China Different Type Diamond Core Drill Bits for Drilling Different Material, Find details about China Core Drill, Core Drill Bit from Different Type Diamond Core Drill Bits for Drilling Different Material
Diameter (mm) | Working length (mm) | Use type | Working Thread | Model Number |
18/20/22/25/27/30/32/36/38/40/44/ 46/51/56/63/66/71/76/83/89 | 350 | wet | M22 | DB-TW |
96/102/108/114/120/127/132/140/152/159/ 168/180/200/219/230/245/254/273/300 | 370 | wet | M22 | DB-TW |