S-94061A155 Length 1 1/4" Tapping Screws

Tapping Screws

0474FA00031 Tapping Screws
0474FA00031 Tapping Screws

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

Part No.
Part No. 0474FA00031
Equivalent to mcmaster :
94061A155

Basic Information

Tapping Screw Type BSD
System of Measurement Inch

Head Parameters

Head Type Oval
Head Diameter 0.279"
Head Height 0.128"
Oval Head Profile Standard
Oval Top Height 0.045"

Dimensions

Length 1 1/4"
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 9/64"
Countersink Angle 82°
Tapping Method Thread Forming

Material & Strength

Material Zinc-Plated Steel

Temperature & Environment

For Use In Steel, Sheet Metal
RoHS Compliant

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

  • Superior corrosion resistance with zinc-plated steel construction, ensuring long-term reliability in harsh industrial environments
  • Effortless installation through the integrated drilling tip that penetrates up to 0.09" thickness without pre-drilling, saving time and labor costs
  • Secure, flush fastening with the standard oval head design that sits neatly in countersunk applications for a professional finish
  • High torque resistance and reduced cam-out thanks to the Phillips No. 2 drive, providing consistent driving performance
  • Strong, durable threads created by the thread forming (BSD) method, which displaces material for superior hold in steel and sheet metal
  • Full-length threading ensures maximum grip along the entire 1-1/4" length, enhancing pull-out strength in demanding applications
  • Compliance with RoHS 3 standards, guaranteeing environmentally safe materials for global industrial use

Professional Applications & Engineering Value

These zinc-plated steel tapping screws are engineered to address common challenges in steel and sheet metal fabrication, where speed, strength, and corrosion resistance are critical. The thread forming design eliminates the need for tapped holes, reducing assembly steps and minimizing the risk of cross-threading. With a specialized drilling tip that penetrates up to 0.09" thickness, these BSD tapping screws streamline installation in HVAC, automotive, and construction projects. The oval head with Phillips drive ensures a secure, flush fit that resists vibration loosening, while the fully threaded shank distributes load evenly for enhanced joint integrity in high-stress environments.

Specification Summary & Compliance

This No. 6 x 1-1/4" tapping screw features a right-hand thread with approximately 20 threads per inch and complies with standard BSD tapping screw specifications. The zinc-plated steel material and thread forming method ensure consistent performance in Class 2A tolerance applications. It is fully RoHS 3 (2015/863/EU) Compliant, meeting international environmental and safety regulations for industrial components.

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