5/16"-18 Adapters | McMaster-Carr

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System of Measurement

Thread Size

Hex Length

Material

Grade 2 Titanium

Stainless Steel

Gender

Thread Length

Hex Size

For Adapting

Thread Direction

Length

Shape

Thread Type

UN/UNF (SAE Straight)

Fitting Type

Export Control Classification Number (ECCN)

REACH

RoHS

Compliant with Exemptions

DFARS Specialty Metals

Drive Style

Tensile Strength

Less than 40,000 psi

40,000 psi to 49,999 psi

60,000 psi to 99,999 psi

100,000 psi or greater

Finish

Phosphate Coated

Pitch

Thread Fit

Metric Class 6g

Metric Class 6H

Unified Standard Class 1A

Unified Standard Class 1B

Unified Standard Class 2A

Unified Standard Class 2B

Unified Standard Class 3A

Unified Standard Class 3B

Nut Type

Pipe Size

Specifications Met

Screw Size

Hardness

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498 Products

Fastening and Joining

Thread Adapters

Thread Adapters

Join threads of a different type, size, and gender

Threaded Inserts

Threaded Inserts

Create new threads or repair stripped threads

Tube-Connecting Nuts

Tube-Connecting Nuts

Push inside tubes to join them with a threaded stud instead of welding

Weld Nuts

Weld to metal surfaces to add permanent threads

Adhesive-Mount Nuts

Adhesive-Mount Nuts

Attach threads to material that’s too thin for a threaded insert

Studs

Press, weld, or screw in place to add a threaded fastening point

Electrical

Battery Terminal Adapters

Battery Terminal Adapters

Convert one battery terminal style to another

Battery Terminal Fasteners

Battery Terminal Fasteners

Replace bolts in battery terminals

Building and Machinery Hardware

Leveling Mount Inserts

Leveling Mount Inserts

Slip onto equipment and furniture to add threaded-stud leveling feet

Fluid Handling

Manifolds

Distribute air or fluid to multiple places from a single source; also called headers

Fabricating and Machining

Pipe Threader Dies

Pipe Threader Dies

Install in the die head on your Ridgid pipe threader to cut external pipe and conduit threads

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)