Trapezoidal Lead Screw Features
Nook Industries offers the largest selection of rolled acme screw sizes in the industry. Rolled thread screws are cost effective and are stocked for quick delivery.

PowerAc™ Trapezoidal acme screws and nuts include a centralizing (C) thread form to prevent wedging and binding. When compared to general-purpose thread forms (G), centralizing threads are manufactured with tighter tolerances and reduced clearance on the major diameter.
Please choose from the following Trapezoidal Lead Screw categories
Please select a product below to proceed.
Product Info | Dimensions | Details | |||
Product | Screw Material | Thread Direction | D - Nominal Rod Diameter | Lead | Pitch [mm] |
PowerAC 903 RA | |||||
4140 Series | RH | 20 | 4 | 4 | |
PowerAC 903 RS | |||||
300 Series Stainless | RH | 20 | 4 | 4 | |
PowerAC 904 RA | |||||
4140 Series | RH | 26 | 6 | 6 | |
PowerAC 904 RS | |||||
300 Series Stainless | RH | 26 | 6 | 6 | |
PowerAC 905 RA | |||||
4140 Series | RH | 40 | 7 | 7 | |
PowerAC 905 RS | |||||
300 Series Stainless | RH | 40 | 7 | 7 | |
PowerAC 906 RA | |||||
4140 Series | RH | 55 | 12 | 12 | |
PowerAC 907 RA | |||||
4140 Series | RH | 65 | 12 | 12 |