S-91644A313 Length 3/4" Tapping Screws
Tapping Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Washer & Nut
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.
- Integrated flat washer with stainless steel/rubber composition provides excellent vibration resistance and prevents surface damage.
- Thread forming design (A/AB type) creates strong, permanent threads in sheet metal without pre-tapping.
- Fully threaded shank ensures maximum grip and load distribution across the entire fastener length.
- External hex drive with 3/8" head width allows for high-torque installation using standard tools.
- Precision compatibility with 5.5mm drill bits and 0.025" maximum drilling thickness for accurate, efficient installations.
- Right-hand threading and pointed tip enable quick, straightforward insertion into sheet metal applications.
Professional Applications & Engineering Value
This No. 14-10 hex washer tapping screw is engineered specifically for sheet metal applications, where vibration loosening and corrosion are common failure points. The 18-8 stainless steel material offers exceptional durability against moisture and chemicals, while the thread forming tapping method eliminates the need for separate nuts or threaded holes—reducing assembly time and labor costs. The combination of a stainless steel/rubber flat washer creates a reliable seal that maintains clamp force under dynamic loads, preventing joint failure in HVAC systems, electronic enclosures, and automotive panels. With fully threaded design and external hex drive, these screws provide consistent performance in high-stress industrial environments.
Specification Summary & Compliance
This tapping screw features a No. 14 size with 10 threads per inch and 3/4" length, manufactured to standard inch system measurements. The A/AB thread forming type and right-hand thread direction comply with industry threading standards. Materials and construction adhere to RoHS and REACH environmental compliance, ensuring safe use in various industrial sectors.
