S-92525A805 Length 1/4" Tapping Screws

Tapping Screws

0446FA00009 Tapping Screws
0446FA00009 Tapping Screws

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

Part No.
Part No. 0446FA00009
Equivalent to mcmaster :
92525A805

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 1/4"
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 or humid industrial environments.
  • Superior torque transmission and reduced cam-out thanks to the Phillips drive and pan head design for reliable, efficient installation.
  • Secure, vibration-resistant fastening in sheet metal achieved through the thread forming (Type B) tapping method that creates strong mating threads.
  • Full-length threading ensures maximum grip and consistent holding power along the entire 1/4" length.
  • Simplified installation process with a standardized No. 29 drill bit size, reducing preparation time and errors.
  • Compliance with strict environmental standards including RoHS 3 and REACH, making them suitable for regulated global supply chains.
  • Durable, long-lasting performance due to the high-grade material and precision No. 8-18 thread design, minimizing maintenance and replacement needs.

Professional Applications & Engineering Value

Engineered for demanding sheet metal applications, these 316 stainless steel tapping screws solve common industrial challenges like fastener failure in corrosive settings. The thread forming design eliminates the need for pre-tapped holes, creating strong, strip-resistant threads directly in the material, which reduces assembly time and enhances joint integrity. The Phillips pan head provides a low-profile, secure fit that withstands high torque during installation, preventing damage to the drive and ensuring a flush finish. This combination of high-corrosion resistance and robust fastening performance makes them ideal for HVAC systems, electronic enclosures, and outdoor equipment where reliability and longevity are critical.

Specification Summary & Compliance

This screw features a No. 8-18 thread with a 0.164" diameter and is fully threaded for consistent engagement. Manufactured to standard inch dimensions, it is designed for use with a No. 29 drill bit (0.136" diameter). The product complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets environmental and safety standards for industrial components.

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