S-94065A245 Length 3/4" Tapping Screws

Tapping Screws

0421FA00012 Tapping Screws
0421FA00012 Tapping Screws

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

Part No.
Part No. 0421FA00012
Equivalent to mcmaster :
94065A245

Basic Information

Tapping Screw Type A/AB
System of Measurement Inch

Head Parameters

Head Type Rounded
Head Diameter 0.373"
Head Height 0.11"
Rounded Head Profile Standard
Rounded Head Style Pan

Dimensions

Length 3/4"
Shank Cross Section Round

Thread Parameters

Screw Size No. 10
Thread Diameter 0.19"
Approximate Threads per Inch 12
Thread Direction Right Hand
Threading Fully Threaded

Tip & Drive Parameters

Tip Type Pointed
Drive Style Drilled Spanner
Drive Size No. 10
Drill Bit Size No. 21
Drill Bit Diameter 0.159"
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 for long-lasting performance in demanding environments.
  • Efficient thread forming design creates strong, secure threads in sheet metal without pre-tapping, reducing installation time.
  • Secure tamper-resistant fastening with drilled spanner drive requiring specialized tools, preventing unauthorized removal.
  • Full-length threading ensures maximum grip and holding power across the entire 3/4" length for reliable sheet metal assemblies.
  • Optimized for 0.025" maximum drilling thickness with precise No. 21 drill bit compatibility for consistent, clean installations.
  • Compliant with RoHS 3 and REACH regulations for safe use in regulated industries and environmentally conscious applications.
  • Right-hand A/AB thread type provides standard, reliable fastening performance compatible with industry practices.

Professional Applications & Engineering Value

This No. 10-12 x 3/4" 18-8 stainless steel tapping screw delivers exceptional value in sheet metal applications where corrosion resistance and installation efficiency are critical. The thread forming technology eliminates the need for separate tapping operations, reducing labor costs and potential cross-threading issues. The drilled spanner pan head provides both a low-profile finish and tamper-resistant security, ideal for enclosures, HVAC systems, and electronic chassis where unauthorized access must be prevented. Manufactured from durable 18-8 stainless steel, these screws maintain integrity in humid or corrosive environments, while the fully threaded design ensures maximum pull-out resistance in thin gauge materials up to 0.025" thickness.

Specification Summary & Compliance

This tapping screw features a No. 10-12 thread with right-hand direction and fully threaded pointed tip. The A/AB thread forming type creates mating threads in prepared holes using a No. 21 drill bit (0.159" diameter). The fastener maintains standard dimensional accuracy for reliable performance and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory acceptance for industrial use.

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