Xuanhua Jinke Drilling Machinery Co.,Ltd. |
Verified Suppliers
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Chevron Bits,all sizes are generally 3 wings and standard design;
Any size of 4 wings or chevron type is upon customer’s request;
All sizes connection type are AROD,NROD or standard API thread;
Any special size and design is upon customer’s request.
Chevron Drag Drill Bits: three wings chevron drag bit, four wings chevron drag bit;
Drag bits diameter:76mm to 445mm;
No. | Bit Diameter | Bit Design | Type | Part No |
| inch | mm | Step / Chevron |
|
1 | 2 1/2〞 | 64 | S C | DB212S DB212C |
2 | 2 3/4〞 | 70 | S C | DB234S DB234C |
3 | 2 15/16〞 | 75 | S C | DB21516S DB21516C |
4 | 3〞 | 76 | S C | DB3S DB3C |
5 | 3 1/8〞 | 79 | S C | DB318S DB318C |
6 | 3 1/4〞 | 83 | S C | DB314S DB314C |
7 | 3 1/2〞 | 89 | S C | DB312S DB312C |
8 | 3 5/8〞 | 92 | S C | DB358S DB358C |
9 | 3 3/4〞 | 95 | S C | DB334S DB334C |
10 | 3 7/8〞 | 98 | S C | DB378S DB378C |
11 | 4〞 | 102 | S C | DB4S DB4C |
12 | 4 1/8〞 | 105 | S C | DB418S DB418C |
13 | 4 1/4〞 | 108 | S C | DB414S DB414C |
14 | 4 1/2〞 | 114 | S C | DB412S DB412C |
15 | 4 5/8〞 | 117 | S C | DB458S DB458C |
16 | 4 3/4〞 | 121 | S C | DB434S DB434C |
17 | 4 7/8〞 | 124 | S C | DB478S DB478C |
18 | 5〞 | 127 | S C | DB5S DB5C |
19 | 5 1/8〞 | 130 | S C | DB518S DB518C |
20 | 5 1/4〞 | 133 | S C | DB514S DB514C |
21 | 5 1/2〞 | 140 | S C | DB512S DB512C |
22 | 5 5/8〞 | 143 | S C | DB558S DB558C |
23 | 5 3/4〞 | 146 | S C | DB534S DB534C |
24 | 5 7/8〞 | 149 | S C | DB578S DB578C |
25 | 6〞 | 152 | S | DB6S DB6C |
26 | 6 1/8〞 | 156 | S | DB618S |
27 | 6 1/4〞 | 159 | S | DB614S |
28 | 6 1/2〞 | 165 | S | DB612S |
29 | 6 5/8〞 | 168 | S | DB658S |
30 | 6 3/4〞 | 171 | S | DB634S |
31 | 6 7/8〞 | 175 | S | DB678S |
32 | 7〞 | 178 | S | DB7S |
33 | 7 1/8〞 | 181 | S | DB718S |
34 | 7 1/4〞 | 184 | S | DB714S |
35 | 7 1/2〞 | 191 | S | DB712S |
36 | 7 5/8〞 | 194 | S | DB758S |
37 | 7 3/4〞 | 197 | S | DB734S |
38 | 7 7/8〞 | 200 | S | DB778S |
39 | 8〞 | 203 | S | DB8S |
40 | 8 1/8〞 | 206 | S | DB818S |
41 | 8 1/4〞 | 210 | S | DB814S |
42 | 8 1/2〞 | 216 | S | DB812S |
43 | 8 5/8〞 | 219 | S | DB858S |
44 | 8 3/4〞 | 222 | S | DB834S |
45 | 8 7/8〞 | 225 | S | DB878S |
46 | 9〞 | 229 | S | DB9S |
47 | 9 1/8〞 | 232 | S | DB918S |
48 | 9 1/4〞 | 235 | S | DB914S |
49 | 9 1/2〞 | 241 | S | DB912S |
50 | 9 5/8〞 | 244 | S |