1/4"-20 Drill Bits | McMaster-Carr

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Die Sizes Included

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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

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

5/16"-24

6-32

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

Maximum Tapping Depth

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RoHS

Compliant with Exemptions

Not Compliant

Export Control Classification Number (ECCN)

EAR99

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

Yes

DFARS Specialty Metals

REACH

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Drill Bit Size

33 Products

Fabricating and Machining

Tap, Die, and Drill Bit Sets

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

1 product

Tap and Drill Bit Sets

Drill holes and cut internal threads in a variety of sizes

8 products

Taps

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

1 product

Drill Taps

Drill and thread holes with the same bit

6 products

Friction Drill Bits

Pair with friction drills to melt holes that have an outer lip in sheet metal

2 products

Countersink Drill Bits

A single bit drills and creates an angled surface so oval and flat screw heads sit flush

1 product

Fastening and Joining

Threaded Inserts

Create new threads or repair stripped threads

10 products

Building and Machinery Hardware

T-Slotted Framing and Fittings

The most versatile system, attach fittings along the continuous slots to build virtually anything

3 products