Bit drills twisted with a cylindrical shank alloyed with cobalt.
Material - high-speed steel P6M5K5 with a cobalt content 5%.
Has a cross-shaped sharpening of the cutting part at an angle 135 ° which reduces the possibility of drill displacement during works.
Bit drills are hardened to 64-67 HRC...
Bit drills twisted with a cylindrical shank alloyed with cobalt.
Material - high-speed steel P6M5K5 with a cobalt content 5%.
Has a cross-shaped sharpening of the cutting part at an angle 135 ° which reduces the possibility of drill displacement during works.
Bit drills are hardened to 64-67 HRC...
Bit drills twisted with a cylindrical shank alloyed with cobalt.
Material - high-speed steel P6M5K5 with a cobalt content 5%.
Has a cross-shaped sharpening of the cutting part at an angle 135 ° which reduces the possibility of drill displacement during works.
Bit drills are hardened to 64-67 HRC...
Bit drills twisted with a cylindrical shank alloyed with cobalt.
Material - high-speed steel P6M5K5 with a cobalt content 5%.
Has a cross-shaped sharpening of the cutting part at an angle 135 ° which reduces the possibility of drill displacement during works.
Bit drills are hardened to 64-67 HRC...