S-90782A135 M12 Shoulder Screws

Shoulder Screws

0540FA00026 Shoulder Screws
0540FA00026 Shoulder Screws

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

Part No.
Part No. 0540FA00026
Equivalent to mcmaster :
90782A135

Basic Information

System of Measurement Metric

Head Parameters

Head Type Socket
Head Diameter 18 mm
Head Height 9 mm
Head Texture Knurled
Socket Head Profile Standard

Dimensions

Shoulder Diameter 12 mm
Shoulder Diameter Tolerance -0.072 to -0.01 mm
Shoulder Fit Standard
Shoulder Length 8 mm
Shoulder Length Tolerance 0 to 0.25 mm

Thread Parameters

Thread Type Metric
Thread Size M12
Thread Pitch 1.75 mm
Thread Spacing Coarse
Thread Length 16 mm
Thread Direction Right Hand
Thread Fit Class 6g

Tip & Drive Parameters

Drive Style Hex
Drive Size 6 mm

Material & Strength

Material Alloy Steel
Finish Black Oxide
Hardness Rockwell C32
Tensile Strength 140000 psi

Temperature & Environment

REACH Compliant
RoHS Compliant
Technical Drawings No drawings available at the moment, will be launched soon
In Stock
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Key Features & Benefits at a Glance

  • Exceptional durability and corrosion resistance with alloy steel construction and black oxide finish, ideal for harsh industrial environments.
  • High tensile strength of 140,000 PSI ensures reliable performance under heavy loads, reducing the risk of fastener failure.
  • Precise shoulder diameter and length tolerances provide accurate alignment and smooth rotation in assemblies, minimizing wear.
  • Knurled head texture offers improved grip for easier manual handling and installation without slipping.
  • Class 6g thread fit guarantees consistent, secure fastening with standard metric components, enhancing assembly efficiency.
  • Compliance with RoHS 3 and REACH standards ensures environmental safety and regulatory acceptance for global markets.
  • 6mm hex drive design allows for quick and secure tool engagement, speeding up installation and maintenance processes.

Professional Applications & Engineering Value

This M12 shoulder screw is engineered to address critical challenges in precision assemblies, such as misalignment and component wear. Made from alloy steel with a black oxide finish, it resists corrosion and extends service life in demanding conditions like machinery, automotive, and automation systems. The knurled head enhances handling, while the 8mm shoulder length with tight tolerances ensures exact positioning for rotating parts, reducing vibration and improving overall system reliability. Its coarse M12x1.75 thread and Class 6g fit provide robust, repeatable fastening, making it a trusted choice for industrial fasteners in high-stress applications.

Specification Summary & Compliance

This metric shoulder screw adheres to precise dimensional standards, including a Class 6g thread fit for consistent engagement and a shoulder diameter tolerance of -0.072 to -0.01 mm with a shoulder length tolerance of 0 to 0.25 mm. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring it is free from hazardous substances and suitable for regulated industries.

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