S-90065A022 Length 5/16" Tapping Screws

Tapping Screws

0427FA00004 Tapping Screws
0427FA00004 Tapping Screws

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

Part No.
Part No. 0427FA00004
Equivalent to mcmaster :
90065A022

Basic Information

Tapping Screw Type AB
System of Measurement Inch

Head Parameters

Head Type Flat
Head Diameter 0.112"
Head Height 0.035"
Flat Head Profile Standard

Dimensions

Length 5/16"
Shank Cross Section Round

Thread Parameters

Screw Size No. 0
Thread Diameter 0.06"
Approximate Threads per Inch 48
Thread Direction Right Hand
Threading Fully Threaded

Tip & Drive Parameters

Tip Type Pointed
Drive Style Phillips
Drive Size No. 0
Drill Bit Size No. 55
Drill Bit Diameter 0.052"
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 demanding environments
  • Efficient thread forming with AB type design creates strong, permanent threads without chips in sheet metal applications
  • Precise 82° countersink angle ensures flush mounting and clean professional finishes
  • Full threading with pointed tip enables faster installation and superior holding power
  • Optimized for No. 55 drill bits with 0.025" maximum drilling thickness for consistent, reliable performance
  • Environmental compliance assurance with RoHS 3 and REACH compliance for global market acceptance
  • High thread density with 48 TPI provides exceptional grip strength in thin materials

Professional Applications & Engineering Value

These No. 0 Phillips flat head tapping screws are engineered specifically for sheet metal applications where reliability and precision are paramount. The 18-8 stainless steel composition delivers excellent corrosion resistance, making these thread forming screws ideal for HVAC systems, electronic enclosures, and automotive components exposed to harsh conditions. The AB type thread forming design eliminates the need for tapped holes, reducing installation time and labor costs while creating stronger thread engagement. With 48 TPI precision and fully threaded construction, these screws provide maximum pull-out resistance in thin-gauge materials, solving common challenges of strip-out and loose fasteners in industrial assemblies.

Specification Summary & Compliance

These precision tapping screws feature standard inch measurements with 5/16" length and 0.06" thread diameter. The right-hand threaded design follows industry standards for thread forming applications, while the standard flat head profile with 82° countersink angle ensures proper seating. Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global markets. The screws are optimized for use with No. 55 drill bits (0.052" diameter) in materials up to 0.025" thickness.

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