Bolt Extenders | McMaster-Carr

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System of Measurement

Thread Size

Material

Grade L5 Ceramic

Stainless Steel

Length

Gender

Hex Size

Thread Length

Shape

Threaded Insert Type

Hex Length

Threading

Partially Threaded

Threaded on Both Ends

Nut Type

With Sight Hole

Thread Pitch

Screw Size

Installed Length

Less than 0.25"

0.25" to 0.499"

10 mm to 19.9 mm

20 mm to 24.9 mm

25 mm or greater

RoHS

Compliant with Exemptions

DFARS Specialty Metals

Export Control Classification Number (ECCN)

REACH

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 Type

OD

Thread Fit

Metric Class 4H

Metric Class 4H5H

Metric Class 4H6H

Metric Class 5H

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

Unified Standard Class 3B

Finish

Dry Film Lubricated

Hot-Dipped Galvanized

Nickel Chrome Plated

Phosphate Coated

Zinc Flake Coated

Zinc Yellow-Chromate Plated

For Use In

Specifications Met

How can we improve?

13,104 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

Threaded Inserts

Threaded Inserts

Create new threads or repair stripped threads

Jack Screws

Secure computer cables and panels

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