S-98940A406 1/2"-10 x 6 ft. Precision Acme Lead Screws and Nuts

Key Features & Benefits at a Glance

• High Tensile Strength - Withstands up to 125,000 psi for reliable performance in heavy-duty applications
• Superior Wear Resistance - Hardened 4140 alloy steel with Brinell 271 hardness ensures extended service life
• Precision Motion Control - Maintains ±0.009" per foot accuracy for consistent positioning and repeatability
• Corrosion-Resistant Protection - Black-oxide surface treatment provides enhanced durability in harsh environments
• Optimized Thread Design - Class 2C thread fit with single-start ACME threading ensures smooth operation and reduced backlash
• Left-Hand Threading Capability - Enables specialized motion control configurations and reverse-direction applications
• Environmental Compliance - RoHS 3 compliant for use in regulated industries and international markets

Professional Applications & Engineering Value

This high-precision ACME lead screw delivers exceptional value in demanding industrial applications where accuracy and durability are paramount. The hardened 4140 alloy steel construction with black-oxide surface treatment provides superior resistance to wear and corrosion, making it ideal for CNC machinery, automated positioning systems, and precision manufacturing equipment. The left-hand ACME threading with Class 2C thread fit ensures reliable performance in specialized motion control scenarios, while the ±0.009" per foot accuracy guarantees consistent positioning in linear actuation systems. The fully threaded design and 1:1 speed ratio make this component perfect for applications requiring precise linear motion conversion with minimal maintenance requirements.

Specification Summary & Compliance

This precision lead screw features 1/2"-10 ACME left-hand threading with Class 2C thread fit tolerance, ensuring proper engagement and smooth operation. The component maintains dimensional accuracy of ±0.009" per foot for travel distance and delivers 125,000 psi tensile strength with Brinell 271 hardness. Manufactured from hardened 4140 alloy steel with black-oxide coating, this lead screw is fully compliant with RoHS 3 (2015/863/EU) regulations and meets industrial standards for precision motion control components.