S-93945A066 Length 1" Tapping Screws

Tapping Screws

0431FA00031 Tapping Screws
0431FA00031 Tapping Screws

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

Part No.
Part No. 0431FA00031
Equivalent to mcmaster :
93945A066

Basic Information

Tapping Screw Type A/AB
System of Measurement Inch

Head Parameters

Head Type Flat
Head Diameter 0.462"
Head Height 0.148"
Flat Head Profile Standard

Dimensions

Length 1"
Shank Cross Section Round

Thread Parameters

Screw Size No. 14
Thread Diameter 0.242"
Approximate Threads per Inch 10
Thread Direction Right Hand
Threading Fully Threaded

Tip & Drive Parameters

Tip Type Pointed
Drive Style Square
Drive Size No. 3
Drill Bit Size 5.5 mm
Drill Bit Diameter 0.2165"
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 and extended service life.
  • Efficient thread forming design creates strong, permanent threads in sheet metal without pre-tapping, reducing assembly time and labor costs.
  • Secure installation and reduced cam-out with a square drive that provides high torque transfer and prevents tool slippage during fastening.
  • Flush, professional finish achieved with a standard flat head and 82° countersink angle, ensuring a smooth surface in sheet metal applications.
  • Reliable fastening in thin materials with a maximum drilling thickness of 0.025", perfect for precision sheet metal and light-gauge assemblies.
  • Full threading for maximum grip along the entire 1" length, distributing load evenly and enhancing pull-out resistance.
  • Compliance with environmental regulations including RoHS 3 and REACH, ensuring safe use in regulated industries and global markets.

Professional Applications & Engineering Value

These No. 14 sheet metal tapping screws are engineered to address common challenges in metalworking, such as material fatigue and corrosion. The 18-8 stainless steel composition offers excellent strength and rust resistance, making them suitable for outdoor, marine, or chemical-exposed settings. The thread forming Type A/AB design displaces material to create precise, high-strength threads without chips, eliminating the need for separate tapping operations and reducing assembly errors. With a flat head and 82° countersink angle, they sit flush in pre-drilled holes, preventing snagging and providing a clean aesthetic in applications like HVAC ductwork, electronic enclosures, and automotive panels. The square drive ensures reliable torque application, minimizing strip-outs and improving installation efficiency in high-volume production lines.

Specification Summary & Compliance

This screw features a No. 14 size with a 0.242" thread diameter and 10 threads per inch, adhering to standard inch measurements for consistent fit. The fully threaded 1" length and pointed tip facilitate easy starting and secure engagement in sheet metal up to 0.025" thickness, with a recommended 5.5 mm drill bit for optimal performance. Manufactured to precise dimensional tolerances, it complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and suitability for industrial use.

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