ACME Thread Nuts

ACME thread nuts have a 29° trapezoidal thread. It is stronger than a standard V thread and is built to move a load along a threaded rod rather than just clamp it. That makes ACME nuts the right choice for lead screws, jacks, vises, clamps and valve stems. We stock standard hex and heavy hex ACME nuts in plain steel to pair with our ACME threaded rod.

Specifications

Thread: ACME, right hand, general purpose class 2G
Standard hex sizes: 3/8"-12 through 1-1/2"-4
Heavy hex sizes: 1/2"-10, 5/8"-8, 3/4"-6 and 1"-5 (wrench size listed on each item)
Material: plain steel (1-1/8"-5 is U.S.A. made)

Common Uses

Lead screws and linear motion
Screw jacks, presses and vises
Gate and valve stems
Adjusting mechanisms on machinery

FAQ

Will an ACME nut fit a standard threaded rod?
No. ACME and standard (UNC/UNF) threads have different shapes and pitches, so they are not interchangeable. Match the diameter and threads per inch to your ACME rod, for example 1/2"-10 or 3/4"-6.

Should I choose standard hex or heavy hex?
Heavy hex ACME nuts are larger across the flats and thicker. That gives more thread engagement and a bigger wrench surface, which helps with heavier loads and frequent adjustment.

Free shipping on orders over $100, and orders placed before noon EST ship the same day. Purchase orders are accepted from government agencies, schools, hospitals, municipalities and companies with established credit with The Nutty Company, Inc.