S-98248A470 Length 3/4" Tapping Screws

Tapping Screws

0478FA00005 Tapping Screws
0478FA00005 Tapping Screws

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

Part No.
Part No. 0478FA00005
Equivalent to mcmaster :
98248A470

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. 2
Drill Tip Length 13/64"
Tapping Method Thread Forming

Material & Strength

Material 7075 Aluminum

Temperature & Environment

For Use In Aluminum

Installation & Application

Maximum Drilling Thickness 0.106"
Technical Drawings No drawings available at the moment, will be launched soon
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Key Features & Benefits at a Glance

  • Eliminates pre-drilling requirements with its integrated drilling tip that penetrates up to 0.106" thick aluminum, saving time and labor costs.
  • Superior corrosion resistance thanks to the high-strength 7075 aluminum alloy, ideal for harsh or outdoor industrial environments.
  • Enhanced holding power and vibration resistance from the thread forming design, which creates strong, permanent threads in aluminum substrates.
  • Secure and easy installation with the external hex head and flange, providing a larger bearing surface and preventing pull-through.
  • Streamlined assembly process with the fully threaded, right-hand design ensuring consistent engagement and reliable fastening.
  • High-strength, lightweight fastening solution using 7075 aluminum, reducing overall weight without compromising structural integrity.
  • Wide compatibility with standard hex tools, making it a versatile choice for various aluminum fabrication and assembly applications.

Professional Applications & Engineering Value

This No. 10-16 x 3/4" 7075 Aluminum Flanged Tapping Screw is engineered to solve common challenges in aluminum assembly, such as material galling and the need for secondary operations. The thread forming design cold-forms threads into the aluminum, creating a tighter fit and superior resistance to loosening under vibration compared to traditional cutting screws. Its integrated drilling tip (Type No. 2) allows for direct installation into aluminum sheets up to 0.106" thick, eliminating the cost and alignment issues associated with pre-drilling. Manufactured from 7075 aluminum, this hex head flange screw offers an exceptional strength-to-weight ratio and natural corrosion resistance, making it a top-tier choice for demanding applications in aerospace, automotive, and high-performance electronics enclosures where weight savings and durability are critical.

Specification Summary & Compliance

This screw conforms to BSD (British Standard Drilling) specifications for tapping screws. Key dimensional specifications include a No. 10 screw size, 16 TPI (Threads Per Inch), and a 3/4" length. The thread forming tapping method and fully threaded shank ensure consistent performance. The fastener is manufactured from 7075 aluminum and is compliant with industry standards for material composition and dimensional accuracy, suitable for professional and industrial use.

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