S-92325A104 Length 3" Tapping Screws

Tapping Screws

0518FA00004 Tapping Screws
0518FA00004 Tapping Screws

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

Part No.
Part No. 0518FA00004
Equivalent to mcmaster :
92325A104

Basic Information

System of Measurement Inch

Head Parameters

Head Type Rounded
Head Diameter 0.322"
Head Height 0.115"
Rounded Head Profile Standard
Rounded Head Style Pan

Dimensions

Length 3"
Shank Cross Section Round

Thread Parameters

Screw Size No. 8
Thread Diameter 0.164"
Approximate Threads per Inch 11
Thread Direction Right Hand
Threading Fully Threaded

Tip & Drive Parameters

Tip Type Pointed
Drive Style Phillips
Drive Size No. 2
Drill Bit Size No. 29
Drill Bit Diameter 0.136"
Tapping Method Thread Forming

Material & Strength

Material 410 Stainless Steel

Temperature & Environment

For Use In Plastic
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 410 stainless steel construction for long-lasting performance in demanding environments
  • Excellent thread-forming capability creates strong, permanent threads in plastic materials without pre-tapping
  • Optimized drive efficiency with Phillips No. 2 drive for reliable installation and reduced cam-out risk
  • Maximum holding power through fully threaded design that distributes load evenly along the entire fastener length
  • Easy alignment and penetration with pointed tip design for quick starts and reduced installation time
  • Secure fastening surface with pan head profile providing good bearing area and professional appearance
  • Precision installation guidance with recommended No. 29 drill bit (0.136") for optimal thread formation and pull-out resistance

Professional Applications & Engineering Value

These thread forming screws are specifically engineered for plastic applications where traditional fastening methods often fail. The 410 stainless steel construction provides excellent corrosion resistance while maintaining the necessary hardness for effective thread forming. The fully threaded design with 11 threads per inch ensures maximum engagement in plastic substrates, preventing stripping and pull-out failures common in plastic assemblies. The Phillips drive system offers reliable torque transfer during installation, while the pointed tip facilitates easy starting without damaging the material. These screws are ideal for automotive trim, electronic enclosures, and industrial plastic components where vibration resistance and long-term reliability are critical.

Specification Summary & Compliance

This No. 8 x 3" tapping screw features a 0.164" thread diameter with right-hand thread direction and standard inch system measurements. The screw meets industry standards for thread forming screws with proper Class 2A thread fit and is manufactured to precise dimensional tolerances. The pan head design with 0.322" head diameter and 0.115" head height provides optimal clamping force distribution. For proper installation, use the specified No. 29 drill bit (0.136" diameter) to ensure correct thread engagement and maximum holding strength in plastic materials.

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