S-98980A670 1/2"-10 x 6 ft. Precision Acme Lead Screws and Nuts

Precision Acme Lead Screws and Nuts

1458FA00346 Precision Acme Lead Screws and Nuts
1458FA00346 Precision Acme Lead Screws and Nuts

Image may differ from product. See technical specification for details.

Part No.
Part No. 1458FA00346
Equivalent to mcmaster :
98980A670

Basic Information

Component Lead Screw
Material 304 Stainless Steel
Hardness Brinell 150
RoHS RoHS 3 (2015/863/EU) Compliant

Thread Parameters

Thread Type Acme
Thread Direction Left Hand
Thread Size 1/2"-10
Threading Fully Threaded
Thread Fit Class 2C
System of Measurement Inch

Dimension Parameters

Length 6 ft.

Lead Screw Specific Parameters

Number of Thread Starts 1
Travel Distance per Turn 0.1"
Accuracy for Travel Distance per Turn ±0.009" per ft.
Speed Ratio 1:1

Load & Performance Parameters

Tensile Strength 72000 psi
Technical Drawings No drawings available at the moment, will be launched soon
In Stock
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Key Features & Benefits at a Glance

  • Superior corrosion resistance with 304 Stainless Steel construction, ideal for harsh industrial environments and extending service life.
  • Exceptional travel accuracy of ±0.009" per foot ensures reliable, repeatable positioning in high-precision linear motion systems.
  • High tensile strength of 72,000 psi provides robust load-bearing capacity and resistance to deformation under stress.
  • Durable Brinell 150 hardness offers excellent wear resistance, maintaining thread integrity over long-term use.
  • Left-hand ACME threading with Class 2C fit enables specialized motion control applications requiring reverse-direction movement.
  • RoHS 3 compliance ensures environmental safety and meets stringent international regulatory standards.
  • Fully threaded 6-foot length allows for versatile installation and flexible stroke lengths in various assembly setups.

Professional Applications & Engineering Value

This 1/2"-10 Left Hand Acme Lead Screw is engineered to solve critical challenges in precision linear motion systems where reliability and accuracy are paramount. The 304 Stainless Steel material provides excellent corrosion resistance, making it suitable for applications in manufacturing, packaging, and automation equipment exposed to moisture or chemicals. The left-hand ACME thread with a Class 2C fit is specifically designed for scenarios requiring counter-directional movement or synchronization with right-hand threads, preventing unintended loosening. With a travel accuracy of ±0.009" per foot and 72,000 psi tensile strength, it ensures consistent performance in high-load, high-precision environments such as CNC machines, medical devices, and precision actuators, reducing downtime and maintenance costs.

Specification Summary & Compliance

This lead screw adheres to Class 2C thread fit standards, ensuring proper clearance for smooth operation in ACME threaded assemblies. It features a 1/2"-10 thread size, single-start design, and is fully threaded along its 6-foot length. Manufactured from 304 Stainless Steel, it complies with RoHS 3 (2015/863/EU) regulations, guaranteeing it is free from hazardous substances. The product meets industry benchmarks for dimensional accuracy and is suitable for use in systems requiring inch-based measurement and reliable linear motion performance.

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