UNC Reducers | McMaster-Carr

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System of Measurement

Thread Size

Material

Stainless Steel

Threaded Insert Type

Thread Type

UN/UNF (SAE 45°)

UN/UNF (SAE Straight)

For Use In

Installed Length

Less than 0.25"

0.25" to 0.499"

10 mm to 19.9 mm

Pipe Size

Shape

Drill Bit Size

End Type

Thread Direction

Gender

Hex Length

Thread Length

Finish

Dry Film Lubricated

Neoprene Coated

Phosphate Coated

Tin Zinc Plated

Zinc Yellow-Chromate Plated

Hex Size

Helical Insert Style

Nut Type

Thread Spacing

Length

DFARS Specialty Metals

Export Control Classification Number (ECCN)

RoHS

Compliant with Exemptions

REACH

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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

Rivet Nuts

Add threads to thin panels with access from only one side; also known as blind inserts

Screw-Mount Nuts

Screw-Mount Nuts

Mount with screws, rivets, and nails to add threads to a surface

Socket Nuts

Install in recessed holes and tight spots where a wrench won’t fit; also known as Allen nuts

Studs

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

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