martel de perçage.
Spiral drill bit teeth refer to the specific tooth design found on spiral drill bits. The distinctive feature of these bits is their helical blades that spiral around the body, offering a unique cutting edge. This design allows for a continuous cutting surface as well as efficient chip removal, making spiral drill bits an excellent choice for both soft and hard materials.
A red light should be installed on the top of the column of the crawler pile driver (hereinafter referred to as the pile driver) (when it is working at night, it must be turned on) to warn the surrounding crowd, and it is recommended that the user install it according to the actual situation.
Construction Sector
Construction Sector