S-90065A078 Length 5/16" Tapping Screws

Tapping Screws

0427FA00016 Tapping Screws
0427FA00016 Tapping Screws

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

Part No.
Part No. 0427FA00016
Equivalent to mcmaster :
90065A078

Basic Information

Tapping Screw Type A
System of Measurement Inch

Head Parameters

Head Type Flat
Head Diameter 0.162"
Head Height 0.051"
Flat Head Profile Standard

Dimensions

Length 5/16"
Shank Cross Section Round

Thread Parameters

Screw Size No. 2
Thread Diameter 0.086"
Approximate Threads per Inch 32
Thread Direction Right Hand
Threading Fully Threaded

Tip & Drive Parameters

Tip Type Pointed
Drive Style Phillips
Drive Size No. 1
Drill Bit Size No. 48
Drill Bit Diameter 0.076"
Countersink Angle 82°
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 industrial environments.
  • Efficient thread forming creates strong, permanent threads in sheet metal without pre-tapping, reducing assembly time.
  • Secure flush mounting with a standard flat head and 82° countersink angle for a smooth, professional finish.
  • Excellent driving torque transfer via the No. 1 Phillips drive, minimizing cam-out and tool slippage.
  • Maximum grip and vibration resistance from fully threaded design, ensuring reliable holding in materials up to 0.025" thick.
  • Precision fit and compatibility with a No. 48 drill bit (0.076" diameter) for accurate, hassle-free installation.
  • Environmental and regulatory compliance with RoHS 3 and REACH, meeting strict international standards for safe use.

Professional Applications & Engineering Value

This No. 2-32 thread forming screw is specifically engineered to address common challenges in sheet metal assembly, such as material fatigue and loosening under stress. The 18-8 stainless steel provides excellent durability and rust resistance, crucial for outdoor or corrosive settings. Its fully threaded design and pointed tip ensure quick, self-tapping starts and uniform load distribution, preventing joint failure. The Phillips flat head with an 82° angle allows for a clean, recessed finish, making it ideal for HVAC, electronics enclosures, and automotive panels where aesthetics and security are paramount. By eliminating the need for separate nuts or washers, it streamlines production and reduces total fastener count, lowering overall assembly costs.

Specification Summary & Compliance

This screw adheres to standard inch measurements with a thread diameter of 0.086" and 32 threads per inch, ensuring precise fit. It is classified as a Type A thread forming screw with right-hand threading, designed for optimal performance in sheet metal up to 0.025" thickness. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free of hazardous substances and safe for industrial use worldwide.

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