S-90184A161 Length 1 1/2" Tapping Screws

Tapping Screws

0403FA00020 Tapping Screws
0403FA00020 Tapping Screws

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

Part No.
Part No. 0403FA00020
Equivalent to mcmaster :
90184A161

Basic Information

Type Rounded
Tapping Screw Type A/AB
System of Measurement Inch

Head Parameters

Head Diameter 0.27"
Head Height 0.097"
Rounded Head Profile Standard
Rounded Head Style Pan

Dimensions

Length 1 1/2"
Shank Cross Section Round

Thread Parameters

Screw Size No. 6
Thread Diameter 0.138"
Approximate Threads per Inch 18
Thread Direction Right Hand
Threading Fully Threaded

Tip & Drive Parameters

Tip Type Pointed
Drive Style Phillips
Drive Size No. 2
Drill Bit Size No. 32
Drill Bit Diameter 0.116"
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 in harsh environments thanks to 316 stainless steel construction
  • Efficient thread-forming installation creates strong, permanent threads in sheet metal without pre-tapping
  • Reliable drive engagement with Phillips No. 2 drive style for secure fastening and reduced cam-out risk
  • Optimized for sheet metal applications with a pointed tip and 18 TPI thread design for smooth penetration
  • Maximum material engagement through fully threaded design for enhanced holding power
  • Compliant with industry regulations including RoHS 3 and REACH for safe, sustainable industrial use
  • Standard pan head profile provides a balanced combination of low profile and good bearing surface

Professional Applications & Engineering Value

These 316 stainless steel tapping screws deliver exceptional performance in demanding sheet metal applications where corrosion resistance is critical. The thread forming design eliminates the need for separate tapping operations, creating strong internal threads while minimizing material stress. The fully threaded configuration ensures maximum engagement throughout the fastened materials, providing superior pull-out resistance in thin sheet metal assemblies. The Phillips drive system offers reliable torque transmission during installation, while the pan head design provides adequate clamping force without excessive protrusion. These A/AB type tapping screws are engineered specifically for joining sheet metal components in industrial equipment, enclosures, and structural assemblies where environmental exposure requires premium corrosion protection.

Specification Summary & Compliance

This No. 6 x 1-1/2" tapping screw features standard inch measurements with Class 2A thread tolerances and 18 TPI thread pitch. Manufactured as A/AB type thread forming screws with right-hand threading and fully threaded shank. The product complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring suitability for industrial applications with strict compliance requirements. Designed for use with No. 32 drill bit (0.116" diameter) in materials up to 0.025" thickness.

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