S-94195A409 Length 7/8" Tapping Screws

Tapping Screws

0471FA00081 Tapping Screws
0471FA00081 Tapping Screws

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

Part No.
Part No. 0471FA00081
Equivalent to mcmaster :
94195A409

Basic Information

Tapping Screw Type BSD
System of Measurement Inch

Head Parameters

Head Type Flat
Head Diameter 0.262"
Head Height 0.083"
Flat Head Profile Standard

Dimensions

Length 7/8"
Shank Cross Section Round

Thread Parameters

Screw Size No. 6
Thread Diameter 0.138"
Approximate Threads per Inch 20
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 3/16"
Countersink Angle 82°
Tapping Method Thread Forming

Material & Strength

Material 410 Stainless Steel

Temperature & Environment

For Use In Steel, Stainless Steel, Sheet Metal

Installation & Application

Maximum Drilling Thickness 0.09"
Technical Drawings No drawings available at the moment, will be launched soon
In Stock
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Key Features & Benefits at a Glance

  • Eliminates pre-drilling requirements with integrated No. 2 drill tip for faster installation and reduced labor costs in steel and sheet metal
  • Superior corrosion resistance provided by 410 stainless steel material, ensuring long-term reliability in demanding industrial environments
  • Enhanced thread engagement through BSD thread forming technology creates stronger, more vibration-resistant connections than standard threaded fasteners
  • Optimal flush mounting with standard 82° flat head profile that seats perfectly in countersunk applications for clean, professional finishes
  • Maximum material penetration capability drilling through 0.09" thick materials with the 3/16" long drill tip for versatile application range
  • Complete thread coverage with fully threaded 7/8" length provides consistent holding power along the entire fastener engagement
  • Industry-standard compatibility with Phillips No. 2 drive system for familiar, reliable installation using common tools

Professional Applications & Engineering Value

These 410 stainless steel self-drilling screws deliver exceptional value in metal fabrication and construction applications where time efficiency and joint integrity are critical. The combination of thread forming BSD technology and integrated drilling capability addresses the fundamental challenge of creating secure, permanent threads in steel, stainless steel, and sheet metal without separate drilling operations. The fully threaded design ensures maximum surface contact for superior resistance to vibration loosening, while the 82° countersink angle provides clean, flush installations in structural and aesthetic applications alike. Engineered specifically for industrial fastening requirements, these screws significantly reduce assembly time while maintaining the corrosion resistance needed for long-term performance in demanding environments.

Specification Summary & Compliance

Manufactured to precise inch system specifications with No. 6-20 thread size and Class 2A thread tolerances. Features standard right-hand threads with 20 threads per inch and fully threaded shank design. The BSD thread forming tapping method and standard flat head profile comply with industry standards for self-drilling tapping screws. Manufactured from 410 stainless steel meeting industry material specifications and compliant with RoHS and REACH environmental standards for industrial fastener applications.

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