S-90054A405 Length 1/2" Tapping Screws

Tapping Screws

0442FA00043 Tapping Screws
0442FA00043 Tapping Screws

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

Part No.
Part No. 0442FA00043
Equivalent to mcmaster :
90054A405

Basic Information

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

Head Parameters

Head Type Hex
Head Width 1/2"
Head Height 0.285"

Dimensions

Length 1/2"
Flange Diameter 0.676"
Shank Cross Section Round

Thread Parameters

Screw Size 5/16"
Thread Diameter 0.313"
Approximate Threads per Inch 10
Thread Direction Right Hand
Threading Fully Threaded

Tip & Drive Parameters

Tip Type Pointed
Drive Style External Hex/Slotted
Drill Bit Size 6.9 mm
Drill Bit Diameter 0.2717"
Tapping Method Thread Forming

Material & Strength

Material Zinc-Plated 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
Price available upon request. Our sales team will respond within 24 hours with a competitive quote tailored to your requirements.
REQUEST A QUOTE
  • Fast delivery
  • Enjoy discounts on bulk purchases
  • Secure Payment
  • Fast Global Shipping

Key Features & Benefits at a Glance

  • Superior corrosion resistance with zinc-plated steel construction for extended service life in demanding industrial environments
  • Enhanced driving efficiency through external hex/slotted head design allowing high-torque application and quick installation
  • Optimal material displacement with thread forming tapping method that creates stronger, more secure threads in sheet metal
  • Increased bearing surface from integrated flange design distributing load evenly and preventing pull-through
  • Maximum thread engagement with fully threaded shank providing consistent holding power along the entire fastener length
  • Precision compatibility with standard 0.2717" (6.9 mm) drill bits for streamlined installation processes
  • Regulatory compliance assurance meeting RoHS 3 and REACH standards for global industrial applications

Professional Applications & Engineering Value

These 5/16" zinc-plated steel tapping screws deliver exceptional performance in sheet metal applications where vibration resistance and long-term reliability are critical. The thread forming design (A/AB type) creates precise mating threads without generating chips, eliminating contamination concerns in electrical enclosures, HVAC systems, and automotive assemblies. The combination of external hex drive and flanged head provides superior clamp force while preventing over-torquing and material deformation. With 10 TPI thread pitch and fully threaded configuration, these screws maintain consistent grip across varying material thicknesses up to 0.025", making them ideal for joining dissimilar metals or securing components to thin-gauge sheet metal where strip-out resistance is paramount.

Specification Summary & Compliance

These tapping screws feature precise 0.313" thread diameter with 10 threads per inch in right-hand direction, manufactured to industry standards for thread forming applications. The hex head configuration (1/2" width, 0.285" height) ensures compatibility with standard driving tools. Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations confirms environmental responsibility and material safety for industrial use worldwide.

🔍
Cancel