S-93410A534 1 1/4"-5 x 3 ft. ASTM A193 Acme Lead Screws and Nuts

Acme Lead Screws and Nuts

1456FA00178 Acme Lead Screws and Nuts
1456FA00178 Acme Lead Screws and Nuts

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

Part No.
Part No. 1456FA00178
Equivalent to mcmaster :
93410A534

Basic Information

Component Lead Screw
Material Alloy Steel
Hardness Rockwell C35
RoHS RoHS 3 (2015/863/EU) Compliant
REACH REACH (EC 1907/2006) (01/17/2022, 223 SVHC) Compliant
Specifications Met ASTM A193

Thread Parameters

Thread Type Acme
Thread Direction Left Hand
Thread Size 1 1/4"-5
Threading Fully Threaded
Thread Fit Class 2G
System of Measurement Inch

Dimension Parameters

Length 3 ft.

Lead Screw Specific Parameters

Number of Thread Starts 1
Travel Distance per Turn 0.2"
Speed Ratio 1:1

Load & Performance Parameters

Tensile Strength 125000 psi
Fastener Strength Grade/Class ASTM Grade B7
Technical Drawings No drawings available at the moment, will be launched soon
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Key Features & Benefits at a Glance

  • Exceptional Load Capacity: With 125,000 psi tensile strength, this lead screw reliably handles high-stress applications without deformation.
  • Superior Wear Resistance: Rockwell C35 hardness ensures long-lasting performance in demanding industrial environments.
  • Precise Motion Control: 0.2" travel per turn delivers accurate linear positioning for automated systems.
  • Reliable Thread Engagement: Class 2G thread fit provides consistent performance with minimal backlash in power transmission systems.
  • Left-Hand Threading Advantage: Enables unique mechanical configurations and reverse motion applications.
  • Premium Material Construction: ASTM Grade B7 alloy steel offers excellent strength-to-weight ratio for durable operation.
  • Industry Compliance Ready: Meets ASTM A193 specifications and environmental standards (RoHS 3, REACH) for global deployment.

Professional Applications & Engineering Value

This 1 1/4"-5 ACME left hand lead screw solves critical engineering challenges in precision motion systems. The ASTM Grade B7 alloy steel construction provides the necessary durability for continuous operation in industrial automation, CNC machinery, and lifting equipment. The fully threaded ACME profile with Class 2G fit ensures smooth power transmission with minimal vibration, while the left-hand threading enables specialized applications requiring reverse motion or unique mechanical advantage. With 0.2" travel per turn, it delivers precise linear movement essential for positioning systems in manufacturing and material handling equipment, reducing maintenance downtime and improving operational efficiency.

Specification Summary & Compliance

This lead screw features 1 1/4"-5 ACME left-hand threads with Class 2G thread fit per industry standards. Manufactured from ASTM Grade B7 alloy steel meeting ASTM A193 specifications, it delivers 125,000 psi tensile strength and Rockwell C35 hardness. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use in global industrial markets.

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