S-91210A808 M5 x 8 mm DIN 914, ISO 4027 Set Screws

Set Screws

0668FA00104 Set Screws
0668FA00104 Set Screws

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

Part No.
Part No. 0668FA00104
Equivalent to mcmaster :
91210A808

Basic Information

System of Measurement Metric

Head Parameters

Head Type Headless

Dimensions

Length 8 mm

Thread Parameters

Thread Type Metric
Thread Size M5
Thread Pitch 0.8 mm
Thread Spacing Coarse
Thread Direction Right Hand
Thread Fit Class 5g6g

Tip & Drive Parameters

Tip Type Cone
Cone Point Angle 90°
Drive Style Hex
Drive Size 2.5 mm

Material & Strength

Material Zinc-Plated Alloy Steel
Hardness Rockwell C45

Temperature & Environment

REACH Compliant
RoHS Compliant
Specifications Met DIN 914, ISO 4027
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 zinc-plated alloy steel construction, extending service life in harsh industrial environments
  • Exceptional holding power from the 90° cone point design that bites into materials for secure, vibration-resistant fastening
  • Optimized mechanical strength with Rockwell C45 hardness, providing reliable performance under heavy loads and stress
  • Precise thread engagement with Class 5g6g fit coarse threads, ensuring easy installation and consistent clamping force
  • Space-saving headless design that sits flush with surfaces, ideal for compact assemblies and rotating components
  • Quick installation and removal using standard 2.5mm hex keys, reducing assembly time and maintenance costs
  • Global compliance assurance meeting DIN 914/ISO 4027 standards plus RoHS 3 and REACH environmental regulations

Professional Applications & Engineering Value

This M5 metric set screw delivers critical engineering solutions for industrial applications where space constraints and vibration resistance are paramount. The zinc-plated alloy steel construction provides essential corrosion protection for machinery, automotive components, and electrical enclosures exposed to demanding conditions. The 90° cone point creates permanent seating in shafts, gears, and collars, preventing slippage in high-torque environments. With coarse threading and Class 5g6g tolerance, installation is streamlined while maintaining precise alignment in production assemblies. The headless design with hex drive allows flush mounting in confined spaces, making it ideal for precision equipment, manufacturing jigs, and rotating assemblies where protrusions would interfere with operation.

Specification Summary & Compliance

This set screw features M5x0.8mm metric coarse threads with Class 5g6g thread fit per ISO standards, ensuring dimensional accuracy and reliable performance. Manufactured to DIN 914/ISO 4027 specifications with 8mm length and 2.5mm hex drive. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, meeting international safety and sustainability requirements for industrial fasteners.

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