UNC Drill Bits | McMaster-Carr

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For Use On

Stainless Steel

Thread Type

UN/UNF (SAE Straight)

UNJ/UNJF (SAE Straight)

For Hole Type

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Installation Tool

Die Sizes Included

Chamfer Type

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Number of Pieces

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Number of Drill Bits

Tap Sizes Included

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

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

1 each of sizes ¼"-20, 5/16"-18, 3/8"-16, ½"-13, and 5/8"-11

1 each of sizes ½"-13, 5/8"-11, ¾"-10, and 1"-8

1/4"-20, 5/16"-18, 3/8"-16, 1/2"-13, 5/8"-11

Drill Bit Size

Material

18-8 Stainless Steel

Carbide-Tipped High-Speed Steel

Number of Taps

Drill Bit Material

High-Speed Steel

Pipe Size

Shape

RoHS

Compliant with Exemptions

Export Control Classification Number (ECCN)

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

DFARS Specialty Metals

REACH

Threaded Insert Type

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178 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

Tap, Drill Bit, and Reamer Sets

Tap, Drill Bit, and Reamer Sets

The fastest way to prepare holes with a hand tool

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.)