S-95639A423 Length 2 1/2" 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 316 stainless steel construction for long-lasting performance in harsh environments
- Efficient thread forming design creates strong, permanent threads in sheet metal without pre-tapping
- Optimal sheet metal compatibility with 0.19" thread diameter and 12 TPI for secure fastening in materials up to 0.025" thick
- Professional oval head profile with 82° countersink angle provides flush finishing and enhanced aesthetic appeal
- Reliable Phillips No. 2 drive ensures secure tool engagement and consistent installation torque
- Full 2-1/2" threading delivers maximum grip length and holding power across the entire fastener
- Regulatory compliance assurance with RoHS 3 and REACH standards for environmental and workplace safety
Professional Applications & Engineering Value
These 316 stainless steel oval head tapping screws are engineered specifically for sheet metal applications where corrosion resistance and structural integrity are paramount. The thread forming technology eliminates the need for separate tapping operations, reducing installation time while creating stronger, more reliable threads that won't strip under vibration or load. The Phillips drive system provides consistent torque application, while the standard oval head profile with 82° countersink ensures a flush finish that enhances both safety and appearance. Ideal for HVAC systems, electronic enclosures, and industrial equipment where environmental compliance and durability are critical requirements.
Specification Summary & Compliance
Manufactured to precise dimensional standards with 0.19" thread diameter and 12 threads per inch for optimal performance in sheet metal applications. Features fully threaded design and standard oval head profile with recommended No. 21 drill bit size (0.159" diameter) for proper installation. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory adherence for industrial applications.
