S-93410A419 1/2"-8 x 3 ft. ASTM A193 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: Delivers consistent 0.125" travel per turn for accurate positioning in automated systems.
- Exceptional Durability: Made from ASTM Grade B7 alloy steel with 125,000 psi tensile strength to withstand heavy loads and repetitive use.
- Optimized Thread Engagement: Class 2G thread fit ensures smooth operation and reduced wear in high-duty cycles.
- Left-Hand Threading Advantage: Enables counter-clockwise motion for specialized applications requiring reverse-direction drive.
- Enhanced Hardness: Rockwell C35 hardness provides superior resistance to deformation and abrasion.
- Full-Length Threading: 3-foot fully threaded design allows for continuous travel and flexible mounting options.
- Regulatory Compliance: Meets RoHS 3 and REACH standards for safe use in regulated industries.
Professional Applications & Engineering Value
This left-hand Acme lead screw is engineered for demanding motion control systems where precision and reliability are critical. The ASTM Grade B7 alloy steel construction, combined with Acme threading, provides excellent load-bearing capacity and resistance to backlash, making it ideal for CNC machinery, lifting equipment, and industrial automation. The fully threaded 3-foot length offers versatile installation, while the Class 2G thread fit ensures minimal friction and long service life. Its left-hand thread direction is particularly valuable in applications requiring reverse-threaded components to prevent loosening under torque. Compliant with ASTM A193, this screw meets rigorous industry standards for high-stress environments.
Specification Summary & Compliance
This lead screw features a 1/2"-8 Acme thread with Class 2G thread fit for precise tolerances. It is manufactured from ASTM Grade B7 alloy steel with a tensile strength of 125,000 psi and Rockwell C35 hardness. The product complies with ASTM A193 specifications and is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, ensuring adherence to environmental and safety regulations.
