S-98935A417 1/2"-8 x 3 ft. ASTM A108 Acme Lead Screws and Nuts
Acme Lead Screws and Nuts
Image may differ from product. See technical specification for details.
Basic Information
Thread Parameters
Dimension Parameters
Lead Screw Specific Parameters
Load & Performance Parameters
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
Key Features & Benefits at a Glance
- Precise linear motion control with 0.125" travel per turn for accurate positioning in automated systems
- Exceptional durability and wear resistance from Grade 2 carbon steel construction with Rockwell B61 hardness
- Reliable left-hand thread operation for specialized applications requiring reverse direction movement
- Consistent performance maintained through Class 2G thread fit and fully threaded 3-foot length
- High load-bearing capability supported by 64,000 psi tensile strength for demanding industrial environments
- Standardized compatibility with ACME 1/2"-8 thread profile meeting ASTM A108 specifications
- Environmental compliance assurance with RoHS 3 and REACH standards for global manufacturing applications
Professional Applications & Engineering Value
This 1/2"-8 ACME left-hand thread lead screw delivers critical engineering solutions for linear motion systems requiring reverse-direction operation. The Grade 2 carbon steel construction provides optimal strength-to-weight ratio while the ACME thread form ensures smooth power transmission with minimal backlash. Engineers specify this component for precision positioning in industrial automation, CNC machinery, and material handling equipment where the left-hand threading enables unique mechanical configurations. The fully threaded design along the entire 3-foot length allows for maximum flexibility in mounting and engagement with matching nuts. With 0.125" travel per turn, this lead screw offers predictable movement for repeatable processes, while the Class 2G thread fit maintains consistent performance under varying load conditions.
Specification Summary & Compliance
This ACME lead screw features precise 1/2"-8 left-hand threads with Class 2G fit per industry standards. Manufactured from Grade 2 carbon steel with 64,000 psi tensile strength and Rockwell B61 hardness, the component meets ASTM A108 material specifications. Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) ensures environmental responsibility. The single thread start design and fully threaded 3-foot length provide consistent performance across industrial applications requiring reliable linear motion components.
