S-90184A220 Length 1/4" Tapping Screws
Tapping Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
Installation & Application
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Key Features & Benefits at a Glance
- Exceptional corrosion resistance with 316 stainless steel construction for long-lasting performance in harsh environments
- Superior thread forming capability creates strong, permanent threads in sheet metal up to 0.025" thickness
- Reliable Phillips drive system with No. 2 size ensures secure installation and prevents cam-out during tightening
- Optimized pan head design provides excellent bearing surface and clean finished appearance
- Precision thread geometry with 15 threads per inch delivers secure fastening in thin materials
- Full threading ensures maximum grip length and uniform stress distribution
- Compliance with environmental regulations including RoHS 3 and REACH for global industrial applications
Professional Applications & Engineering Value
This 316 stainless steel tapping screw delivers exceptional value in sheet metal fabrication and assembly applications where corrosion resistance is critical. The thread forming design eliminates the need for pre-tapped holes, creating strong, load-bearing threads in materials up to 0.025" thickness without generating chips. The Phillips pan head configuration provides reliable drive transfer and a low-profile finish ideal for HVAC systems, electronic enclosures, and marine equipment. With its A/AB thread forming type and pointed tip, installation is streamlined while maintaining vibration resistance in demanding industrial environments where exposure to moisture, chemicals, or salt spray would compromise standard fasteners.
Specification Summary & Compliance
This No. 8 x 1/4" tapping screw features a 0.164" thread diameter with 15 threads per inch and Class 2A thread tolerances. The thread forming design conforms to A/AB standards for sheet metal applications, requiring a No. 29 drill bit (0.136" diameter) for proper installation. Manufactured from 316 stainless steel with a standard pan head profile and No. 2 Phillips drive, this fastener is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental responsibility and industrial reliability.
