S-94065A313 Length 3/4" Tapping Screws

Tapping Screws

0421FA00019 Tapping Screws
0421FA00019 Tapping Screws

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

Part No.
Part No. 0421FA00019
Equivalent to mcmaster :
94065A313

Basic Information

Tapping Screw Type A/AB
System of Measurement Inch

Head Parameters

Head Type Rounded
Head Diameter 0.492"
Head Height 0.144"
Rounded Head Profile Standard
Rounded Head Style Pan

Dimensions

Length 3/4"
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 Drilled Spanner
Drive Size No. 14
Drill Bit Size 5.5 mm
Drill Bit Diameter 0.2165"
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
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Key Features & Benefits at a Glance

  • Superior corrosion resistance with 18-8 stainless steel construction, ensuring long-term reliability in harsh industrial environments.
  • Efficient thread forming design creates strong, permanent threads in sheet metal without pre-tapping, reducing installation time and labor costs.
  • Secure spanner drive compatibility with drilled head allows for high-torque application and prevents stripping in demanding assembly operations.
  • Full threading along the 3/4" length provides maximum grip and uniform stress distribution across the entire fastened joint.
  • Precision-engineered pan head with 0.492" diameter offers a low-profile finish and excellent bearing surface for consistent clamping force.
  • Compliance with RoHS 3 and REACH regulations guarantees environmental safety and meets global supply chain requirements for hazardous substance restrictions.
  • Optimized for 0.2165" drill bits and sheet metal up to 0.025" thickness, ensuring perfect fit and reduced material deformation during installation.

Professional Applications & Engineering Value

This No. 14-10 x 3/4" stainless steel tapping screw is specifically engineered for sheet metal fabrication where durability and corrosion resistance are critical. The thread forming tapping method (Type A/AB) displaces material to create strong internal threads without generating chips, eliminating cleanup and improving joint integrity in thin-gauge metals. Manufactured from 18-8 stainless steel, it withstands exposure to moisture, chemicals, and outdoor conditions, making it ideal for HVAC systems, electronic enclosures, and automotive assemblies. The drilled spanner drive accommodates specialized tools for secure installation in confined spaces, while the fully threaded design and pointed tip ensure quick starts and consistent performance in high-vibration environments.

Specification Summary & Compliance

This tapping screw features a No. 14-10 thread size with 0.242" diameter and 10 threads per inch in a right-hand direction. It meets standard dimensional tolerances for inch-series fasteners and is manufactured in compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to environmental and safety standards for industrial use.

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