5/16"-18 Drill Bits | McMaster-Carr

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Die Sizes Included

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Sold As

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 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

Container Type

Pipe Size

Maximum Tapping Depth

Export Control Classification Number (ECCN)

EAR99

RoHS

Compliant

Compliant with Exemptions

Not Compliant

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

Yes

REACH

Compliant

Not Compliant

DFARS Specialty Metals

Exempt

Not Compliant

Shape

Hex

Drill Bit Sizes Included

1 each of sizes 5/16", 25/64", 27/64", 29/64", 36 ga, 33 ga., 25 ga., 21 ga., 16 ga., 15 ga., 7 ga., 3 ga., F, I, Q, and U

1/4"

2 each of size 29 ga.

34 Products

Fabricating and Machining

Tap, Die, and Drill Bit Sets

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

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Tap and Drill Bit Sets

Drill holes and cut internal threads in a variety of sizes

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Taps

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

1 product

Drill Taps

Drill and thread holes with the same bit

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Countersink Drill Bits

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

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Friction Drill Bits

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

2 products

Fastening and Joining

Threaded Inserts

Create new threads or repair stripped threads

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Building and Machinery Hardware

T-Slotted Framing and Fittings

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

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