China DTH Rock Drilling Bits High Air Pressure DTH Hammer Drill Bit Rock Drill Bits Drill Bit for Hardrock 165mm Drill Bit, Find details about China DTH Bit, Down Hammer Bit from DTH Rock Drilling Bits High Air Pressure DTH Hammer Drill Bit Rock Drill Bits Drill Bit for Hardrock 165mm Drill Bit
HAMMER INCH | BIT DIA(MM) | BIT DIA(INCH) | SHANK |
1 | 64MM-76MM | 2 1/2"-3" | BR1 |
2 | 76MM-90MM | 3"-3 1/2" | BR2/PAD320 |
3 | 85MM-105MM | 3 2/5"-4" | BR3/DHD330/COP32/PAD330 |
3.5 | 85MM-110MM | 3 2/5"-4 1/3" | DHD3.5/IR3.5/COP34/QL30/PAD3.5 |
4 | 105MM-140MM | 4"-5 1/2" | DHD340/COP44/QL40/SD4/MISSION40/PAD340 |
5 | 127MM-200MM | 5"-8" | DHD350/COP54/QL50/SD5/MISSION50/PAD350 |
6 | 152MM-254MM | 6"-10" | DHD360/COP64/QL60/SD6/MISSION60/PAD360 |
8 | 195MM-350MM | 7.2/3"-13 4/5" | DHD380/COP84/QL80/SD8/MISSION80/PAD380 |
10 | 254MM-380MM | 10"-15" | SD10/NUMA100/DHD1100/PAD1100 |
12 | 305MM-457MM | 12"-18" | SD12/NUMA120/DHD1120/PAD1120 |
Q1: Can I have a sample for testing?
A:Samples are still to be paid but discounted price can be provided.
Q2: Do you have the inspection procedures?
A:100% strict inspection and testing for every order before packing.
Q3: How can i get the after sale services?
A:Free replacement will provide once the problems casued by our product quality.
Q4: Can I have a visit to your factory before the order?
A: Sure, welcome, here is our address: Yantai, Shandong.