S-98935A925 1 1/2"-4 x 4 ft. ASTM A108 Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• Precise 0.25" linear movement per rotation for accurate positioning in automation and machinery
• High 64,000 PSI tensile strength withstands heavy loads and continuous operation without failure
• Class 2G thread fit with Acme threading ensures smooth engagement and reduced backlash in power transmission
• Carbon steel construction with Rockwell B61 hardness provides excellent wear resistance and long service life
• Full 4-foot length with right-hand threading offers versatile installation in various industrial setups
• Compliance with ASTM A108, RoHS 3, and REACH guarantees material consistency and environmental safety
• Grade 2 strength classification delivers reliable performance for general-purpose mechanical applications

Professional Applications & Engineering Value

This 1 1/2"-4 Acme lead screw is engineered to address critical motion control challenges in industrial environments. The carbon steel construction, combined with Acme thread type and Class 2G thread fit, minimizes friction and wear while maintaining precise linear motion under load. It is ideal for CNC machines, lifting equipment, and conveyor systems where consistent travel distance per turn of 0.25" is essential. The fully threaded design and right-hand thread direction ensure compatibility with standard nuts and mounting hardware, reducing assembly time and maintenance costs. With its robust tensile strength and hardness, this screw resists deformation and extends operational lifespan in demanding applications.

Specification Summary & Compliance

This product features a 1 1/2"-4 Acme thread size with Class 2G thread fit per industry standards, ensuring dimensional accuracy and reliable performance. It meets ASTM A108 specifications for material quality and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for use in regulated industries without hazardous substances.