S-93406A402 Length 7/16" Tapping Screws

Tapping Screws

0416FA00066 Tapping Screws
0416FA00066 Tapping Screws

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

Part No.
Part No. 0416FA00066
Equivalent to mcmaster :
93406A402

Basic Information

Tapping Screw Type A/AB
System of Measurement Inch

Head Parameters

Head Type Rounded
Head Diameter 0.321"
Head Height 0.086"
Rounded Head Profile Wide
Rounded Head Style Truss

Dimensions

Length 7/16"
Shank Cross Section Round

Thread Parameters

Screw Size No. 6
Thread Diameter 0.138"
Approximate Threads per Inch 18
Thread Direction Right Hand
Threading Fully Threaded

Tip & Drive Parameters

Tip Type Pointed
Drive Style Phillips
Drive Size No. 2
Drill Bit Size No. 32
Drill Bit Diameter 0.116"
Tapping Method Thread Forming

Material & Strength

Material 18-8 Stainless Steel

Temperature & Environment

For Use In Sheet Metal
REACH Compliant
RoHS Compliant

Installation & Application

Maximum Drilling Thickness 0.025"
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 18-8 stainless steel construction, ideal for harsh environments and long-term reliability.
  • Enhanced load distribution due to the wide truss head design, reducing the risk of material damage in thin sheet metal.
  • Efficient thread forming with A/AB type tapping, creating strong, secure threads without pre-tapping for faster assembly.
  • Reliable drive engagement using a Phillips No. 2 drive, minimizing cam-out and ensuring consistent torque application.
  • Full threading along the 7/16" length provides maximum grip and holding power in sheet metal applications.
  • Compliance with RoHS 3 and REACH regulations ensures safe, environmentally responsible use in industrial settings.
  • Optimized for 0.025" maximum drilling thickness, offering precise performance in standard sheet metal work.

Professional Applications & Engineering Value

This No. 6 x 7/16" Truss Head Tapping Screw is engineered to address common challenges in sheet metal fastening, such as material stripping and corrosion-induced failure. The 18-8 stainless steel material provides excellent durability and resistance to rust, making it suitable for outdoor or humid conditions. Its thread forming (A/AB type) design allows for easy installation without pre-drilled threads, reducing labor time and improving assembly efficiency. The wide truss head distributes clamping force evenly, preventing deformation in thin-gauge metals. With a Phillips drive and fully threaded shank, it ensures secure, vibration-resistant connections in HVAC, automotive, and electronics enclosures, delivering reliable performance where precision and longevity are critical.

Specification Summary & Compliance

This screw features a thread diameter of 0.138" with approximately 18 threads per inch, adhering to standard tapping screw dimensions for consistent fit. It is fully threaded and designed for use with a No. 32 drill bit (0.116" diameter), supporting precise installation in sheet metal up to 0.025" thickness. The product complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets strict environmental and safety standards for industrial components.

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