S-90269A861 M12 ISO 7379 Shoulder Screws

Shoulder Screws

0546FA00643 Shoulder Screws
0546FA00643 Shoulder Screws

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

Part No.
Part No. 0546FA00643
Equivalent to mcmaster :
90269A861

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 40 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
Finish Black Oxide
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
In Stock
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Key Features & Benefits at a Glance

  • Superior corrosion resistance with 316 Stainless Steel construction, ideal for harsh industrial and marine environments.
  • Enhanced wear resistance and reduced light reflection provided by the Black Oxide finish, extending service life.
  • High mechanical strength with 70,000 psi tensile and 35,000 psi shear strength for reliable performance under heavy loads.
  • Precise locating and pivoting enabled by the 16mm diameter and 40mm length shoulder with tight tolerances.
  • Secure and easy installation with the knurled socket head and 8mm hex drive, preventing tool slippage.
  • Consistent thread engagement ensured by the M12x1.75 coarse thread with Class 5g6g fit for vibration resistance.
  • Global compliance and safety meeting ISO 7379, RoHS 3, and REACH standards for regulated applications.

Professional Applications & Engineering Value

This M12 shoulder screw is engineered to solve critical alignment and durability challenges in demanding industrial applications. The 316 Stainless Steel material offers excellent resistance to chemicals and saltwater corrosion, while the Black Oxide finish adds an extra layer of protection against abrasion and galling. The precision-machined 16mm shoulder diameter and 40mm shoulder length provide a stable bearing surface for rotating components, reducing wear on assembled parts. Combined with the Class 5g6g thread fit and coarse thread pitch, this shoulder bolt ensures secure fastening in high-vibration environments like machinery, automotive assemblies, and conveyor systems, minimizing maintenance downtime and improving operational reliability.

Specification Summary & Compliance

This precision shoulder screw features an M12x1.75 metric thread with a Class 5g6g thread fit and a shoulder diameter tolerance of -0.072 to -0.01 mm. It is manufactured in compliance with ISO 7379 standards and is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, ensuring it meets international environmental and safety regulations for industrial use.

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