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The 7/8 BSW machine tap is a specialized tool designed for creating Whitworth threads with a nominal diameter of 22.23 millimeters and a pitch of 9 threads per inch. This tool is designed according to the BS 84 standard and features a 55-degree thread angle that ensures uniform pressure distribution and high joint strength. The tap is made from high-speed steel HSS coated with TiN, providing adequate thermal and wear resistance. The overall length varies between 70 to 100 millimeters, and the shank conforms to DIN 376 standards for quick and secure mounting on CNC machines and drill presses. This tap can produce precise threads with a tolerance class of 6H, widely used in the oil, automotive, and machinery manufacturing industries.
The 55-degree thread angle in the 7/8 BSW machine tap reduces stress concentration and increases the service life of the connection. The recommended cutting speed ranges from 5 to 10 meters per minute, and the use of oil-based or water-based lubricants improves threading quality. The tooth geometry reduces cutting forces and facilitates easy chip removal. These features enhance thread surface quality and tool durability during threading operations on soft to semi-hard metals.
WEBSITE: TAPS MACHINE BSW 7/8 Iran