S-93945A071 Length 1 1/2" Tapping Screws

Tapping Screws

0431FA00033 Tapping Screws
0431FA00033 Tapping Screws

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

Part No.
Part No. 0431FA00033
Equivalent to mcmaster :
93945A071

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 1/2"
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 for long-lasting performance in harsh industrial environments
  • Excellent holding power through fully threaded design and thread forming tapping method, ensuring secure fastening in sheet metal applications
  • Enhanced torque transmission with square drive design, reducing cam-out and improving installation efficiency
  • Flush surface finish with standard flat head profile and 82° countersink angle for clean, professional-looking installations
  • Reliable material compliance meeting RoHS 3 and REACH environmental standards for global industrial use
  • Optimized for thin materials with maximum 0.025" drilling thickness capability and 5.5mm drill bit compatibility
  • Industry-standard compatibility with A/AB tapping screw specifications and right-hand threading for universal application

Professional Applications & Engineering Value

These No. 14 flat head tapping screws deliver exceptional engineering value for sheet metal applications where vibration resistance and material integrity are critical. The 18-8 stainless steel construction provides excellent corrosion resistance, making them ideal for outdoor equipment, HVAC systems, and electronic enclosures exposed to moisture. The thread forming design creates strong, permanent threads in parent material without chip removal, eliminating contamination risks in sensitive assemblies. With their square drive configuration and 82° countersink angle, these screws ensure flush mounting while preventing driver slippage during high-torque installation. The fully threaded shank distributes clamping force evenly, preventing material distortion in thin-gauge metals up to 0.025" thickness.

Specification Summary & Compliance

These tapping screws feature precision No. 14 screw size with 1-1/2" length and 0.242" thread diameter at approximately 10 threads per inch. Manufactured to A/AB tapping screw type standards with right-hand threading and standard flat head profile. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations for industrial safety and sustainability. Designed for use with 5.5mm drill bits (0.2165" diameter) and suitable for materials up to 0.025" maximum drilling thickness.

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