S-95639A421 Length 2" Tapping Screws

Tapping Screws

0433FA00031 Tapping Screws
0433FA00031 Tapping Screws

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

Part No.
Part No. 0433FA00031
Equivalent to mcmaster :
95639A421

Basic Information

Tapping Screw Type A/AB
System of Measurement Inch

Head Parameters

Head Type Oval
Head Diameter 0.362"
Head Height 0.176"
Oval Head Profile Standard
Oval Top Height 0.06"

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 Phillips
Drive Size No. 2
Drill Bit Size No. 21
Drill Bit Diameter 0.159"
Countersink Angle 82°
Tapping Method Thread Forming

Material & Strength

Material 316 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 316 stainless steel construction, ideal for harsh environments and outdoor applications
  • Efficient thread forming design creates strong, permanent threads in sheet metal without requiring pre-tapped holes
  • Secure Phillips drive installation with No. 2 drive size provides reliable torque transfer and reduces cam-out risks
  • Streamlined oval head profile offers a finished appearance while allowing for flush mounting in countersunk applications
  • Full threading along the 2" length ensures maximum grip and holding power throughout the entire fastener engagement
  • Precision-engineered thread dimensions (0.19" diameter, 12 TPI) deliver consistent performance in sheet metal up to 0.025" thickness
  • Compliance with environmental regulations including RoHS 3 and REACH for use in regulated industrial applications

Professional Applications & Engineering Value

These 316 stainless steel oval head tapping screws provide exceptional value in sheet metal fabrication and assembly operations where corrosion resistance is critical. The thread forming design (A/AB type) eliminates the need for separate tapping operations, reducing installation time and labor costs while creating stronger thread engagement than cutting screws. The combination of Phillips drive and oval head profile ensures both installation efficiency and a professional finished appearance. These screws are particularly valuable in electrical enclosures, HVAC systems, marine equipment, and food processing machinery where exposure to moisture, chemicals, or temperature variations would compromise standard fasteners. The fully threaded design maintains consistent clamping force across the entire 2" length, preventing loosening from vibration or thermal cycling.

Specification Summary & Compliance

These No. 10 x 2" tapping screws feature precision thread forming design with 0.19" thread diameter and 12 threads per inch, manufactured to standard A/AB tapping screw specifications. The oval head configuration includes an 82° countersink angle for proper seating in sheet metal applications. All components comply with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring they meet the latest industrial compliance standards for hazardous substance restrictions.

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