S-92635A260 M6 x 25 mm DIN 479 Set Screws

Set Screws

0661FA00004 Set Screws
0661FA00004 Set Screws

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

Part No.
Part No. 0661FA00004
Equivalent to mcmaster :
92635A260

Basic Information

System of Measurement Metric

Head Parameters

Head Type Square
Head Width 6 mm
Head Height 6 mm

Dimensions

Length 25 mm

Thread Parameters

Thread Type Metric
Thread Size M6
Thread Pitch 1 mm
Thread Spacing Coarse
Thread Direction Right Hand
Thread Fit Class 6g

Tip & Drive Parameters

Tip Type Extended
Tip Length 1.75 mm
Tip Length Tolerance -0.25mm to 0
Tip Diameter 4 mm
Tip Diameter Tolerance -0.18mm to 0
Drive Style External Square

Material & Strength

Material Alloy Steel
Hardness Rockwell C20

Temperature & Environment

REACH Compliant
RoHS Compliant
Specifications Met DIN 479
Technical Drawings No drawings available at the moment, will be launched soon
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Key Features & Benefits at a Glance

  • Enhanced Durability: Crafted from high-strength alloy steel with Rockwell C20 hardness for superior resistance to wear and deformation in demanding industrial environments.
  • Precise Fastening: Extended tip design (1.75 mm length) ensures accurate alignment and secure component positioning, reducing assembly errors.
  • Reliable Thread Performance: Class 6g thread fit with coarse 1 mm pitch provides excellent engagement and vibration resistance in high-stress applications.
  • Easy Installation & Removal: Square head with external square drive allows for high-torque application using standard tools, speeding up maintenance and assembly.
  • Broad Industrial Compliance: Meets DIN 479 specifications for dimensional accuracy and is RoHS 3 and REACH compliant, ensuring safe use in regulated sectors.
  • Optimized Dimensions: M6 x 25 mm size with right-hand threading offers versatility for a wide range of machinery and equipment fastening needs.

Professional Applications & Engineering Value

This M6 metric set screw is engineered to address critical fastening challenges in industrial settings, where vibration resistance and long-term reliability are paramount. The alloy steel construction and Rockwell C20 hardness provide exceptional strength, preventing stripping or failure under cyclic loads. Its square head design facilitates easy access in confined spaces, while the extended tip ensures positive seating in shafts and collars, minimizing slippage. Ideal for securing gears, pulleys, and couplings in machinery, automotive, and manufacturing equipment, this DIN 479 compliant set screw delivers consistent performance, reducing downtime and maintenance costs. The coarse thread and Class 6g tolerance further enhance grip in softer materials, making it a versatile choice for engineers seeking durable, precision fasteners.

Specification Summary & Compliance

This set screw adheres to DIN 479 standards for dimensional accuracy, featuring an M6 thread size with 1 mm pitch and Class 6g thread fit for precise tolerances. The extended tip has a length of 1.75 mm (tolerance: -0.25mm to 0) and diameter of 4 mm (tolerance: -0.18mm to 0), ensuring consistent performance. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, guaranteeing environmental safety and suitability for global industrial applications.

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