S-99030A981 1/4"-16 x 18" Precision Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• Superior positioning accuracy with ±0.009" per foot tolerance for reliable, repeatable motion control in automated systems.
• Consistent 0.063" linear travel per revolution ensures predictable movement and simplifies mechanical design calculations.
• Durable 1018 Carbon Steel construction provides excellent strength and wear resistance for long service life in industrial environments.
• Class 2C thread fit offers optimal clearance for smooth operation with ACME nuts while maintaining precise engagement.
• Fully threaded 18" length enables flexible mounting options and accommodates various travel requirements in linear motion systems.
• Right-hand ACME threading delivers efficient power transmission with standard direction compatibility for most applications.
• Environmental compliance assurance with RoHS 3 and REACH certification for global market acceptance and responsible manufacturing.

Professional Applications & Engineering Value

This high-precision ACME lead screw solves critical positioning challenges in industrial automation, CNC machinery, and precision measurement equipment. The 1018 Carbon Steel construction provides the necessary durability for continuous operation, while the ACME thread profile offers superior load distribution compared to standard V-threads. Engineers benefit from the consistent 0.063" travel distance per turn which eliminates calculation errors in motion control systems. The Class 2C thread fit ensures smooth operation with minimal backlash when paired with matching ACME nuts, making this fully threaded lead screw ideal for applications requiring precise linear motion with moderate speed and high reliability. The right-hand threading provides standard direction control compatible with most industrial drive systems.

Specification Summary & Compliance

This precision component features 1/4"-16 ACME threading with Class 2C thread fit per established industry standards, ensuring proper clearance and engagement. The screw delivers 0.063" travel distance per turn with ±0.009" per foot accuracy for precise linear positioning. Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, confirming adherence to global substance restriction requirements for industrial components.