S-90269A334 M12 ISO 7379 Shoulder Screws

Shoulder Screws

0546FA00180 Shoulder Screws
0546FA00180 Shoulder Screws

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

Part No.
Part No. 0546FA00180
Equivalent to mcmaster :
90269A334

Basic Information

System of Measurement Metric

Head Parameters

Head Type Socket
Head Diameter 24 mm
Head Height 11 mm
Head Texture Knurled
Socket Head Profile Standard

Dimensions

Shoulder Diameter 16 mm
Shoulder Diameter Tolerance -0.072 to -0.01 mm
Shoulder Fit Standard
Shoulder Length 20 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 8 mm

Material & Strength

Material 316 Stainless Steel
Hardness Rockwell B79
Tensile Strength 70000 psi
Minimum Shear Strength 35000 psi

Temperature & Environment

REACH Compliant
RoHS Compliant
Specifications Met ISO 7379
Technical Drawings No drawings available at the moment, will be launched soon
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Key Features & Benefits at a Glance

  • Superior corrosion resistance with 316 stainless steel construction, ideal for harsh environments and chemical exposure.
  • Precise component alignment and rotation ensured by the 16mm shoulder diameter with a tight tolerance of -0.072 to -0.01 mm.
  • High mechanical strength and durability from a tensile strength of 70,000 psi and Rockwell B79 hardness for demanding applications.
  • Reliable shear resistance with a minimum shear strength of 35,000 psi, providing secure fastening under load.
  • Easy and secure installation using a standard 8mm hex socket drive, preventing tool slippage and damage.
  • Guaranteed dimensional interchangeability as it meets the international ISO 7379 standard for metric shoulder screws.
  • Safe for regulated industries with compliance to RoHS 3 and REACH environmental directives.

Professional Applications & Engineering Value

This M12 shoulder screw is engineered to solve critical alignment and pivot point challenges in industrial applications. Manufactured from 316 stainless steel, it offers exceptional resistance to corrosion, making it suitable for machinery, marine equipment, and food processing systems exposed to moisture and chemicals. The precision shoulder with its controlled diameter and length provides a stable bearing surface, reducing wear on assembled components and ensuring smooth rotational movement. The coarse thread (M12x1.75) allows for quicker assembly and stronger holding power in softer materials or where vibration is a concern. Paired with the socket head and 8mm hex drive, it enables high-torque installation in confined spaces, enhancing assembly efficiency and reliability in automated systems and precision instruments.

Specification Summary & Compliance

This shoulder screw features a Class 5g6g thread fit and a shoulder diameter tolerance of -0.072 to -0.01 mm, ensuring high dimensional accuracy. It is manufactured to the ISO 7379 standard for metric shoulder screws. The product is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, confirming its adherence to strict environmental and safety regulations.

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