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Since the screw itself forms a female thread in the pilot hole of the mating material (self-tapping), there is no need for nuts or tapping. It cuts threads and fastens at the same time, increasing fastening resistance, making it suitable for use with electric and air tools. The screw tip shape and thread pitch are classified into A, B, C, AB types or 1 to 4 types according to the mating material and thickness. There are various head shapes and recess shapes, which can be selected depending on the material to be used, the place of use, and the purpose. Various tapping ■Non-slip tapping for thin steel plates - "THINCA" A self-tapping screw for joining thin steel plates with a thickness of approximately 0.3 mm to 0.8 mm. Screws can be tightened by self-tapping into prepared holes (punch holes) in thin steel plates without tapping (female thread processing) or nuts, and even thin steel plates with a thickness of 0.3 mm that are prone to slipping or loosening can be strongly fastened. It shortens the processing process and work time and reduces costs. A 45° taper guide is provided at the tip, making it easy to insert into the prepared hole. In addition, the 50° thread angle ensures a wide trough that firmly holds the mating material. In addition, by using a double-thread screw at the tip, shaft alignment is improved, allowing stable vertical screwing, and the large lead reduces work time to half compared to conventional screws. The four-start thread under the head makes contact between the thin plate and the helical thread at four points, providing high breaking (slip) torque and return torque, preventing the screw from slipping and exhibiting a high level of locking effect. Since the torque can be easily set, it prevents damage to thin plate parts during automated screw tightening and improves yield. Contributes to thinning and weight reduction in the automobile, home appliance, industrial machinery, medical equipment, and construction fields. Shinka is a registered trademark of Yamashina Co., Ltd. ■BRP tapping These are two types of tapping screws, also called guide screws, used for assembling sash frames. A guide with no threads is attached to the tip of the screw, so it is a screw with a positioning guide that makes it easier to insert into pilot holes that are difficult to see. Since the female thread is machined into the prepared hole by itself, there is no need for nuts or taps, reducing the number of processes and fastening costs. Type 2 self-tapping screws have a pitch that is intermediate among the three types of self-tapping screws, and are used for fastening in a variety of places because they have excellent screw-in workability. You can choose from a variety of head shapes depending on your application.
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See all 4 models in listPart Number
TappingProduct
Tapping screwHandling Company
Bossard Co., Ltd.Categories
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