S-90065A115 Length 1" Tapping Screws

Tapping Screws

0427FA00025 Tapping Screws
0427FA00025 Tapping Screws

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

Part No.
Part No. 0427FA00025
Equivalent to mcmaster :
90065A115

Basic Information

Tapping Screw Type A
System of Measurement Inch

Head Parameters

Head Type Flat
Head Diameter 0.212"
Head Height 0.067"
Flat Head Profile Standard

Dimensions

Length 1"
Shank Cross Section Round

Thread Parameters

Screw Size No. 4
Thread Diameter 0.112"
Approximate Threads per Inch 24
Thread Direction Right Hand
Threading Fully Threaded

Tip & Drive Parameters

Tip Type Pointed
Drive Style Phillips
Drive Size No. 1
Drill Bit Size No. 44
Drill Bit Diameter 0.086"
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
  • Efficient thread forming technology creates strong, permanent threads in sheet metal without requiring pre-tapped holes
  • Optimized for 0.025" maximum drilling thickness with precise No. 44 drill bit compatibility for consistent installation results
  • Secure Phillips drive system (No. 1 size) provides reliable torque transfer and reduces cam-out during installation
  • Standard 82° flat head profile ensures flush mounting and clean aesthetic finish in sheet metal applications
  • Fully threaded design with pointed tip enables maximum grip length and easier starting in material
  • Environmental compliance assurance with RoHS 3 and REACH standards for sustainable manufacturing practices

Professional Applications & Engineering Value

These No. 4-24 thread forming screws deliver exceptional value in sheet metal fabrication and assembly operations. The 18-8 stainless steel composition provides excellent resistance to oxidation and chemical exposure, making them ideal for industrial environments where durability is critical. The Type A tapping screw design with thread forming technology eliminates the need for separate tapping operations, reducing installation time and labor costs. The fully threaded configuration with pointed tip ensures quick starting and maximum thread engagement throughout the 1" length, providing superior pull-out resistance in thin-gauge materials. The Phillips flat head design with standard 82° countersink creates a smooth, finished appearance while maintaining structural integrity in metalworking applications.

Specification Summary & Compliance

These tapping screws feature precise No. 4-24 thread specifications with right-hand direction and fully threaded design meeting industry standards for Type A thread forming screws. The manufacturing process adheres to strict dimensional tolerances, ensuring consistent performance with recommended No. 44 drill bit (0.086" diameter) for optimal hole preparation. Environmental compliance is verified through RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) compliance, confirming adherence to the latest environmental regulations for industrial fasteners.

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