S-90356A331 Length 1" Tapping Screws

Tapping Screws

0402FA00018 Tapping Screws
0402FA00018 Tapping Screws

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

Part No.
Part No. 0402FA00018
Equivalent to mcmaster :
90356A331

Basic Information

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

Head Parameters

Head Diameter 0.425"
Head Height 0.151"
Rounded Head Profile Standard
Rounded Head Style Pan

Dimensions

Length 1"
Shank Cross Section Round

Thread Parameters

Screw Size No. 12
Thread Diameter 0.216"
Approximate Threads per Inch 11
Thread Direction Right Hand
Threading Fully Threaded

Tip & Drive Parameters

Tip Type Pointed
Drive Style Phillips
Drive Size No. 3
Drill Bit Size 3/16"
Drill Bit Diameter 0.1875"
Tapping Method Thread Forming

Material & Strength

Material Black-Oxide 18-8 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 with 18-8 stainless steel construction and black oxide finish, ideal for harsh industrial environments.
  • Efficient thread forming design eliminates the need for separate tapping operations, reducing assembly time and labor costs.
  • Excellent drive stability provided by the Phillips No. 3 drive, minimizing cam-out and ensuring secure fastening in sheet metal.
  • Full threading and pointed tip enable quick, straight starts and consistent holding power along the entire 1" length.
  • Optimized for sheet metal applications with a maximum drilling thickness of 0.025", preventing material damage and ensuring reliable joints.
  • Compliance with RoHS 3 and REACH regulations guarantees environmental safety and meets international industrial standards.
  • Standard pan head profile offers a low-profile, rounded finish that resists snagging and provides a professional appearance.

Professional Applications & Engineering Value

This No. 12 x 1" Black Oxide 18-8 Stainless Steel tapping screw is engineered to address common challenges in sheet metal fabrication, such as corrosion, strip-out, and installation inefficiency. The thread forming technology creates strong, precise threads in pre-drilled holes without generating chips, reducing the risk of contamination in sensitive assemblies. Made from 18-8 stainless steel, it withstands exposure to moisture, chemicals, and temperature variations, making it suitable for HVAC, automotive, and electronics enclosures. The Phillips pan head and fully threaded shank ensure uniform clamping force, preventing loosening under vibration and enhancing the longevity of your metal structures.

Specification Summary & Compliance

This screw adheres to inch system dimensions: thread diameter of 0.216", 11 threads per inch, and a Class 2A fit for reliable engagement. It is manufactured as a thread forming tapping screw (Type A/AB) with a right-hand thread direction and is fully threaded for maximum grip. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), it meets stringent environmental and safety standards for industrial use.

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