S-90065A312 Length 5/8" Tapping Screws

Tapping Screws

0427FA00088 Tapping Screws
0427FA00088 Tapping Screws

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

Part No.
Part No. 0427FA00088
Equivalent to mcmaster :
90065A312

Basic Information

Tapping Screw Type A
System of Measurement Inch

Head Parameters

Head Type Flat
Head Diameter 0.462"
Head Height 0.103"
Flat Head Profile Undercut

Dimensions

Length 5/8"
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 Phillips
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, ensuring long-term reliability in harsh industrial environments.
  • Efficient thread forming design for Type A tapping creates secure, vibration-resistant threads in sheet metal without pre-tapping.
  • Precise 82° countersink angle with undercut flat head provides flush seating and prevents surface protrusion in finished assemblies.
  • Optimized for 0.2165" drill bits and maximum 0.025" drilling thickness, enabling quick installation in standard sheet metal applications.
  • Full RoHS 3 and REACH compliance guarantees environmental safety and meets stringent international regulatory standards.
  • No. 3 Phillips drive ensures high torque transfer and reduces cam-out during installation for improved work efficiency.
  • Fully threaded No. 14 shank with 10 threads per inch delivers maximum holding power across the entire 5/8" length.

Professional Applications & Engineering Value

These Type A thread forming screws are engineered specifically for sheet metal applications where reliable fastening and corrosion resistance are critical. The 18-8 stainless steel composition provides excellent durability against oxidation and chemical exposure, while the undercut flat head design with 82° countersink ensures seamless flush mounting in precision assemblies. The thread forming tapping method eliminates the need for separate tapping operations, reducing installation time and preventing loose connections in thin-gauge materials. Ideal for HVAC systems, electronic enclosures, and industrial equipment, these Phillips flat head tapping screws deliver consistent performance where vibration resistance and environmental compliance are paramount concerns.

Specification Summary & Compliance

Manufactured to precise inch system specifications including No. 14 screw size, 0.242" thread diameter, and 10 threads per inch. Features fully threaded right-hand configuration with pointed tip for easy starting. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and restricted substance compliance. The flat head profile includes undercut design with standard 82° countersink angle for proper seating in prepared holes.

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