Bolt Couplings | McMaster-Carr

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System of Measurement

Thread Size

Length

Material

Grade 5 Titanium

Stainless Steel

Threading

Partially Threaded

Threaded on Both Ends

Fastener Strength Grade/Class

ASTM Grade A325

ASTM Grade A490

Finish

Corrosion-Resistant Coated

Hot-Dipped Galvanized

Nickel Chrome Plated

Phosphate Coated

Zinc Flake Coated

Zinc Yellow-Chromate Plated

Head Width

Gender

Thread Pitch

Hex Size

Thread Spacing

Drive Style

Specifications Met

Fed. Spec. FF-S-85

Thread Length

Thread Type

Tensile Strength

Less than 10,000 psi

10,000 psi to 19,999 psi

20,000 psi to 39,999 psi

40,000 psi to 99,999 psi

100,000 psi or greater

Thread Fit

Metric Class 6g

Metric Class 6G

Metric Class 6h

Metric Class 6H

Unified Standard Class 1B

Unified Standard Class 2A

Unified Standard Class 2B

Unified Standard Class 3A

Head Height

Thread Direction

Shape

DFARS Specialty Metals

RoHS

Compliant with Exemptions

REACH

Export Control Classification Number (ECCN)

Screw Features

Tension Indicating

How can we improve?

20,021 Products

Fastening and Joining

Coupling Nuts

Connect and extend threaded rods

Thread Adapters

Thread Adapters

Join threads of a different type, size, and gender

Hex Head Screws

Hex Head Screws

Used with nuts to create a stronger joint than flat and rounded screws

10,249 products

Standoffs

Separate, position, or connect components in assemblies

Material Handling

Screw Conveyors

Screw Conveyors

Push material through fixed troughs

Power Transmission

Shaft Adapters

Increase or reduce your shaft's diameter to fit equipment, or replace damaged shaft ends

Rod End Nuts

Attach to rods, pipe, and tubing to make pivot and hinge points

Lead Screw Nuts

Lead Screw Nuts

Mate with lead screws to move components in a straight line

Fluid Handling

Hose and Hose Fittings

Hose and Hose Fittings

Flexible and stronger than tubing; often used to convey liquids and gases under pressure

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