S-95365A629 3/8"-16 x 3/4" Precision Acme Lead Screws and Nuts

Precision Acme Lead Screws and Nuts

1458FA00191 Precision Acme Lead Screws and Nuts
1458FA00191 Precision Acme Lead Screws and Nuts

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Part No.
Part No. 1458FA00191
Equivalent to mcmaster :
95365A629

Diameter 1.344"

Basic Information

Component Nut
Material Cast Iron
Hardness Brinell 217
RoHS RoHS 3 (2015/863/EU) Compliant
REACH REACH (EC 1907/2006) (01/17/2022, 223 SVHC) Compliant

Thread Parameters

Thread Type Acme
Thread Direction Left Hand
Thread Size 3/8"-16
Thread Fit Class 2C
System of Measurement Inch

Dimension Parameters

Length 3/4"

Lead Screw Specific Parameters

Number of Thread Starts 1
Travel Distance per Turn 0.063"
Speed Ratio 1:1

Nut Parameters

Nut Type Round
Technical Drawings No drawings available at the moment, will be launched soon
In Stock
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Key Features & Benefits at a Glance

  • Enhanced Durability - Cast iron construction with Brinell 217 hardness provides superior wear resistance for extended service life in demanding applications
  • Precision Movement Control - 0.063" travel distance per turn ensures accurate and predictable linear motion positioning
  • Reliable Reverse Thread Performance - Left-hand Acme thread design enables counter-clockwise tightening for specialized mechanical systems requiring reverse operation
  • Optimized Thread Engagement - Class 2C thread fit guarantees proper clearance and smooth operation with mating components
  • Direct 1:1 Speed Ratio - Provides immediate response without gear reduction for straightforward motion transfer
  • Environmental Compliance Ready - Meets RoHS 3 and REACH standards for use in regulated industries and global markets
  • Robust Construction - 1.344" diameter and 3/4" length dimensions offer substantial bearing surface for stable load distribution

Professional Applications & Engineering Value

This left-hand Acme thread nut delivers exceptional value in applications requiring reverse-thread functionality and reliable linear motion. The cast iron construction with Brinell 217 hardness provides superior resistance to wear and deformation, making it ideal for industrial machinery, clamping systems, and precision positioning equipment where reverse thread operation is critical. The 3/8-16 thread size with Class 2C fit ensures proper clearance for smooth operation while maintaining necessary tolerances. Engineering teams benefit from the predictable 0.063" travel per turn for accurate positioning in automated systems, manufacturing equipment, and motion control applications where consistent performance under load is essential.

Specification Summary & Compliance

This precision Acme nut features a 3/8"-16 left-hand Acme thread with Class 2C thread fit per industry standards, ensuring proper clearance and operational smoothness. The component maintains dimensional accuracy with 1.344" diameter, 3/4" length, and single thread start configuration. Manufacturing compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, meeting current environmental standards for industrial applications worldwide. The nut's construction from cast iron with Brinell 217 hardness confirms its suitability for demanding mechanical environments requiring durable, precision thread components.

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