Model:LASER WELDED
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DIAMOND CORE DRILL BITS For dry and wet coring in reinforced concrete with very hard aggregate. Also good for granite, marble, tile, glazed brick and other hard base materials with low abrasiveness.
QUALITY LEVEL GUARANTEE: GOLD QUALITY FOR OVER 28METERS CUTTING LIFE, SILVER QUALITY FOR OVER 12METERS CUTTING LIFE.
MAX CUTTING DIAMETER STEEL LINE 28-32MM IN REINFORCED CONCRETE
PACKING: IN INDIVIDUAL PAPER BOX PACKAGE
SIZES AS BELOW:
| Diameter | Max Coring Depth | Overall Coring Depth | Connecting | |
| Metric | Inch | mm | mm | |
| 51mm | 2" | 450 | 500 | 1-1/4"UNS |
| 58mm | 2-1/4" | 450 | 500 | 1-1/4"UNS |
| 63mm | 2-1/2" | 450 | 500 | 1-1/4"UNS |
| 70mm | 2-3/4" | 450 | 500 | 1-1/4"UNS |
| 78mm | 3" | 450 | 500 | 1-1/4"UNS |
| 83mm | 3-1/4" | 450 | 500 | 1-1/4"UNS |
| 89mm | 3-1/2" | 450 | 500 | 1-1/4"UNS |
| 102mm | 4" | 450 | 500 | 1-1/4"UNS |
| 112mm | 4-1/4" | 450 | 500 | 1-1/4"UNS |
| 121mm | 4-3/4" | 450 | 500 | 1-1/4"UNS |
| 127mm | 5" | 450 | 500 | 1-1/4"UNS |
| 132mm | 5-1/4" | 450 | 500 | 1-1/4"UNS |
| 140mm | 5-1/2" | 450 | 500 | 1-1/4"UNS |
| 152mm | 6" | 450 | 500 | 1-1/4"UNS |
| 159mm | 6-1/4" | 450 | 500 | 1-1/4"UNS |
| 165mm | 6-1/2" | 450 | 500 | 1-1/4"UNS |
| 182mm | 7" | 450 | 500 | 1-1/4"UNS |
| 205mm | 8" | 450 | 500 | 1-1/4"UNS |
| 230mm | 9" | 450 | 500 | 1-1/4"UNS |
| 255mm | 10" | 450 | 500 | 1-1/4"UNS |
| 300mm | 12" | 450 | 500 | 1-1/4"UNS |
