5/16"-18 Couplings | McMaster-Carr

Filter by

Thread Size

Material

Stainless Steel

Gender

Hex Length

Length

Nut Type

With Sight Hole

System of Measurement

Thread Length

Hex Size

Threading

Partially Threaded

Threaded on Both Ends

Width

Finish

Zinc Flake Coated

For Adapting

Thread Direction

Shape

Thread Type

DFARS Specialty Metals

REACH

Export Control Classification Number (ECCN)

RoHS

Compliant with Exemptions

Tensile Strength

40,000 psi to 99,999 psi

100,000 psi or greater

Thread Fit

Metric Class 6g

Metric Class 6H

Unified Standard Class 2A

Unified Standard Class 2B

Unified Standard Class 3A

Drive Style

Fastener Strength Grade/Class

Hardness

Specifications Met

Thread Direction

How can we improve?

410 Products

Fastening and Joining

Thread Adapters

Thread Adapters

Join threads of a different type, size, and gender

Coupling Nuts

Connect and extend threaded rods

Standoffs

Threaded to separate or connect parts as well as position components in assemblies

Power Transmission

Rod Alignment Couplers

Rod Alignment Couplers

Reduce wear on bearings and seals by flexing when the cylinder and load aren't precisely even

Building and Machinery Hardware

T-Slotted Framing Fasteners

T-Slotted Framing Fasteners

Secure brackets and other accessories to T-slotted rails

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