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

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Die Sizes Included

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Number of Drill Bits

Drill Bit Material

Carbon Steel

Cobalt Steel

High-Speed Steel

Number of Taps

Pipe Size

1/8

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

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.

Maximum Tapping Depth

Export Control Classification Number (ECCN)

EAR99

REACH

Compliant

Not Compliant

DFARS Specialty Metals

Exempt

Not Compliant

RoHS

Compliant

Compliant with Exemptions

Not Compliant

Number of Flutes

Shape

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39 Products

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

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Drill holes and cut internal threads in a variety of sizes

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

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Drill and thread holes with the same bit

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

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

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Create new threads or repair stripped threads

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

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