UNC Reducers | McMaster-Carr

Filter by

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

System of Measurement

Pipe Size

For Tap Thread Size

End Type

Drill Bit Size

Gender

For Material Thickness

0.000" to 0.197"

0.010" to 0.075"

0.010" to 0.080"

0.010" to 0.085"

0.015" to 0.050"

0.015" to 0.094"

0.015" to 0.156"

0.015" to 0.437"

0.016" to 0.188"

0.020" to 0.079"

0.020" to 0.085"

0.020" to 0.100"

0.020" to 0.118"

Shape

Thread Direction

Helical Insert Style

Thread Length

Hex Length

Hex Size

Finish

Dry Film Lubricated

Neoprene Coated

Phosphate Coated

Tin Zinc Plated

Zinc Yellow-Chromate Plated

Nut Type

Thread Spacing

RoHS

Compliant with Exemptions

DFARS Specialty Metals

Export Control Classification Number (ECCN)

REACH

How can we improve?

1,907 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

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.)