S-90930A194 Length 1/2" Tapping Screws

Tapping Screws

0424FA00004 Tapping Screws
0424FA00004 Tapping Screws

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

Part No.
Part No. 0424FA00004
Equivalent to mcmaster :
90930A194

Basic Information

Tapping Screw Type A/AB
Screw Features Flanged
System of Measurement Inch

Head Parameters

Head Type Rounded
Head Height 0.116"
Rounded Head Profile Standard
Rounded Head Style Pan

Dimensions

Length 1/2"
Flange Diameter 0.425"
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 Black Corrosion-Resistant-Coated 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

  • Enhanced corrosion resistance with black protective coating extends service life in demanding industrial environments
  • Superior thread-forming capability creates permanent, vibration-resistant threads in sheet metal without pre-tapping
  • Optimized flange design provides wider bearing surface for improved load distribution and reduced material stress
  • Precision Phillips No. 2 drive ensures secure tool engagement and prevents cam-out during high-torque installation
  • Full threading with pointed tip enables faster starts and smoother penetration through sheet metal substrates
  • Standardized dimensional accuracy guarantees consistent performance and interchangeability across assembly operations
  • Comprehensive regulatory compliance meets RoHS 3 and REACH standards for global manufacturing applications

Professional Applications & Engineering Value

These No. 8 x 1/2" Phillips pan head tapping screws deliver exceptional value in sheet metal fabrication and assembly operations. The black corrosion-resistant coated steel construction provides durable protection against environmental factors, while the thread forming (A/AB type) design eliminates the need for separate tapping operations - significantly reducing installation time and labor costs. The fully threaded configuration with 15 threads per inch ensures maximum grip length and pull-out resistance in thin-gauge materials. Engineered for use with No. 29 drill bits and capable of penetrating up to 0.025" thickness, these screws solve common challenges of strip-out, cross-threading, and insufficient holding power in automated and manual assembly lines.

Specification Summary & Compliance

These tapping screws feature precise 0.164" thread diameter with standard inch system tolerances, right-hand thread direction, and fully threaded construction. Manufacturing complies with industry-standard thread forming specifications for A/AB type tapping screws. The products are fully RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting the latest environmental regulations for industrial components.

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