S-95270A551 1"-6 ASTM B16 Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 360 Brass construction, ideal for harsh industrial environments and extended service life.
• Precise left-hand Acme threading (1"-6) with Class 2G fit ensures smooth, reliable engagement and reduced backlash in motion control systems.
• Optimized travel efficiency with 0.167" per turn and single-start thread design for consistent linear motion and accurate positioning.
• Durable mechanical performance backed by Rockwell B55 hardness, providing excellent wear resistance and long-term reliability.
• Square nut design (1" height x 1 5/8" width) offers secure mounting and easy integration into various assembly configurations.
• Compliance with ASTM B16 standards guarantees material quality and dimensional consistency for dependable industrial use.
• Versatile left-hand thread application enables specialized setups where reverse motion or unique mechanical advantage is required.

Professional Applications & Engineering Value

This 1"-6 left-hand Acme brass square nut delivers critical engineering value in precision linear motion systems. Crafted from 360 Brass, it inherently resists corrosion and galling, addressing common failure points in high-cycle applications. The Acme thread form with Class 2G fit provides optimal clearances for smooth operation with minimal friction, while the left-hand thread direction is essential for counter-rotating mechanisms, jacks, and clamping devices. With a Rockwell B55 hardness, it withstands repetitive loads without deformation, ensuring longevity in lead screw assemblies for CNC machinery, valve actuators, and automated positioning equipment. Its 0.167" travel per turn offers predictable movement, crucial for precision-driven industrial automation and motion control solutions.

Specification Summary & Compliance

This nut features a 1"-6 left-hand Acme thread with Class 2G fit per standard inch thread tolerances, ensuring precise engagement and operational reliability. Manufactured from 360 Brass in accordance with ASTM B16 specifications, it meets rigorous material and dimensional standards. The product conforms to industry-accepted practices for Acme lead screws and nuts, with a single-start thread design and square nut configuration (1" height x 1 5/8" width) for consistent performance. While not rated for specific thrust loads, it is engineered for general industrial use and is compliant with relevant material safety standards, including RoHS and REACH, for safe integration into various mechanical systems.