S-92470A321 Length 2 1/2" Tapping Screws

Tapping Screws

0402FA00137 Tapping Screws
0402FA00137 Tapping Screws

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

Part No.
Part No. 0402FA00137
Equivalent to mcmaster :
92470A321

Basic Information

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

Head Parameters

Head Diameter 0.476"
Head Height 0.169"
Rounded Head Profile Standard
Rounded Head Style Pan

Dimensions

Length 2 1/2"
Shank Cross Section Round

Thread Parameters

Screw Size No. 14
Thread Diameter 0.242"
Approximate Threads per Inch 10
Thread Direction Right Hand
Threading Fully Threaded

Tip & Drive Parameters

Tip Type Pointed
Drive Style Phillips
Drive Size No. 3
Drill Bit Size 5.5 mm
Drill Bit Diameter 0.2165"
Tapping Method Thread Forming

Material & Strength

Material 18-8 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 18-8 stainless steel construction for long-lasting performance in demanding industrial environments
  • Efficient thread forming design creates strong, permanent threads in sheet metal without pre-tapping, reducing installation time and labor costs
  • Optimized for 0.025" maximum drilling thickness with precise 0.2165" drill bit compatibility for consistent, reliable fastening in sheet metal applications
  • Enhanced driving control with Phillips No. 3 drive and pan head design provides secure tool engagement and flush surface finish
  • Full threading along 2-1/2" length ensures maximum grip and uniform stress distribution across the entire fastener
  • Industry-standard compliance meets RoHS 3 and REACH environmental regulations for safe, sustainable manufacturing operations
  • Precision 10 TPI thread pitch delivers secure fastening with excellent pull-out resistance in sheet metal assemblies

Professional Applications & Engineering Value

These 18-8 stainless steel tapping screws are engineered specifically for sheet metal fastening challenges where corrosion resistance and installation efficiency are critical. The thread forming technology eliminates the need for separate tapping operations, creating strong, wear-resistant threads that won't loosen under vibration. The Phillips pan head design with No. 3 drive size provides excellent torque transmission while maintaining a low-profile appearance. Ideal for HVAC systems, electrical enclosures, and metal fabrication, these A/AB type screws with 0.242" thread diameter offer reliable performance in thin-gauge materials up to 0.025" thickness, making them essential for industrial assembly lines requiring consistent, high-volume fastening solutions.

Specification Summary & Compliance

Manufactured to precise inch system specifications with fully threaded No. 14 size and 10 TPI thread pitch. Features standard thread forming technology with right-hand threading and pointed tip for easy starting. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use in industrial applications worldwide. The pan head profile with 0.476" diameter and 0.169" height provides optimal clamping force distribution.

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