UNC Drill Bits | McMaster-Carr

Filter by

System of Measurement

Thread Size

For Use On

Stainless Steel

Thread Type

For Hole Type

Component

Shank Type

Number of Pieces

Sold As

Chamfer Type

Thread Pitch

Number of Drill Bits

Die Sizes Included

Drill Bit Material

High-Speed Steel

Drill Bit Size

Tap Sizes Included

1 each of sizes 1/4"-20, 5/16"-18, 3/8"-16, 7/16"-14, and 1/2"-13

1 each of sizes 4-40, 6-32, 8-32, 10-24, 10-32, and 1/4"-20

1 each of sizes 6-32, 6-40, 8-32, 8-36, 10-24, 10-32, 12-24, 12-28, 1/4"-20, 1/4"-28

1 each of sizes 6-32, 8-32, 10-24, 10-32, 1/4-20, 5/16-18, 3/8-16, 7/16-14, and 1/2-13

1 each of sizes 6-40, 8-36, 10-24, 10-32, 1/4-28, 5/16-24, 3/8-24, 7/16-20, and 1/2-20

5/16"-18, 5/16"-24, 3/8"-16, 3/8"-24, 7/16"-14, 7/16"-20, 1/2"-13, and 1/2"-20

Number of Taps

Container Type

Pipe Size

Maximum Tapping Depth

Number of Flutes

Flute Type

Export Control Classification Number (ECCN)

REACH

DFARS Specialty Metals

RoHS

Compliant with Exemptions

How can we improve?

145 Products

Fabricating and Machining

Tap, Die, and Drill Bit Sets

Tap, Die, and Drill Bit Sets

Cut and repair internal and external threads and drill holes in many different sizes

Tap and Drill Bit Sets

Tap and Drill Bit Sets

Drill holes and cut internal threads in a variety of sizes

Taps

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

Drill Taps

Drill and thread holes with the same bit

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.)