Specifications:

• Lead screw material: 304 stainless steel
• Right handed.
• Single start. 2 mm per turn
• Each rod comes with ONE anti-backlash Nut (one nut contains three parts: front nut, spring and rear nut)
• Brass Anti-backlash Nut:
• Each rod comes with one matching anti-backlash nut. But please note there are at least two common types of 8mm lead screws. One is 2mm pitch 4-start (8mm per turn), the other is 2mm pitch single start (2mm per turn). We have anti-backlash nuts for both types.

Nut features:

• Self-compensating. Spring tension keeps tight tolerance even after lead screw or brass nut wears out
• Adjustable preload. (from 4 N to 8 N with stock spring, higher preload could be achieved by substituting stock spring with stiffer spring)
• Dimension: Please refer to the drawings
• Materials: 360 Brass and steel spring
• Weight: 44 g

We are in Spring, TX (Greater Houston Area). We are still OPEN and SHIPPING. 90% of the orders will be shipped within the next business day via USPS, UPS or Fedex.