S-93255A487 1 1/4"-5 x 12" ASTM A108 Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• Precise 0.2" travel per turn enables accurate positioning and repeatable motion control in automated systems
• Grade 2 carbon steel construction provides excellent tensile strength (53,000 PSI) for reliable performance under heavy loads
• Zinc plating surface treatment offers superior corrosion resistance, extending service life in demanding industrial environments
• Class 2G thread fit ensures smooth engagement with mating components while maintaining proper clearance for efficient operation
• Rockwell B61 hardness rating delivers optimal wear resistance for long-term durability in continuous operation applications
• ASTM A108 compliance guarantees consistent material quality and manufacturing standards for engineering reliability
• Fully threaded 12" length design provides maximum flexibility for various mounting configurations and linear motion requirements

Professional Applications & Engineering Value

This 1 1/4"-5 ACME lead screw delivers exceptional performance in precision motion control systems where accuracy and durability are paramount. The zinc plated carbon steel construction combined with Grade 2 strength rating (53,000 PSI tensile) ensures reliable operation in industrial automation, CNC machinery, and material handling equipment. The single-start ACME thread design provides consistent 0.2" travel per revolution, making it ideal for applications requiring precise linear positioning without backlash concerns. The Class 2G thread fit offers the perfect balance between smooth operation and necessary clearance, reducing wear while maintaining accuracy over extended service life. Engineered to meet ASTM A108 specifications, this fully threaded lead screw solves critical engineering challenges in manufacturing environments where consistent performance and minimal maintenance are essential requirements.

Specification Summary & Compliance

This precision ACME lead screw features a 1 1/4"-5 thread size with Class 2G thread fit tolerance, ensuring proper engagement with mating components. The right-hand, single-start thread configuration delivers consistent 0.2" travel distance per complete revolution. Manufactured from zinc plated carbon steel with Rockwell B61 hardness and 53,000 PSI tensile strength, the component fully complies with ASTM A108 material specifications. The 12" fully threaded length provides complete design flexibility for various linear motion applications while maintaining dimensional accuracy throughout the entire screw length.