S-98935A779 2"-4 x 12" 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 Motion Control with 0.25" travel per turn for accurate positioning in automated systems
- Exceptional Durability from Grade 2 carbon steel construction providing 64,000 psi tensile strength for heavy-duty applications
- Superior Thread Engagement with Class 2G thread fit ensuring reliable performance and reduced backlash
- Optimized Wear Resistance through Rockwell B61 hardness for extended service life in demanding environments
- Versatile Installation with fully threaded right-hand design accommodating various mounting configurations
- Industry Compliance meeting ASTM A108 standards for consistent quality and performance
- Environmental Responsibility with RoHS 3 and REACH compliance for safe use in regulated industries
Professional Applications & Engineering Value
This 2"-4 ACME lead screw delivers exceptional engineering value in precision motion control systems where reliability and accuracy are paramount. The Grade 2 carbon steel construction, combined with the ACME thread form, provides optimal power transmission efficiency while resisting wear in continuous operation. The fully threaded design and right-hand thread direction make it ideal for CNC machinery, industrial automation, lifting equipment, and positioning systems requiring consistent 0.25" travel per turn. The robust construction addresses common industrial challenges including thread deformation, premature wear, and positioning inaccuracy, ensuring long-term performance in manufacturing, packaging, and material handling applications where precision motion control is critical.
Specification Summary & Compliance
This ACME lead screw features precise Class 2G thread fit tolerances with 2"-4 thread size and maintains dimensional accuracy per ASTM A108 manufacturing standards. The component delivers 64,000 psi tensile strength and Rockwell B61 hardness for reliable performance. Compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards, ensuring safe use across regulated industries while meeting international quality requirements for industrial motion control components.
