2pcs 300mm（11.81 inches）tr8x8 lead screw with t8 brass nut (acme thread, 2mm pitch, 4 starts, 8mm lead) for lcd dlp sla 3d printer z axis and cnc machine built for smooth motion, steady alignment, and clean installs for CNC, automation, and

2Pcs 300Mm Inches Tr8X8 made for smooth installs and clean fit
✔️ 2pcs 300mm（11.81 inches）tr8x8 lead screw with t8 brass nut (acme thread, 2mm pitch, 4 starts, 8mm lead) for

This 2 pack is meant for clean replacement or upgrade work where fit and smooth operation matter.

✅ Features:
✅ Material: sus304 stainless steel lead screw + copper nut
✅ Lead screw length: 300mm
✅ Lead screw diameter:8mm
✅ Screw pitch: 2mm

💡 How do you choose end supports to keep a ballscrew aligned under load?
Quick answer: match pitch, travel length, and support style to your axis load and speed.
* Pitch controls feed rate and torque demand
* Proper end supports keep alignment tight under load
* Good lubrication cuts heat and wear over time

Built to keep motion smooth and accuracy steady during long production runs.