S-91273A464 M12 Shoulder Screws

Shoulder Screws

0544FA00272 Shoulder Screws
0544FA00272 Shoulder Screws

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

Part No.
Part No. 0544FA00272
Equivalent to mcmaster :
91273A464

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 -0.04 to -0.01 mm
Shoulder Fit Standard
Shoulder Length 10 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 18 mm
Thread Direction Right Hand
Thread Fit Class 5g6g

Tip & Drive Parameters

Drive Style Hex
Drive Size 6 mm

Material & Strength

Material 18-8 Stainless Steel
Hardness Rockwell B55
Tensile Strength 70000 psi
Minimum Shear Strength 35000 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

  • Superior corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh industrial environments.
  • High-strength performance with 70,000 psi tensile strength and Rockwell B55 hardness for reliable load-bearing.
  • Precise alignment and spacing enabled by the 10mm shoulder length with controlled tolerances.
  • Secure and efficient installation using the 6mm hex socket drive and knurled head for enhanced grip.
  • Consistent thread engagement with Class 5g6g metric coarse thread (M12x1.75mm) for vibration resistance.
  • Environmental compliance assurance meeting RoHS 3 and REACH standards for safe, regulated use.
  • Durable right-hand thread design ensures long-term mechanical stability in dynamic applications.

Professional Applications & Engineering Value

This M12 shoulder screw is engineered to address critical alignment and durability challenges in industrial applications. The 18-8 stainless steel material provides excellent resistance to rust and corrosion, extending service life in demanding conditions. The integrated 10mm shoulder length with precise tolerances ensures accurate component positioning, reducing wear and misalignment in assemblies such as machinery, pivots, and rotating parts. The hex socket head with knurling allows for high-torque installation without slippage, while the Class 5g6g coarse thread offers robust holding power against vibrations. Ideal for use in automotive, manufacturing, and electronic equipment, this precision shoulder screw enhances operational reliability and reduces maintenance needs.

Specification Summary & Compliance

The screw features a metric M12x1.75mm coarse thread with Class 5g6g thread fit for consistent dimensional accuracy. Shoulder diameter tolerance is -0.04 to -0.01 mm, and shoulder length tolerance is 0 to 0.25 mm, ensuring precise assembly. Manufactured in compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, it meets environmental and safety standards for global industrial use.

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