Counterbore set DIN 373 M, for through-hole
Drilling tools
• HSS
• DIN 373
• 3 cutting edges
• Shank cylindrical
• Spiral fluted
• Fixed guide pin
• For countersinks according to DIN 74
• For countersinking inner hexagonal screws according to DIN 912, 6912, 7984 and slotted head cylinder screws according to DIN 84 in all ferrous and non-ferrous metals and in plastics
• For through-hole, quality grade MEDIUM
Supplied: in plastic cassette.
Contents: 1 pc each for thread M3; M4; M5; M6; M8; M10.