TECWERK Counterbore DIN 373 M5 fine grade for through-hole HSS no. of cutters 30X841478
TECWERK Countersink DIN 335 C 90 deg nominal diameter 25 mm HSS TiN Z.39C054465
Ruko Countersink set 150X250X509F893336
Ruko Taper and deburring countersinker set DIN 335 type C 90° HSS-TiN in plastic case - 5 pcs.3Q995079