S-91808A123 1 1/2"-5 Acme Lead Screws and Nuts
Acme Lead Screws and Nuts
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Basic Information
Thread Parameters
Dimension Parameters
Lead Screw Specific Parameters
Nut Parameters
Load & Performance Parameters
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Key Features & Benefits at a Glance
- High Tensile Strength: Withstands up to 64,000 psi for reliable performance in demanding industrial applications.
- Durable Material Construction: Made from Grade 2 Carbon Steel with Rockwell B85 hardness, ensuring long-term wear resistance.
- Precision Left-Hand Threading: Class 2G fit provides smooth, backlash-resistant motion for specialized machinery requiring reverse-direction movement.
- Consistent Travel Control: 0.2" travel distance per turn with single thread start design enables predictable linear positioning.
- Standard Hex Nut Profile: Facilitates easy installation and removal using common wrench tools.
- Environmental Compliance: Meets RoHS 3 and REACH standards for safe use in regulated industries.
- Inch System Compatibility: Designed for seamless integration with existing imperial measurement equipment.
Professional Applications & Engineering Value
This left hand Acme hex nut solves critical engineering challenges in applications requiring reverse-direction linear motion, such as clamping systems, valve actuators, and precision positioning equipment. The Grade 2 carbon steel construction provides exceptional durability against repeated loading cycles, while the Class 2G thread fit maintains consistent engagement with mating screws to prevent premature wear. The single thread start design combined with the standardized 0.2" travel distance per turn delivers predictable movement in industrial automation systems. These features make it particularly valuable for maintenance operations where left-hand threading prevents unintended loosening from rotational vibration.
Specification Summary & Compliance
Manufactured to Class 2G thread fit standards with 1 1/2"-5 Acme left-hand threads in inch system measurements. The nut features single thread start configuration and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. Material certification includes Grade 2 carbon steel with documented 64,000 psi tensile strength and Rockwell B85 hardness verification.
