S-99030A576 1"-8 x 6 ft. Precision Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• Exceptional Load-Bearing Capacity - With 64,000 psi tensile strength and Brinell 126 hardness, this lead screw withstands heavy-duty mechanical stresses without deformation.
• Precision Movement Control - Maintains ±0.009" per foot travel accuracy for reliable positioning in automated systems and machinery.
• Optimized Power Transmission - 0.125" travel distance per turn delivers consistent mechanical advantage with minimal backlash in power transmission applications.
• Superior Thread Engagement - Class 2C thread fit ensures smooth operation with compatible nuts while accommodating minor misalignments in industrial assemblies.
• Durable Material Construction - Manufactured from 1018 carbon steel for excellent wear resistance and long service life in demanding environments.
• Reverse Motion Capability - Left-hand ACME threading provides counter-directional movement options for specialized mechanical configurations.
• Full-Length Threading - Fully threaded 6-foot length offers maximum flexibility in mounting positions and adjustment ranges.

Professional Applications & Engineering Value

This 1"-8 Left Hand ACME Lead Screw delivers critical performance in precision motion control systems where reverse-direction operation and high load capacity are essential. The 1018 carbon steel construction combined with ACME threading provides optimal strength-to-weight ratio for industrial automation, CNC machinery, and lifting equipment. Engineers specify this component for applications requiring predictable travel distance per turn (0.125") with minimal deviation (±0.009" per ft.), ensuring repeatable positioning in manufacturing processes. The left-hand thread direction enables unique mechanical designs in conveyor systems, clamping devices, and precision adjustment mechanisms where standard right-hand threads are impractical. With Class 2C thread fit and fully threaded design, installation flexibility meets rigorous industrial demands while maintaining consistent power transmission efficiency.

Specification Summary & Compliance

This precision ACME lead screw features 1"-8 left-hand thread with Class 2C fit per ASME B1.5 standards, ensuring proper clearance for smooth operation. The 6-foot length maintains dimensional stability with single thread start configuration and 1:1 speed ratio. Manufacturing complies with industrial specifications for tensile strength (64,000 psi) and hardness (Brinell 126), suitable for power transmission applications requiring consistent mechanical performance. Component meets standard material and threading specifications for industrial machinery applications.