S-90269A739 M10 Shoulder Screws

Shoulder Screws

0546FA00521 Shoulder Screws
0546FA00521 Shoulder Screws

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

Part No.
Part No. 0546FA00521
Equivalent to mcmaster :
90269A739

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 M10
Thread Pitch 1.5 mm
Thread Spacing Coarse
Thread Length 16 mm
Thread Direction Right Hand
Thread Fit Class 5g6g

Tip & Drive Parameters

Drive Style Hex
Drive Size 6 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
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 durability and wear resistance provided by the black oxide finish, which also reduces light reflection.
  • High mechanical strength with 70,000 psi tensile and 35,000 psi shear strength for reliable performance under heavy loads.
  • Precise assembly and alignment enabled by the 12mm shoulder diameter with tight tolerances and standard shoulder fit.
  • Secure, non-slip fastening thanks to the knurled head and 6mm hex socket drive for easy installation and removal.
  • Accurate and reliable thread engagement with Class 5g6g metric coarse thread fit, ensuring consistent performance.
  • Compliance with major environmental regulations including RoHS 3 and REACH, supporting sustainable procurement.

Professional Applications & Engineering Value

This M10 shoulder screw is engineered to address critical challenges in precision assembly and machinery. The 316 stainless steel material offers excellent resistance to chemicals and saltwater, making it suitable for industrial applications in food processing, marine equipment, and chemical plants. The black oxide finish not only enhances corrosion protection but also minimizes galling and seizing during high-torque applications. With a knurled head and hex socket drive, it provides superior grip and torque transmission, reducing the risk of tool slippage. The precisely machined shoulder ensures accurate component alignment and spacing, while the Class 5g6g thread fit guarantees secure fastening in dynamic environments, improving overall equipment reliability and reducing maintenance needs.

Specification Summary & Compliance

This shoulder screw features a metric M10x1.5 coarse thread with a Class 5g6g thread fit for precise tolerance. Key dimensions include an 18mm head diameter, 12mm shoulder diameter with a tolerance of -0.072 to -0.01 mm, and 8mm shoulder length with a tolerance of 0 to 0.25 mm. It is manufactured to high standards with a Rockwell B79 hardness and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material reliability for global industrial use.

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