S-95365A606 1"-4 x 2" Precision Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• Reverse Motion Capability - Left-hand Acme thread enables counter-clockwise tightening and reverse motion applications without compromising performance
• Precision Movement Control - 0.25" travel per turn provides consistent, predictable linear motion for accurate positioning in mechanical systems
• Enhanced Durability - Cast iron construction with Brinell 217 hardness ensures long service life and resistance to wear in demanding industrial environments
• Optimized Thread Engagement - Class 2C thread fit offers sufficient clearance for smooth operation while maintaining reliable load transfer capabilities
• Environmental Compliance Ready - RoHS 3 and REACH compliant for global manufacturing applications without regulatory concerns
• Robust Load Distribution - 2.984" diameter round nut design provides substantial bearing surface for even stress distribution
• Simplified Installation - Single start thread configuration ensures straightforward assembly and disassembly in maintenance operations

Professional Applications & Engineering Value

This left-hand Acme thread nut delivers exceptional value in applications requiring reverse motion mechanisms and precise linear control. The cast iron construction with Brinell 217 hardness provides superior wear resistance in high-cycle operations, while the Class 2C thread fit ensures smooth operation with adequate clearance for lubrication retention. Engineers specify this component for clamping systems, reverse-motion actuators, and precision positioning equipment where the 0.25" travel per turn offers predictable movement in automated machinery. The single start thread design maintains consistent lead accuracy, making it ideal for applications requiring reliable reverse-threading solutions in industrial automation, machine tools, and material handling systems where durability and precision are paramount.

Specification Summary & Compliance

This precision Acme lead screw nut features a 1"-4 left-hand thread with Class 2C fit per ANSI/ASME B1.5 standards, ensuring proper clearance for smooth operation. The component maintains dimensional accuracy with 2" length, 2.984" diameter, and consistent 0.25" travel per turn. Manufacturing compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, meeting current environmental standards for industrial components. The cast iron material provides Brinell 217 hardness for durable performance in mechanical power transmission applications requiring reverse motion capability.