S-92525A818 Length 1/2" Tapping Screws

Tapping Screws

0446FA00012 Tapping Screws
0446FA00012 Tapping Screws

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

Part No.
Part No. 0446FA00012
Equivalent to mcmaster :
92525A818

Basic Information

Tapping Screw Type B
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 1/2"
Shank Cross Section Round

Thread Parameters

Screw Size No. 8
Thread Diameter 0.164"
Approximate Threads per Inch 18
Thread Direction Right Hand
Threading Fully Threaded

Tip & Drive Parameters

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

Material & Strength

Material 316 Stainless Steel

Temperature & Environment

For Use In Sheet Metal
REACH Compliant
RoHS Compliant
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 industrial environments and outdoor applications.
  • Superior holding power in sheet metal due to the Type B thread forming design, which creates strong, permanent threads without pre-tapping.
  • Efficient and secure installation with a Phillips No. 2 drive, reducing cam-out and allowing for high-torque application with standard tools.
  • Full threading along the 1/2" length ensures maximum grip and uniform stress distribution for reliable, long-term fastening.
  • Precision compatibility with a No. 29 drill bit (0.136" diameter), simplifying hole preparation and reducing assembly time.
  • Compliance with RoHS 3 and REACH regulations guarantees environmental safety and meets global industrial standards for hazardous substances.
  • Durable pan head design provides a low-profile, rounded finish that resists snagging and offers a clean appearance.

Professional Applications & Engineering Value

This 316 stainless steel tapping screw is engineered to address common challenges in sheet metal applications, such as vibration loosening and corrosion-induced failure. The Type B thread forming technique displaces material to create robust internal threads, eliminating the need for separate tapping operations and reducing labor costs. Its fully threaded shank and 18 threads per inch ensure a tight fit, enhancing pull-out resistance in thin materials. The Phillips drive facilitates quick installation with standard drivers, while the blunt tip prevents damage to pre-drilled holes. Ideal for HVAC, automotive, and electronics enclosures, this screw provides reliable performance in demanding conditions where corrosion resistance and regulatory compliance are critical.

Specification Summary & Compliance

This screw adheres to standard inch measurements with a thread diameter of 0.164" and length of 1/2", ensuring precise fit in sheet metal applications. The thread forming design follows Type B specifications, providing consistent performance without pre-threaded holes. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming the absence of restricted substances for safe industrial use. Manufactured to high tolerances, this tapping screw meets industry standards for durability and environmental responsibility.

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