UNC Drill Bits | McMaster-Carr

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System of Measurement

Thread Size

For Use On

Stainless Steel

Thread Type

For Hole Type

Component

Flute Type

Sold As

Shank Type

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

Die Sizes Included

Number of Pieces

Chamfer Type

Thread Pitch

Drill Bit Material

High-Speed Steel

Number of Flutes

Drill Bit Size

Container Type

Material

18-8 Stainless Steel

Shape

Export Control Classification Number (ECCN)

REACH

DFARS Specialty Metals

RoHS

Compliant with Exemptions

Pipe Size

Number of Drill Bits

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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.)