S-1349K137 5/8"-8 x 1 1/4" Precision Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• High load handling capability - Supports dynamic thrust loads up to 1000 lbs for demanding industrial applications
• Precision motion control - Delivers consistent 0.125" travel per turn for accurate positioning
• Durable PET plastic construction - Provides excellent wear resistance and smooth operation without lubrication
• Left-hand thread design - Enables reverse motion applications and specialized mechanical systems
• Class 2C thread fit - Ensures proper clearance and reliable performance in inch system assemblies
• Wide temperature tolerance - Operates effectively from 15° to 175°F in various environmental conditions
• Environmental compliance - Meets RoHS 3 and REACH standards for safe use in regulated industries

Professional Applications & Engineering Value

This 5/8-8 ACME left-hand thread plastic nut delivers exceptional engineering value in motion control systems where precision and reliability are critical. The PET plastic construction provides inherent lubricity, reducing friction and eliminating the need for additional lubricants in sensitive environments. The Class 2C thread fit ensures optimal clearance for smooth operation while maintaining positional accuracy. This round nut design is particularly valuable in applications requiring reverse motion capabilities, such as clamping systems, positioning tables, and automated equipment where left-hand threading provides mechanical advantages. The component's ability to handle 1000 lb dynamic thrust loads makes it suitable for industrial automation, packaging machinery, and material handling systems where consistent performance under load is essential.

Specification Summary & Compliance

This precision ACME nut features 5/8-8 left-hand ACME threads with Class 2C thread fit per inch system standards, ensuring proper clearance and reliable engagement. The component delivers 0.125" travel distance per turn with a 1:1 speed ratio for precise linear motion control. Manufactured from PET plastic, this round nut operates within a temperature range of 15° to 175°F. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, meeting current environmental standards for industrial components.