S-90190A257 Length 3" 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
- Excellent thread-forming capability creates permanent, vibration-resistant threads in sheet metal without pre-tapping
- Optimized drive engagement with Phillips No. 2 drive prevents cam-out and ensures efficient installation
- Maximum material penetration through pointed tip design and full threading along the 3" length
- Reliable compliance with RoHS 3 and REACH regulations for safe use across global markets
- Precision compatibility with standard No. 21 drill bits (0.159") for streamlined installation processes
- Secure fastening performance with 12 threads per inch providing optimal grip in sheet metal applications
Professional Applications & Engineering Value
These No. 10-12 x 3" zinc-plated steel tapping screws deliver exceptional engineering value in sheet metal fastening applications where vibration resistance and permanent thread formation are critical. The thread forming technology (A/AB type) creates stronger, more durable connections than conventional threaded fasteners by displacing material rather than removing it, resulting in zero chip production and reduced assembly steps. The Phillips pan head design provides a low-profile, secure driving surface that withstands high torque applications while the fully threaded configuration ensures maximum holding power across the entire fastener length. Ideal for HVAC systems, electrical enclosures, and industrial equipment manufacturing, these screws solve common challenges of strip-out, loosening, and corrosion in thin-material assemblies.
Specification Summary & Compliance
Manufactured to precise dimensional standards with 0.19" thread diameter and 12 threads per inch in right-hand direction. Features Class 2A thread tolerances for reliable engagement and standard pan head profile with 0.373" diameter. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use in industrial and commercial applications worldwide. Designed for use with No. 21 drill bits (0.159" diameter) in sheet metal up to 0.025" thickness.
