S-93945A057 Length 1 3/4" 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
- Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments
- Efficient thread forming capability creates strong, permanent threads in sheet metal without pre-tapping
- Precise 82° countersink angle ensures flush mounting and professional finish in sheet metal applications
- Optimized for 0.1875" drill bits with maximum 0.025" drilling thickness for consistent installation performance
- Square drive design provides superior torque transmission and reduces cam-out during installation
- Full threading and pointed tip enables quick starts and smooth penetration through sheet metal
- Comprehensive regulatory compliance with RoHS 3 and REACH standards for global industrial applications
Professional Applications & Engineering Value
These No. 12 thread forming tapping screws are engineered specifically for demanding sheet metal applications where reliability and corrosion resistance are critical. The 18-8 stainless steel composition provides exceptional durability against environmental factors, while the A/AB thread forming design creates secure, vibration-resistant fastenings without requiring pre-tapped holes. The 82° countersink angle and flat head profile ensure seamless integration with sheet metal surfaces, preventing protrusions that could compromise assembly integrity. These industrial screws are particularly valuable in HVAC systems, electrical enclosures, and metal fabrication where consistent performance and regulatory compliance are essential for long-term operational success.
Specification Summary & Compliance
These thread forming screws feature precise inch system dimensions including No. 12 thread diameter, 1-3/4" length, and standard Class 2A thread tolerances. The A/AB tapping screw type follows established industrial standards for thread forming applications in sheet metal up to 0.025" thickness. Manufacturing and material compliance includes full adherence to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material quality for industrial distribution and use.
