S-93406A299 Length 1 1/2" Tapping Screws

Tapping Screws

0417FA00028 Tapping Screws
0417FA00028 Tapping Screws

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

Part No.
Part No. 0417FA00028
Equivalent to mcmaster :
93406A299

Basic Information

Tapping Screw Type A/AB
System of Measurement Inch

Head Parameters

Head Type Rounded
Head Diameter 0.511"
Head Height 0.134"
Rounded Head Profile Wide
Rounded Head Style Truss

Dimensions

Length 1 1/2"
Shank Cross Section Round

Thread Parameters

Screw Size No. 12
Thread Diameter 0.216"
Approximate Threads per Inch 11
Thread Direction Right Hand
Threading Fully Threaded

Tip & Drive Parameters

Tip Type Pointed
Drive Style Phillips
Drive Size No. 3
Drill Bit Size 3/16"
Drill Bit Diameter 0.1875"
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
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Key Features & Benefits at a Glance

  • Superior corrosion resistance with 316 stainless steel construction for long-lasting performance in harsh environments
  • Efficient thread forming technology eliminates need for pre-tapping, reducing installation time and labor costs
  • Enhanced load distribution from wide truss head design prevents pull-through in thin sheet metal applications
  • Secure Phillips drive engagement with No. 3 drive size provides reliable torque transmission during installation
  • Full threading along 1-1/2" length ensures maximum grip strength and vibration resistance in assembled joints
  • Optimized for 0.1875" pre-drilled holes in sheet metal up to 0.025" thickness for precise, secure fastening
  • Compliance with environmental regulations including RoHS 3 and REACH for safe industrial use worldwide

Professional Applications & Engineering Value

These 316 stainless steel tapping screws are specifically engineered for demanding sheet metal applications where corrosion resistance and structural integrity are paramount. The thread forming design creates strong, permanent threads in pre-drilled holes without removing material, eliminating chip accumulation issues common in metalworking. The wide truss head profile provides superior clamping force distribution, preventing deformation in thin-gauge materials while the Phillips drive system ensures consistent installation torque. Ideal for HVAC systems, electronic enclosures, and industrial equipment assembly, these thread forming screws deliver reliable performance in environments exposed to moisture, chemicals, and temperature variations.

Specification Summary & Compliance

Manufactured to precise inch system dimensions: No. 12 screw size with 0.216" thread diameter, 11 threads per inch, and 1-1/2" fully threaded length. Features Class 2A thread tolerances and A/AB tapping screw standards for consistent performance. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and industrial compliance. Designed for use with 3/16" drill bits in sheet metal applications requiring maximum drilling thickness of 0.025".

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