S-90395A253 Length 2" Tapping Screws

Tapping Screws

0409FA00019 Tapping Screws
0409FA00019 Tapping Screws

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

Part No.
Part No. 0409FA00019
Equivalent to mcmaster :
90395A253

Basic Information

Tapping Screw Type A/AB
System of Measurement Inch

Head Parameters

Head Type Rounded
Head Diameter 0.373"
Head Height 0.137"
Rounded Head Profile Standard
Rounded Head Style Pan

Dimensions

Length 2"
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 Square
Drive Size No. 2
Drill Bit Size No. 21
Drill Bit Diameter 0.159"
Tapping Method Thread Forming

Material & Strength

Material Zinc-Plated 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 zinc-plated steel construction, extending service life in demanding industrial environments
  • Efficient thread forming design creates strong, permanent threads in sheet metal without chips or pre-tapping requirements
  • Maximum material penetration with fully threaded shank and pointed tip for secure fastening up to 0.025" thickness
  • Secure drive engagement with No. 2 square drive system preventing cam-out and ensuring reliable installation
  • Optimized head design with pan style and rounded profile providing ample bearing surface while maintaining low profile
  • Precision compatibility with standard No. 21 drill bits (0.159" diameter) for streamlined installation processes
  • Regulatory compliance assurance meeting RoHS 3 and REACH standards for global industrial applications

Professional Applications & Engineering Value

These No. 10-12 thread forming tapping screws deliver exceptional performance in sheet metal assembly applications where vibration resistance and pull-out strength are critical. The zinc-plated steel construction provides reliable corrosion protection while maintaining the high tensile strength required for industrial fastening. The A/AB tapping screw type with right-hand threading and 12 threads per inch creates durable, load-bearing threads in metal substrates without requiring pre-tapped holes. The pan head design with square drive ensures positive tool engagement during installation, reducing installation time and preventing damage to fastener heads. These fully threaded screws with pointed tips are engineered specifically for sheet metal applications where maximum holding power and ease of installation are paramount for production efficiency.

Specification Summary & Compliance

These inch-system fasteners feature precision 0.19" thread diameter with Class 2A thread tolerances and conform to standard thread forming specifications. The manufacturing process adheres to RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) standards, ensuring environmental responsibility and material safety. With 2" length and 0.373" head diameter, these screws provide consistent dimensional accuracy for reliable performance in industrial assembly applications requiring sheet metal fastening solutions.

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