S-99030A445 1 1/4"-5 x 3 ft. Precision Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• High Tensile Strength – Withstands up to 64,000 psi for reliable performance in demanding motion control systems.
• Precision Travel Accuracy – Maintains ±0.009" per foot tolerance, ensuring consistent linear movement and repeatability.
• Durable 1018 Carbon Steel Construction – Offers excellent wear resistance and Brinell 126 hardness for long service life.
• Class 2C Thread Fit – Provides smooth engagement with nuts, reducing backlash in left-hand thread applications.
• 0.2" Travel per Turn – Delivers efficient linear displacement ideal for precise positioning tasks.
• Full RoHS 3 & REACH Compliance – Meets environmental regulations, safe for use in various industrial settings.
• Fully Threaded, Single-Start Design – Ensures uniform force distribution and simplified assembly in linear actuators.

Professional Applications & Engineering Value

This 1 1/4"-5 Left Hand Acme Lead Screw is engineered to address critical needs in precision motion control and linear actuation systems. Made from 1018 Carbon Steel, it provides superior strength and durability, resisting deformation under high loads. The Acme thread type and Class 2C fit ensure minimal play and smooth operation, which is vital for applications like CNC machinery, automated positioning, and industrial clamping where accuracy is paramount. Its left-hand threading allows for unique mechanical configurations, preventing unintended loosening in rotating assemblies. With a travel distance of 0.2" per turn and tight accuracy tolerances, it reduces cumulative error in long-stroke applications, enhancing overall system reliability and reducing maintenance downtime.

Specification Summary & Compliance

This lead screw features a 1 1/4"-5 Acme thread with Class 2C thread fit for standard clearance applications. It is manufactured to precise dimensional standards, including a travel accuracy of ±0.009" per foot. The component is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets environmental and safety requirements for industrial use. Tensile strength is rated at 64,000 psi, and material hardness is Brinell 126, confirming adherence to robust performance criteria.