S-90065A198 Length 7/8" Tapping Screws

Tapping Screws

0427FA00047 Tapping Screws
0427FA00047 Tapping Screws

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

Part No.
Part No. 0427FA00047
Equivalent to mcmaster :
90065A198

Basic Information

Tapping Screw Type A
System of Measurement Inch

Head Parameters

Head Type Flat
Head Diameter 0.312"
Head Height 0.1"
Flat Head Profile Standard

Dimensions

Length 7/8"
Shank Cross Section Round

Thread Parameters

Screw Size No. 8
Thread Diameter 0.164"
Approximate Threads per Inch 15
Thread Direction Right Hand
Threading Fully Threaded

Tip & Drive Parameters

Tip Type Pointed
Drive Style Phillips
Drive Size No. 2
Drill Bit Size No. 29
Drill Bit Diameter 0.136"
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

  • Corrosion-resistant performance with 18-8 stainless steel construction for long-lasting reliability in demanding industrial environments
  • Superior thread forming capability creates strong, permanent threads in sheet metal without requiring pre-tapped holes
  • Optimized Phillips drive design (No. 2 size) ensures secure tool engagement and reduces cam-out during installation
  • Complete flush mounting with standard flat head profile and 82° countersink angle for smooth surface finishes
  • Maximum material penetration through fully threaded design and pointed tip, accommodating up to 0.025" drilling thickness
  • Precision dimensional consistency with No. 8-15 thread specification ensuring reliable performance across multiple installations
  • Environmental compliance assurance meeting RoHS 3 and REACH regulations for safe, sustainable manufacturing

Professional Applications & Engineering Value

These 18-8 stainless steel tapping screws deliver exceptional value in sheet metal fabrication and assembly operations. The thread forming technology eliminates the need for separate tapping operations, significantly reducing installation time and labor costs while creating stronger thread engagement in metal substrates. The Type A tapping screw design with fully threaded configuration and pointed tip ensures quick starting and smooth penetration through materials up to 0.025" thickness. The Phillips flat head with standard profile provides a clean, flush finish that meets aesthetic requirements while the corrosion-resistant properties of 18-8 stainless steel ensure long-term performance in challenging environments, from HVAC systems to electronic enclosures and automotive components.

Specification Summary & Compliance

This No. 8-15 x 7/8" tapping screw features precise dimensional specifications including 0.164" thread diameter, 15 threads per inch, and standard flat head profile with 82° countersink angle. Manufactured to Type A thread forming standards with right-hand threading and round shank cross-section. Compatible with No. 29 drill bit (0.136" diameter) for optimal performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across industrial applications.

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