S-90198A284 Length 2" Tapping Screws

Tapping Screws

0428FA00028 Tapping Screws
0428FA00028 Tapping Screws

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

Part No.
Part No. 0428FA00028
Equivalent to mcmaster :
90198A284

Basic Information

Tapping Screw Type A/AB
System of Measurement Inch

Head Parameters

Head Type Flat
Head Diameter 0.312"
Head Height 0.1"
Flat Head Profile Standard

Dimensions

Length 2"
Shank Cross Section Round

Thread Parameters

Screw Size No. 8
Thread Diameter 0.164"
Approximate Threads per Inch 15
Thread Direction Right Hand
Threading Fully Threaded

Tip & Drive Parameters

Tip Type Pointed
Drive Style Phillips
Drive Size No. 2
Drill Bit Size No. 29
Drill Bit Diameter 0.136"
Countersink Angle 82°
Tapping Method Thread Forming

Material & Strength

Material 316 Stainless Steel

Temperature & Environment

For Use In Sheet Metal
REACH Compliant
RoHS Compliant

Installation & Application

Maximum Drilling Thickness 0.025"
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 environments and outdoor applications
  • Efficient thread forming design creates strong, permanent threads in sheet metal without pre-tapping, reducing installation time
  • Full threading along the 2" length provides maximum grip and holding power across the entire fastener engagement
  • Standard 82° countersink angle ensures flush mounting with sheet metal surfaces for clean, professional finishes
  • Reliable Phillips No. 2 drive offers familiar, secure tool engagement while preventing cam-out during installation
  • Compliance with RoHS 3 and REACH regulations guarantees environmental safety and meets international industrial standards
  • Optimized 15 TPI thread pitch delivers excellent pull-out resistance in thin sheet metal applications up to 0.025" thickness

Professional Applications & Engineering Value

These 316 stainless steel tapping screws are specifically engineered for demanding sheet metal applications where corrosion resistance and structural integrity are paramount. The thread forming design eliminates the need for separate tapping operations, creating strong, clean threads that resist vibration loosening in thin materials. The flat head profile with standard 82° countersink angle provides seamless surface integration, preventing snagging while maintaining aerodynamic and aesthetic requirements. Particularly valuable in HVAC systems, electronic enclosures, and automotive assemblies, these Phillips drive screws combine the chemical stability of 316 stainless with the mechanical advantages of A/AB tapping screw geometry for reliable performance in corrosive environments.

Specification Summary & Compliance

This No. 8 x 2" tapping screw features a 0.164" thread diameter with 15 TPI thread forming design conforming to standard inch measurements. The fastener maintains precise dimensional accuracy with standard flat head profile and fully threaded shank for consistent performance. Manufactured in compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental responsibility and industrial safety standards are met for global supply chain requirements.

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