S-93406A403 Length 7/8" 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
- Exceptional corrosion resistance with 18-8 Stainless Steel construction, ensuring long-term durability in harsh environments
- Superior load distribution thanks to the wide truss head design, reducing material stress and preventing pull-through
- Reliable thread forming creates strong, permanent threads in sheet metal without pre-tapping, minimizing assembly time
- Optimized for sheet metal applications with a pointed tip and fully threaded design for quick, secure fastening up to 0.025" thickness
- Easy installation with Phillips No. 2 drive, providing common tool compatibility and reduced cam-out risk
- Precision sizing at No. 6 diameter and 7/8" length with 18 TPI for consistent performance in standardized assemblies
- Environmental compliance meeting RoHS 3 and REACH regulations, ensuring safe use in regulated industries
Professional Applications & Engineering Value
Engineered for demanding sheet metal applications, these 18-8 Stainless Steel truss head tapping screws solve critical fastening challenges in industrial assembly. The thread forming method creates precise, cold-formed threads that eliminate the need for separate tapping operations, significantly reducing labor costs and potential cross-threading issues. The wide truss head design provides exceptional bearing surface, distributing clamp load over a larger area to prevent sheet deformation in thin-gauge materials. With full right-hand threading and Phillips drive compatibility, these screws deliver reliable performance in HVAC systems, electronic enclosures, and automotive components where corrosion resistance and vibration reliability are paramount.
Specification Summary & Compliance
This No. 6 x 7/8" tapping screw features precision 0.138" thread diameter with 18 TPI and fully threaded design per standard inch specifications. Manufactured as A/AB type thread forming screws for sheet metal applications requiring No. 32 drill bit (0.116" diameter) preparation. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring restricted substance compliance for industrial and commercial use.
