Cobalt Steel Drill Bits

Avoid clogs and dissipate heat with bits that last at least twice as long as high-speed steel

2 products

Drill Bits for Wood

Make rough holes in wood

1 product

Drill Bits for Paper and Fabric

Razor-sharp cutting for binding documents and sample swatches

1 product

Short-Flute Cobalt Steel Drill Bits

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

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

Chip-Clearing Carbide-Tipped Drill Bits for Masonry and Concrete

Lift dust and debris out of the hole more quickly than standard masonry bits

1 product

Impact Wrench High-Speed Steel Step Drill Bits

Use high torque to drill multiple hole sizes with just one bit

10 products

Impact Wrench High-Speed Steel Drill Bits

Cut holes twice as fast as a power drill

9 products

Other Products

Tap and Drill Bit Stands

Organize taps and drill bits by size

1 product

Drill Bit Sharpeners

Sharpen steel, high-speed steel, cobalt steel, and carbide spiral bits

3 products

Drill Bit Size Gauges

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

1 product

Drill Bit Guides

Drill precise holes without building a fixture

2 products

Drill Stops

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

2 products

Counterbores

Enlarge the top of a hole to install socket and hex head screws flush with the surface

5 products

Threaded Inserts

Create new threads or repair stripped threads

2 products

Drill Taps

Drill and thread holes with the same bit

1 product

Steel

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

3 products

Tap, Drill Bit, and Reamer Sets

The fastest way to prepare holes with a hand tool

9 products

Taps

Cut internal threads for fasteners, pipe, conduit, and more

8 products