Standard ½”” G shank
The type and diameter of the crown is engraved on the shank
The segments are secured using laser welding
10mm high segments for long service life
Very thin 2mm segment for fast drilling
Closed edge segment for good performance. specification: Diameter, mm : 18
Working length, mm : 300
Type : WCHP-SB 18
Total length, mm : 365
Spindle thread, mm : ½˝ G
Compatibility : DD3 152 & DCM2 250C & DCM2 350C