S-98935A426 5/8"-6 x 3 ft. ASTM A108 Acme Lead Screws and Nuts
Acme Lead Screws and Nuts
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Basic Information
Thread Parameters
Dimension Parameters
Lead Screw Specific Parameters
Load & Performance Parameters
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Key Features & Benefits at a Glance
- Precise positioning control with 0.167" travel per turn for accurate linear motion in automation systems
- Exceptional durability from Grade 2 carbon steel construction with 64,000 psi tensile strength for heavy-duty applications
- Reliable left-hand thread operation for specialized machinery requiring reverse direction movement
- Consistent performance ensured by Class 2G thread fit tolerance for smooth engagement with mating components
- Reduced maintenance requirements thanks to Rockwell B61 hardness providing excellent wear resistance
- Environmental compliance with RoHS 3 and REACH standards for global manufacturing applications
- Full-length threading for maximum engagement flexibility across the entire 3-foot length
Professional Applications & Engineering Value
This 5/8"-6 left hand Acme lead screw delivers critical engineering advantages in precision motion control systems where reverse-direction operation is essential. Manufactured from Grade 2 carbon steel and heat-treated to Rockwell B61 hardness, it provides the optimal balance between machinability and wear resistance for industrial environments. The fully threaded design with single-start configuration ensures consistent force distribution across the entire 3-foot length, while the Class 2G thread fit maintains precise alignment with mating nuts. Engineered to ASTM A108 specifications, this Acme threaded screw solves common challenges in CNC machinery, lifting equipment, and automated positioning systems where backlash reduction and predictable 0.167" travel per turn are critical for operational efficiency.
Specification Summary & Compliance
This Acme lead screw features 5/8"-6 left-hand threading with Class 2G fit tolerance and single-start configuration, delivering 0.167" travel distance per revolution. Manufactured from Grade 2 carbon steel with 64,000 psi tensile strength and Rockwell B61 hardness, it complies with ASTM A108 material specifications. The product meets RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) environmental standards, ensuring suitability for regulated industrial applications worldwide.
