S-90190A159 Length 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 zinc-plated steel construction, extending service life in demanding industrial environments
- Efficient thread forming capability with A/AB tapping design eliminates need for pre-tapped holes, reducing installation time and labor costs
- Optimized for sheet metal applications with 0.138" thread diameter and 18 TPI providing secure, vibration-resistant fastening in thin materials
- Enhanced drive stability with No. 2 Phillips head ensuring maximum torque transfer and reduced cam-out during installation
- Full 2" threading delivers consistent holding power across the entire fastener length for reliable sheet metal assemblies
- Pan head design provides a low-profile finish while offering superior bearing surface for secure fastening
- Regulatory compliance assurance with RoHS 3 and REACH standards meeting international environmental and safety requirements
Professional Applications & Engineering Value
These zinc-plated steel tapping screws are engineered specifically for sheet metal applications where traditional fastening methods prove inadequate. The thread forming design creates precise mating threads in parent material without generating chips, eliminating contamination risks in sensitive assemblies. The Phillips drive system combined with the pan head configuration ensures uniform clamping force distribution, preventing material distortion in thin-gauge metals. With fully threaded shanks and 0.138" diameter threads, these screws maintain consistent engagement throughout the joint, providing reliable performance in HVAC systems, electronic enclosures, and automotive panels where vibration resistance and environmental durability are critical.
Specification Summary & Compliance
Manufactured to precise dimensional standards with Class 2A thread tolerances and 18 threads per inch configuration. These thread forming screws comply with A/AB tapping screw specifications and are designed for use with No. 32 drill bits (0.116" diameter). The fasteners are fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring they meet the latest international standards for hazardous substance restrictions and chemical safety protocols.
