S-95639A426 Length 3" Tapping Screws

Tapping Screws

0433FA00033 Tapping Screws
0433FA00033 Tapping Screws

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

Part No.
Part No. 0433FA00033
Equivalent to mcmaster :
95639A426

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 3"
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

  • Exceptional corrosion resistance with 316 stainless steel construction, ideal for harsh environments and outdoor applications
  • Superior holding power through thread forming technology that creates strong, permanent threads in sheet metal without pre-tapping
  • Clean, finished appearance with oval head design that sits flush with material surfaces for professional installations
  • Efficient installation with Phillips No. 2 drive that provides reliable torque transfer and reduces cam-out
  • Full-length threading ensures maximum grip along the entire 3" length for enhanced load distribution
  • Industry compliance with RoHS 3 and REACH regulations for safe, environmentally responsible manufacturing
  • Precision compatibility with No. 21 drill bits and 82° countersink angles for perfect fit in sheet metal applications

Professional Applications & Engineering Value

These 316 stainless steel oval head tapping screws deliver exceptional performance in demanding sheet metal applications where corrosion resistance and structural integrity are paramount. The thread forming design eliminates the need for separate tapping operations, creating strong, vibration-resistant threads that won't loosen under stress. The fully threaded No. 10 configuration with 12 threads per inch provides maximum engagement in materials up to 0.025" thickness, while the oval head profile offers a smooth, finished appearance that reduces snagging hazards in industrial settings. Perfect for HVAC systems, electrical enclosures, and marine equipment where saltwater and chemical exposure would compromise ordinary fasteners.

Specification Summary & Compliance

These No. 10 x 3" tapping screws feature precision 0.19" thread diameter with 12 threads per inch and Class 2A thread tolerances for consistent performance. Manufactured to A/AB tapping screw standards with standard oval head profile and 82° countersink angle compatibility. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across industrial sectors. Designed for use with No. 21 drill bits (0.159" diameter) for optimal installation in sheet metal applications.

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