S-95639A309 Length 3/4" 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 316 stainless steel construction, ideal for harsh industrial environments
- Effortless installation through thread forming design that creates strong, permanent threads without pre-tapping
- Clean, finished appearance with standard oval head profile that sits flush in countersunk applications
- Secure fastening in thin materials with maximum 0.025" drilling thickness capability for sheet metal applications
- Reliable drive engagement with No. 1 Phillips drive size preventing cam-out during installation
- Precision threading performance with 24 TPI fully threaded design ensuring maximum holding power
- Environmental compliance assurance meeting RoHS 3 and REACH regulations for industrial safety standards
Professional Applications & Engineering Value
These 316 stainless steel thread forming screws deliver exceptional value in sheet metal fabrication and industrial assembly applications. The A/AB tapping screw type with fully threaded design creates strong, vibration-resistant connections in materials up to 0.025" thickness, eliminating the need for separate tapping operations and reducing assembly time. The Phillips oval head with 82° countersink angle provides a smooth, finished appearance while the thread forming method produces zero chips or debris, making them ideal for clean-room environments and electrical enclosures where contamination must be avoided. The combination of 24 TPI precision threading and pointed tip ensures quick starting and straight driving in various metalworking applications.
Specification Summary & Compliance
Manufactured to precise inch system dimensions including No. 4 screw size, 3/4" length, and 0.112" thread diameter with Class 2A thread tolerances. Features standard oval head profile with No. 1 Phillips drive and fully threaded right-hand orientation. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across industrial applications. Designed for use with No. 44 drill bit (0.086" diameter) for optimal performance in sheet metal fastening.
