S-95155A347 1"-5 ASTM B16 Acme Lead Screws and Nuts
Acme Lead Screws and Nuts
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Basic Information
Thread Parameters
Dimension Parameters
Lead Screw Specific Parameters
Nut Parameters
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Key Features & Benefits at a Glance
- Superior corrosion resistance with 360 Brass construction for extended service life in harsh industrial environments
- Precise left-hand thread engagement with Class 2G fit ensures reliable anti-loosening performance in reverse-motion applications
- Consistent 0.2" linear travel per revolution delivers predictable motion control for automated systems
- Enhanced durability with Rockwell B75 hardness maintains thread integrity under repeated cycling
- Standard hex profile enables easy installation and removal with common wrench tools
- ASTM B16 compliance guarantees material quality and dimensional consistency across production batches
- Optimized Acme thread form provides smooth power transmission with reduced backlash in lead screw assemblies
Professional Applications & Engineering Value
This left-hand Acme thread brass nut solves critical positioning challenges in industrial machinery where reverse-thread configurations prevent unintended disengagement. The 360 Brass material offers natural lubricity and corrosion resistance, eliminating galling issues common in steel components while maintaining Rockwell B75 hardness for sustained accuracy. Engineered with Class 2G thread fit, it maintains precise clearance with mating screws in applications requiring controlled backlash, such as precision stages, valve actuators, and medical equipment. The 1"-5 Acme thread specification combined with 0.2" travel distance per turn makes it ideal for applications demanding predictable linear motion, while the left-hand orientation provides failsafe operation in rotating systems where right-hand threads would naturally loosen.
Specification Summary & Compliance
Manufactured to ASTM B16 standards for brass screw stock materials, this hex nut features Class 2G thread fit per ASME/ANSI B1.5 Acme thread specifications. The 1"-5 left-hand Acme thread maintains standard inch-series dimensional tolerances, while the hex nut configuration (1" height × 1-5/8" width) ensures compatibility with standard wrenching tools. Compliant with RoHS and REACH environmental directives for industrial use.
