S-93846A113 Length 3/4" Tapping Screws

Tapping Screws

0474FA00003 Tapping Screws
0474FA00003 Tapping Screws

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

Part No.
Part No. 0474FA00003
Equivalent to mcmaster :
93846A113

Basic Information

Tapping Screw Type BSD
System of Measurement Inch

Head Parameters

Head Type Oval
Head Diameter 0.262"
Head Height 0.128"
Oval Head Profile Standard
Oval Top Height 0.08"

Dimensions

Length 3/4"
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 11/64"
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 0.09"
Technical Drawings No drawings available at the moment, will be launched soon
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Key Features & Benefits at a Glance

  • Corrosion-resistant 18-8 stainless steel construction ensures long-term reliability in harsh or humid environments, reducing maintenance and replacement costs.
  • Self-drilling tip (No. 2 drill type) eliminates the need for pre-drilling, saving valuable assembly time and labor in steel and sheet metal applications.
  • Thread forming (BSD) design creates strong, secure threads in the base material for superior vibration resistance and holding power.
  • Oval head with 82° countersink provides a finished, flush appearance when seated, enhancing both safety and aesthetics.
  • No. 2 Phillips drive offers widespread tool compatibility and efficient installation with common industrial drivers.
  • Fully threaded shank maximizes grip length and load distribution across the entire fastener for a more secure connection.
  • Compliance with RoHS 3 and REACH regulations guarantees the screws are free from hazardous substances, meeting international environmental and safety standards for your projects.

Professional Applications & Engineering Value

These No. 6 x 3/4" oval head tapping screws are precision-engineered to address common challenges in steel and sheet metal fabrication. The 18-8 stainless steel material provides excellent resistance to oxidation and corrosion, making these thread forming screws ideal for outdoor equipment, HVAC systems, and industrial machinery exposed to moisture. The integrated drill tip (capable of penetrating up to 0.09" thickness) streamlines the assembly process by combining drilling and fastening into a single operation, significantly reducing installation time and the risk of misalignment. The BSD tapping method and fully threaded design ensure a tight, durable fit that resists loosening under vibration, providing long-term structural integrity in demanding applications.

Specification Summary & Compliance

This fastener features a No. 6 screw size with a 0.138" thread diameter and 20 threads per inch. The oval head design conforms to standard profiles, and the screw is manufactured for right-hand thread application. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory adherence for global supply chains.

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