S-92685A220 Length 3/4" Tapping Screws

Tapping Screws

0485FA00002 Tapping Screws
0485FA00002 Tapping Screws

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

Part No.
Part No. 0485FA00002
Equivalent to mcmaster :
92685A220

Basic Information

Tapping Screw Type BSD
Screw Features Flanged
System of Measurement Inch

Head Parameters

Head Type Hex
Head Width 1/4"
Head Height 0.195"

Dimensions

Length 3/4"
Flange Diameter 3/8"
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
Locking Type Serrations

Tip & Drive Parameters

Tip Type Drilling
Drive Style External Hex
Drill Tip Type No. 2
Drill Tip Length 3/16"
Tapping Method Thread Forming

Material & Strength

Material Zinc-Plated Steel

Temperature & Environment

For Use In Steel, Sheet Metal

Installation & Application

Maximum Drilling Thickness 0.098"
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 zinc-plated steel construction, ensuring long-lasting performance in industrial environments.
  • Efficient thread forming design creates secure, permanent threads in steel and sheet metal without pre-tapping, reducing installation time.
  • Enhanced locking stability with serrated flange design that prevents loosening under vibration and dynamic loads.
  • Quick penetration capability with integrated drilling tip that eliminates pilot holes for materials up to 0.098" thick.
  • High-torque installation enabled by external hex drive and 1/4" hex head for reliable fastening in confined spaces.
  • Full-thread engagement along the 3/4" length provides maximum pull-out strength and uniform stress distribution.
  • Industry-standard compatibility with BSD tapping screw specifications for consistent performance across applications.

Professional Applications & Engineering Value

These No. 8 zinc-plated steel tapping screws deliver exceptional value in steel and sheet metal assemblies where vibration resistance and corrosion protection are critical. The thread forming action cold-works material to create stronger threads than cut threads, eliminating chip removal issues in automated production. The flanged hex head with serrations provides distributed clamping force while preventing rotational slip, solving common loosening problems in machinery and electrical enclosures. With their self-drilling tip capable of penetrating 0.098" thickness, these BSD tapping screws significantly reduce installation steps and labor costs in high-volume manufacturing environments.

Specification Summary & Compliance

Manufactured to BSD tapping screw standards with right-hand threads and 18 threads per inch precision. Features Class 2A thread tolerances for reliable engagement and fully threaded 3/4" length for consistent performance. Complies with RoHS and REACH environmental directives and meets industrial fastener specifications for material composition and mechanical properties.

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