S-98935A405 1/4"-16 x 6 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 linear motion control with 0.063" travel per turn for accurate positioning in automated systems
- Exceptional durability from Grade 2 carbon steel construction with 64,000 psi tensile strength and Rockwell B61 hardness
- Reliable left-hand thread operation for specialized applications requiring reverse-direction movement
- Consistent performance ensured by Class 2G thread fit tolerance for smooth engagement with mating components
- Extended reach capability with fully threaded 6-foot length for long-travel applications
- Industry-standard compliance meeting ASTM A108 specifications for guaranteed quality and interoperability
- Environmentally responsible manufacturing with RoHS 3 and REACH compliance for global regulatory acceptance
Professional Applications & Engineering Value
This 1/4"-16 Left Hand Acme Lead Screw delivers critical engineering advantages in precision motion control systems where reverse-direction operation is essential. The Grade 2 carbon steel construction provides optimal strength-to-weight ratio while the Acme thread form offers superior load distribution compared to standard V-threads. The fully threaded 6-foot length enables extended linear travel in industrial automation, CNC positioning, and material handling equipment. The left-hand threading is particularly valuable in applications requiring counter-rotational movement or where multiple screw systems must operate in opposition. With 0.063" travel per turn, this lead screw provides precise incremental movement ideal for positioning tables, lifting mechanisms, and precision adjustment systems where accuracy and repeatability are paramount.
Specification Summary & Compliance
This Acme lead screw features 1/4"-16 left-hand threads with Class 2G thread fit tolerance ensuring proper clearance for smooth operation. Manufactured from Grade 2 carbon steel with 64,000 psi tensile strength and Rockwell B61 hardness, it meets ASTM A108 material specifications. The screw is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, making it suitable for use in regulated industries and international markets.
