S-90184A260 Length 7/8" Tapping Screws

Tapping Screws

0403FA00028 Tapping Screws
0403FA00028 Tapping Screws

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

Part No.
Part No. 0403FA00028
Equivalent to mcmaster :
90184A260

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 7/8"
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

  • Exceptional corrosion resistance with 316 stainless steel material, ideal for harsh or outdoor environments where rust prevention is critical.
  • Superior holding power in sheet metal through precision thread forming technology that creates strong, reliable threads without pre-tapping.
  • Efficient installation with No. 2 Phillips drive for common tool compatibility and reduced cam-out during fastening.
  • Maximum thread engagement thanks to fully threaded design, ensuring consistent clamping force along the entire screw length.
  • Optimized for thin materials with capability to drill up to 0.025" maximum thickness, perfect for standard sheet metal applications.
  • Wide industrial compliance meeting RoHS 3 and REACH environmental regulations for safe, sustainable use in global markets.
  • Secure, vibration-resistant fastening from the right-hand thread and pan head design that provides a flush-to-low profile finish.

Professional Applications & Engineering Value

This 316 stainless steel tapping screw is engineered to address common challenges in sheet metal fabrication, such as material stripping, corrosion-induced failure, and installation inefficiency. The thread forming design eliminates the need for pre-drilled threads, reducing labor time and tooling costs while creating stronger, more durable connections in metals. Its fully threaded No. 8 body and Phillips drive ensure quick, secure fastening in HVAC systems, electronic enclosures, and automotive panels, where corrosion resistance and reliability are paramount. By combining high-strength 316 stainless steel with precise thread forming technology, this screw minimizes galling and provides long-term performance in demanding industrial environments.

Specification Summary & Compliance

This screw adheres to standard inch measurements with a thread diameter of 0.164" and approximately 15 threads per inch for consistent fit. It is manufactured as a thread forming tapping screw (Type A/AB) with right-hand threading and a pointed tip for easy starting. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets strict environmental and safety standards for industrial use.

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