S-90184A224 Length 1/2" Tapping Screws

Tapping Screws

0403FA00025 Tapping Screws
0403FA00025 Tapping Screws

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

Part No.
Part No. 0403FA00025
Equivalent to mcmaster :
90184A224

Basic Information

Type Rounded
Tapping Screw Type A/AB
System of Measurement Inch

Head Parameters

Head Diameter 0.322"
Head Height 0.115"
Rounded Head Profile Standard
Rounded Head Style Pan

Dimensions

Length 1/2"
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"
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 permanent, high-strength threads in sheet metal without chips or debris
  • Optimized for 0.025" maximum thickness sheet metal with precise No. 29 drill bit compatibility for clean installations
  • Reliable Phillips No. 2 drive system provides secure torque transmission and reduces cam-out during installation
  • Fully threaded shank ensures maximum grip length and uniform load distribution across the entire fastener
  • Standard pan head profile offers low-profile installation with good bearing surface for secure fastening
  • Compliant with RoHS 3 and REACH regulations for environmental safety and industrial compliance requirements

Professional Applications & Engineering Value

This 316 stainless steel tapping screw delivers exceptional performance in sheet metal applications where corrosion resistance and thread integrity are critical. The thread forming technology eliminates the need for pre-tapped holes while creating stronger, vibration-resistant connections that won't loosen under stress. With its fully threaded design and 15 threads per inch precision, this fastener distributes clamping force evenly, preventing material distortion in thin-gauge metals. The Phillips drive system ensures quick installation with standard tools, making it ideal for production environments requiring efficient assembly of HVAC systems, electronic enclosures, and industrial equipment where exposure to moisture, chemicals, or temperature variations demands 316 stainless steel's superior corrosion resistance.

Specification Summary & Compliance

This No. 8 x 1/2" tapping screw features a 0.164" thread diameter with right-hand threading and Class 2A inch system tolerances for precise fit. The thread forming (Type A/AB) design complies with standard tapping screw specifications, creating secure threads in sheet metal applications. Manufactured to meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance standards, ensuring environmental safety and regulatory adherence for industrial use.

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