High strength galvanized cross recessed countersunk head self tapping screw cross dovetail self tapping flat head self tapping screw drywall screw
Self tapping consists of a bolt body and a tapping head to form a core assembly, in which the middle section of the bolt body is provided with a slag discharge hole through the axial direction for debris discharge. The tapping head is connected with the main body through a plug-in structure, and the spiral tapping edge outside the tapping arm can synchronously complete the reaming and tapping operation during the rotation process
The conical necking design is adopted at the tip, which can squeeze the material to form a matching thread when applying axial pressure. This feature makes self tapping especially outstanding in plastic, aluminum alloy and other ductile materials. The combination of tapping arm spacing and connecting holes forms a spiral slag discharge channel to ensure the effective discharge of debris under blind hole conditions
Self tapping is a fastener with self forming thread through tip design. Its tip can be extruded into the surface of the object to form a matching thread. A typical self tapping component consists of a tapping head and a bolt body. The spiral tapping edge set on the outside of the tapping head can realize the synchronous operation of reaming tapping and bolt screwing. In practical application, the product has been verified to be suitable for the fixation of automobile floor and other scenes, and has the technical advantages of convenient installation, no need to prefabricate threads, and significant fixation effect.
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DIN571 wood screw wood bolt external hexagonal self tapping screw galvanized hexagonal wood screw wood special bolt
High strength galvanized cross recessed countersunk head self tapping screw cross dovetail self tapping flat head self tapping screw drywall screw
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