S-93846A122 Length 2" Tapping Screws

Tapping Screws

0474FA00011 Tapping Screws
0474FA00011 Tapping Screws

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

Part No.
Part No. 0474FA00011
Equivalent to mcmaster :
93846A122

Basic Information

Tapping Screw Type BSD
System of Measurement Inch

Head Parameters

Head Type Oval
Head Diameter 0.312"
Head Height 0.152"
Oval Head Profile Standard
Oval Top Height 0.091"

Dimensions

Length 2"
Shank Cross Section Round

Thread Parameters

Screw Size No. 8
Thread Diameter 0.164"
Approximate Threads per Inch 18
Thread Direction Right Hand
Threading Fully Threaded

Tip & Drive Parameters

Tip Type Drilling
Drive Style Phillips
Drive Size No. 2
Drill Tip Type No. 2
Drill Tip Length 7/32"
Countersink Angle 82°
Tapping Method Thread Forming

Material & Strength

Material 18-8 Stainless Steel

Temperature & Environment

For Use In Steel, Sheet Metal
REACH Compliant
RoHS Compliant

Installation & Application

Maximum Drilling Thickness 0.1"
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 environments
  • Efficient self-drilling capability with integrated drill tip eliminates pre-drilling, saving time and labor costs
  • Strong thread-forming action creates secure, vibration-resistant connections in steel and sheet metal applications
  • Streamlined oval head design provides a flush finish with standard 82° countersink angles for clean aesthetics
  • Reliable Phillips drive ensures common tool compatibility and consistent installation torque control
  • Full threading along 2" length maximizes grip range and load distribution across connected materials
  • Compliance with environmental regulations including RoHS 3 and REACH for global market acceptance

Professional Applications & Engineering Value

These 18-8 stainless steel oval head tapping screws deliver exceptional value in steel and sheet metal fabrication where corrosion resistance and installation efficiency are critical. The thread forming BSD design creates permanent, tight-fitting threads without chip removal, preventing loosening under vibration while maintaining material integrity. The integrated No. 2 drill tip penetrates up to 0.1" thickness, eliminating separate drilling operations and reducing assembly time by up to 50%. The fully threaded shank ensures maximum engagement in varying material thicknesses, while the Phillips drive provides familiar, reliable installation for production line environments. These features make them ideal for HVAC systems, electrical enclosures, and structural panel applications where durability and rapid assembly are paramount.

Specification Summary & Compliance

Manufactured to precise dimensional standards with 0.164" thread diameter and 18 threads per inch for consistent performance. Features standard oval head profile with 82° countersink angle and fully threaded Class 2A tolerance design. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use in industrial and commercial applications worldwide. The thread forming tapping method follows industry-standard BSD specifications for reliable performance in steel and sheet metal substrates.

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