S-93406A248 Length 3/4" Tapping Screws

Tapping Screws

0417FA00020 Tapping Screws
0417FA00020 Tapping Screws

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

Part No.
Part No. 0417FA00020
Equivalent to mcmaster :
93406A248

Basic Information

Tapping Screw Type A/AB
System of Measurement Inch

Head Parameters

Head Type Rounded
Head Diameter 0.448"
Head Height 0.118"
Rounded Head Profile Wide
Rounded Head Style Truss

Dimensions

Length 3/4"
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"
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

  • Exceptional corrosion resistance with 316 stainless steel construction, ideal for harsh environments and outdoor applications.
  • Superior clamping force and vibration resistance due to the wide truss head design, preventing loosening in sheet metal assemblies.
  • Efficient, secure installation with a No. 2 Phillips drive, providing good torque transfer and reducing cam-out risk.
  • Reliable thread-forming performance for strong, permanent threads in sheet metal without pre-tapping, saving assembly time.
  • Full threading along the 3/4" length ensures maximum grip and holding power across the entire material thickness.
  • Compliance with major environmental regulations including RoHS 3 and REACH, ensuring safety and suitability for regulated industries.
  • Precision-engineered dimensions (No. 10-12 thread, 0.19" diameter) for consistent fit and performance in standard sheet metal applications.

Professional Applications & Engineering Value

This 316 stainless steel tapping screw is specifically engineered for sheet metal applications, where corrosion resistance and high clamping force are critical. The thread forming (Type A/AB) design creates strong, load-bearing threads in ductile materials, eliminating the need for pre-tapped holes and reducing assembly steps. The wide truss head distributes pressure over a larger surface area, minimizing the risk of material distortion and providing excellent resistance to vibration loosening. Combined with a No. 2 Phillips drive, it ensures efficient installation in high-volume production environments. Its full threading and pointed tip allow for quick starts and secure fastening in panels, enclosures, and HVAC components, making it a reliable choice for demanding industrial and marine settings.

Specification Summary & Compliance

This screw conforms to standard inch dimensions: No. 10-12 thread (0.19" diameter, 12 TPI) and a 3/4" length. It is a thread-forming tapping screw (Type A/AB) with a right-hand thread direction and is fully threaded. The product is manufactured to be RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, adhering to strict environmental and safety standards for industrial use.

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