S-99477A146 M8 x 16 mm DIN 912, UL 94 HB Plastic Socket Head Screws

Plastic Socket Head Screws

0021FA00408 Plastic Socket Head Screws
0021FA00408 Plastic Socket Head Screws

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

Part No.
Part No. 0021FA00408
Equivalent to mcmaster :
99477A146

Basic Information

Color Off-White
System of Measurement Metric

Head Parameters

Head Type Socket
Head Diameter 13 mm
Head Height 8 mm
Socket Head Profile Standard

Dimensions

Length 16 mm

Thread Parameters

Thread Type Metric
Thread Size M8
Thread Pitch 1.25 mm
Thread Spacing Coarse
Thread Direction Right Hand
Thread Fit Class 6g
Threading Fully Threaded

Tip & Drive Parameters

Drive Style Hex
Drive Size 6 mm

Material & Strength

Material Polypropylene Plastic
Hardness Not Rated
Tensile Strength 4500 psi

Temperature & Environment

Temperature Range -20° to 180° F
REACH Compliant
RoHS Compliant
Specifications Met DIN 912, UL 94 HB
Technical Drawings No drawings available at the moment, will be launched soon
In Stock
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Key Features & Benefits at a Glance

  • Excellent chemical resistance and electrical insulation from durable polypropylene plastic construction
  • Precise, reliable fastening with Class 6g thread fit and fully threaded M8x1.25mm coarse thread design
  • Easy installation in confined spaces using a standard 6mm hex key with the socket head design
  • Broad temperature tolerance for stable performance from -20° to 180° F in various environments
  • High strength-to-weight ratio with 4500 psi tensile strength for robust plastic applications
  • Guaranteed dimensional consistency and interchangeability through strict DIN 912 standard compliance
  • Safe for regulated industries with full RoHS 3 and REACH environmental compliance

Professional Applications & Engineering Value

This M8 metric socket head cap screw provides an optimal solution for applications requiring corrosion resistance, electrical isolation, and lightweight fastening. Manufactured from polypropylene plastic, it eliminates galvanic corrosion risks when used with dissimilar metals and is ideal for electronics, food processing equipment, and chemical environments. The fully threaded design with Class 6g tolerance ensures consistent clamping force across the entire 16mm length, while the 6mm hex drive socket head allows for high-torque installation in space-constrained assemblies. Meeting DIN 912 specifications, these screws deliver reliable performance where metal fasteners would be unsuitable due to weight, conductivity, or chemical exposure concerns.

Specification Summary & Compliance

This socket head cap screw features M8x1.25mm metric coarse threads with Class 6g thread fit per ISO standards. Manufactured to DIN 912 dimensional specifications with a 13mm head diameter and 8mm head height. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, and meets UL 94 HB flammability standards for plastic materials.

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