S-90122A313 Length 3/4" Tapping Screws

Tapping Screws

0477FA00001 Tapping Screws
0477FA00001 Tapping Screws

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

Part No.
Part No. 0477FA00001
Equivalent to mcmaster :
90122A313

Basic Information

Tapping Screw Type BSD
Screw Features Flanged
System of Measurement Inch

Head Parameters

Head Type Hex
Head Width 0.313"
Head Height 0.151"

Dimensions

Length 3/4"
Flange Diameter 0.414"
Shank Cross Section Round

Thread Parameters

Screw Size No. 10
Thread Diameter 0.19"
Approximate Threads per Inch 16
Thread Direction Right Hand
Threading Fully Threaded

Tip & Drive Parameters

Tip Type Drilling
Drive Style External Hex
Drill Tip Type No. 3
Drill Tip Length 1/4"
Tapping Method Thread Forming

Material & Strength

Material Ultra-Corrosion-Resistant Coated Alloy Steel

Temperature & Environment

For Use In Aluminum, Sheet Metal
RoHS Compliant

Installation & Application

Maximum Drilling Thickness 0.15"
Technical Drawings No drawings available at the moment, will be launched soon
In Stock
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Key Features & Benefits at a Glance

  • Exceptional corrosion protection with ultra-corrosion-resistant coated alloy steel for extended service life in harsh environments
  • Integrated drilling tip eliminates pre-drilling, saving time and labor costs in aluminum and sheet metal assembly
  • Flanged hex head design provides superior bearing surface and eliminates the need for separate washers
  • Thread forming (BSD) action creates strong, secure threads in ductile materials without chip removal
  • Full threading along the 3/4" length ensures maximum grip and uniform clamping force distribution
  • External hex drive allows for high-torque installation with common tools and secure fastening
  • RoHS 3 compliance meets stringent environmental regulations for safe use in industrial applications

Professional Applications & Engineering Value

Engineered for demanding aluminum and sheet metal fabrication, these No. 10-16 tapping screws solve critical assembly challenges. The ultra-corrosion-resistant coated alloy steel construction prevents rust and degradation, ensuring long-term structural integrity in exposed or humid conditions. The integrated drilling tip (No. 3 type) with a 1/4" length penetrates up to 0.15" maximum thickness, streamlining installation by combining drilling and tapping into a single operation. This thread forming (BSD) design produces zero chips, preventing contamination in sensitive assemblies like electrical enclosures, HVAC systems, and automotive components. The flanged hex head with external hex drive provides excellent torque transmission and distributes clamp load effectively, reducing material stress and improving joint reliability in high-vibration environments.

Specification Summary & Compliance

This No. 10-16 x 3/4" flanged hex head tapping screw features a 0.19" thread diameter with 16 threads per inch in a right-hand direction. Manufactured to BSD tapping screw standards with fully threaded thread forming design for superior performance in ductile metals. The product is RoHS 3 (2015/863/EU) Compliant, ensuring adherence to environmental regulations for industrial fastener applications.

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