S-1349K149 3/8"-12 x 3/4" Precision Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• High load capacity - Supports up to 350 lbs dynamic thrust for demanding industrial applications
• Precise linear motion - Delivers consistent 0.083" travel per turn for accurate positioning
• Durable PET plastic construction - Provides excellent wear resistance and smooth operation without lubrication
• Reliable thread engagement - Class 2C thread fit ensures consistent performance and reduced backlash
• Wide temperature tolerance - Operates effectively from 15° to 175° F in various industrial environments
• Environmental compliance - Meets RoHS 3 and REACH standards for safe use in regulated industries
• Standard right-hand threading - Compatible with common Acme lead screw systems for easy integration

Professional Applications & Engineering Value

This 3/8-12 Acme plastic nut delivers exceptional value in precision motion control systems where PET plastic construction provides inherent advantages over metal alternatives. The Class 2C thread fit with right-hand Acme threading ensures smooth, low-friction operation while maintaining precise positioning with each 0.083" travel increment. Engineers benefit from the combination of 350 lbs load capacity and plastic's natural vibration damping properties, making it ideal for packaging machinery, medical devices, and automation equipment where quiet operation and corrosion resistance are critical. The round nut design with 1.344" diameter offers stable mounting in various housing configurations, while the temperature range accommodates most industrial environments without performance degradation.

Specification Summary & Compliance

This precision Acme nut features 3/8-12 thread size with Class 2C thread fit per inch measurement standards, ensuring proper engagement with matching lead screws. The component maintains dimensional accuracy with 1.344" diameter and 3/4" length specifications. Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, confirming suitability for international markets and sensitive applications. The single thread start and 1:1 speed ratio provide straightforward integration into existing motion systems requiring reliable performance within specified temperature parameters.