S-90086A668 6-32 x 3/4" ASME B18.6.3, SAE J933 Tapping Screws
Tapping Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Self-tapping design eliminates the need for pre-threaded holes, saving time and labor costs in assembly operations
- Black-oxide steel construction provides superior corrosion resistance for extended service life in demanding industrial environments
- Thread Cutting Type F with UNC coarse thread ensures secure, vibration-resistant fastening in aluminum, brass, cast iron, and sheet metal
- Phillips flat head with 82° countersink allows for flush installation and clean aesthetic finish in precision applications
- Fully threaded shank delivers maximum grip length and holding power across the entire fastener engagement
- ASME B18.6.3 compliance guarantees consistent dimensional accuracy and reliable mechanical performance
- RoHS 3 compliance meets international environmental standards for safe use in regulated industries
Professional Applications & Engineering Value
These black-oxide steel tapping screws solve critical fastening challenges in metalworking applications where traditional screws fail. The Thread Cutting Type F design with coarse UNC threads creates precise mating threads in ductile materials like aluminum and brass without causing material stress fractures. The flat head profile with standard 82° countersink enables seamless surface integration in sheet metal assemblies and electronic enclosures. Engineered for use with No. 31 drill bits (0.12" diameter), these industrial screws provide exceptional pull-out resistance in cast iron components and maintain thread integrity under vibration. The Phillips drive system ensures efficient installation while the fully threaded configuration maximizes connection stability in varying material thicknesses.
Specification Summary & Compliance
Manufactured to ASME B18.6.3 specifications with standard Class 2A thread tolerances for consistent fit. Features UNC coarse threads (6-32 size) with right-hand direction and standard flat head profile. Compliant with RoHS 3 (2015/863/EU) environmental directives and meets SAE J933 performance standards for reliable industrial fastening applications.
