Note Auction is for 4 pcs, not a set of 3 as shown in the photos
4 pieces of 304030-Delrin Anti-backlash, acme right hand nuts,
1/2-10, 5 start lead, .5 inch travel per revolution
Machined Flange as shown in the Photos.
Note: These nuts will not work with Single start threaded rod.
This item is for 4 pcs of 1/2-10 thread, five start, zero-backlash nuts, with wear compensation. The nuts are made in USA. Each revolution of the lead screw moves the nut .500 inch. These are made from acetyl copolymer (Delrin). Leadscrew not included. We use these on our CNC routers to get up to 300 inches per minute with our servo systems. They work great with stepper systems too. Fits McMaster-Carr part # 95072A145 or Enco Part #328-2562 or 328-2563