Detail & Specs
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M4.8 Torx Oval Head Tapping Screw - A4 Stainless ISO 14587
Self-Tapping screws are meant to be installed directly into sheet metal. Tapping Screws require a pilot hole and tap their own threads during install. They cannot be used with machine thread tapped holes or machine thread nuts.
Oval Head Style & How to Measure
Unlike flat head countersunk screws, the convex portion of an oval head screw is meant to sit proud of the work surface after installation. The underside of the head has a 90 degree angle. Also known as raised head six-lobe drive sheet metal screw.
The length of oval head countersunk screws is measured from the beginning of the undercut of the head (where the raised oval convex meets the 90 degree angle) to the end of the threading.
Six-Lobe Torx Drive
Torx drive screws provide higher torque transfer because the driving forces are transferred to each surface of the six lobes (wobble-free), instead of the four edges of the four edges on a phillips drive. Less overall force is needed to install these screws.
Material: A4 / SAE Type 316
A4 / 316 Stainless Steel fasteners are "marine grade" corrosion resistant; suitable for salt water applications. A4 fasteners also offer increased resistance to chemicals when compared with A2 stainless fasteners.
Commonly used in wet environments. Popular across a wide range of industries: automotive, agriculture, photographic, medical / surgical, food processing, robotics, architectural detailing, construction, HVAC, healthcare, sanitary, transportation, clean energy, etc.
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