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The 12mm HSS machine tap is a precise tool designed to create internal metric threads with a nominal diameter of 12 millimeters and a standard pitch of 1.75 millimeters. The tool is made from high-speed steel HSS with a hardness of approximately 62 to 65 HRC and is often coated with TiN or TiCN to enhance wear resistance. The overall length typically ranges from 50 to 65 millimeters, including the cutting length and the standard shank according to DIN 376 or ISO 296. This tap can produce threads with an accuracy class of 6H and a high surface finish, widely used in automotive, aerospace, and precision manufacturing industries. The recommended cutting speed for the 12mm HSS tap is between 10 and 18 meters per minute.
The thread angle of this tap is 60 degrees and is designed according to ISO 261 standards. The cutting length chamfer varies between 3 to 6 threads depending on the application, enabling use in both blind and through holes. Using oil-based or water-based lubricants along with a cooling system ensures optimal performance and long tool life. Dimensional accuracy of the thread meets ISO 2 6H class standards, guaranteeing high-quality connections and mechanical strength in industrial environments.
WEBSITE: MACHINE TAPS 12 HSS Iran