S-90265A275 M6 ISO 7379 Shoulder Screws

Shoulder Screws

0543FA00143 Shoulder Screws
0543FA00143 Shoulder Screws

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

Part No.
Part No. 0543FA00143
Equivalent to mcmaster :
90265A275

Basic Information

System of Measurement Metric

Head Parameters

Head Type Socket
Head Diameter 13 mm
Head Height 5.5 mm
Head Texture Knurled
Socket Head Profile Standard

Dimensions

Shoulder Diameter 8 mm
Shoulder Diameter Tolerance -0.072 to -0.01 mm
Shoulder Fit Standard
Shoulder Length 70 mm
Shoulder Length Tolerance 0 to 0.25 mm

Thread Parameters

Thread Type Metric
Thread Size M6
Thread Pitch 1 mm
Thread Spacing Coarse
Thread Length 11 mm
Thread Direction Right Hand
Thread Fit Class 5g6g

Tip & Drive Parameters

Drive Style Hex
Drive Size 4 mm

Material & Strength

Material 18-8 Stainless Steel
Hardness Rockwell B83
Tensile Strength 70000 psi
Minimum Shear Strength 45000 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

  • Corrosion-resistant 18-8 stainless steel construction ensures long-term durability in harsh industrial environments, reducing replacement costs.
  • Precision-machined 70mm shoulder with tight diameter tolerance (-0.072 to -0.01 mm) provides accurate alignment and smooth rotation for moving parts.
  • High tensile strength (70,000 psi) and Rockwell B83 hardness deliver reliable performance under heavy mechanical loads.
  • Knurled socket head with 4mm hex drive offers superior grip and prevents tool slippage during installation.
  • Class 5g6g thread fit with M6x1 coarse pitch ensures secure fastening and easy assembly in various applications.
  • Compliance with ISO 7379, RoHS 3, and REACH standards guarantees quality and environmental safety for global supply chains.
  • Consistent shoulder length tolerance (0 to 0.25 mm) enables repeatable positioning in precision machinery.

Professional Applications & Engineering Value

This M6 shoulder screw is engineered to address critical alignment and wear issues in precision industrial applications. The 70mm shoulder length with controlled diameter tolerance acts as a precise pivot or spacer, minimizing friction and misalignment in assemblies like rotating shafts, gears, and linkages. Made from 18-8 stainless steel, it resists corrosion and maintains integrity in demanding conditions, while the coarse thread (M6x1) and class 5g6g fit ensure quick, secure fastening. The knurled socket head with 4mm hex drive enhances installation reliability, reducing downtime in automation, machinery, and electronics. Ideal for OEMs and maintenance teams seeking ISO 7379 compliant solutions that enhance equipment longevity and performance.

Specification Summary & Compliance

This shoulder screw features a metric M6x1 coarse thread with Class 5g6g thread fit for standard industrial use. Shoulder diameter tolerance is -0.072 to -0.01 mm, and shoulder length tolerance is 0 to 0.25 mm, ensuring dimensional accuracy. Manufactured to ISO 7379 specifications, it is fully RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliant, meeting environmental and safety regulations for global markets.

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