S-6350K45 3/4"-8 x 2" Fast-Travel Ultra-Precision Lead Screws and Nuts

Key Features & Benefits at a Glance

• Fast-travel efficiency with 0.25" travel per turn and 2:1 speed ratio for rapid linear motion in automation systems
• High dynamic load capacity supporting up to 350 lbs thrust for reliable performance in demanding industrial applications
• Superior wear resistance from acetal plastic construction providing excellent durability and smooth operation
• Precision rounded Acme threading ensuring smooth engagement and reduced friction with lead screws
• Easy flange mounting with 3 pre-drilled holes for simple installation and secure positioning
• Chemical and corrosion resistance inherent to acetal material for long service life in harsh environments
• Environmental compliance meeting RoHS 3 and REACH standards for global manufacturing applications

Professional Applications & Engineering Value

This acetal plastic flange nut delivers exceptional performance in fast-travel lead screw systems where precision and speed are critical. The rounded Acme thread design (3/4"-8, right hand) minimizes friction and wear while maintaining precise positioning in automated equipment, CNC machines, and linear motion systems. With 9700 psi tensile strength and 350 lbs dynamic thrust capacity, this nut provides reliable operation in high-cycle applications where metal alternatives might cause galling or require lubrication. The integrated flange with 3 mounting holes simplifies installation while ensuring stable alignment, making it ideal for packaging machinery, medical devices, and precision positioning systems demanding clean, maintenance-free operation.

Specification Summary & Compliance

This precision flange nut features 3/4"-8 rounded Acme threads with right-hand direction and 2:1 speed ratio. Critical dimensions include 1.125" diameter, 2" length, and 0.25" travel per turn. The flange measures 1 51/64" diameter with 1/4" thickness and includes 3 mounting holes (13/64" diameter) on 1 7/16" bolt circle. Manufactured from acetal plastic with 9700 psi tensile strength and 350 lbs dynamic thrust capacity. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards for industrial use.