| 名称: | Tricone bit | 
|---|---|
| IADC: | 245/247/317/437/535/545/537/635/637/737/837 | 
| size: | 4 | 
| type: | tricone bit | 
| Heat treatment: | yes | 
SIZE  | 
TYPE  | 
PIN SIZE  | 
WEIGHT(ibs.)  | 
4 3/4  | 
IADC517,547  | 
2 7/8  | 
24.2  | 
4 7/8  | 
IADC547  | 
2 7/8  | 
26.4  | 
5 1/2  | 
IADC547  | 
3 1/2  | 
29.7  | 
5 5/8  | 
IADC547  | 
3 1/2  | 
30.2  | 
5 2/3  | 
IADC546  | 
3 1/2  | 
30.8  | 
6  | 
IADC417,447  | 
3 1/2  | 
35.2  | 
6 1/8  | 
IADC547  | 
3 1/2  | 
37.4  | 
6 1/4  | 
IADC517,537  | 
3 1/2  | 
37.4  | 
6 1/2  | 
IADC517,547,817  | 
3 1/2  | 
44  | 
6 3/4  | 
IADC517,537  | 
3 1/2  | 
50.6  | 
7 1/2  | 
IADC517,545,547,625,627,835  | 
4 1/2  | 
66  | 
7 7/8  | 
IADC417,517,527,537,817  | 
4 1/2  | 
72.6  | 
8 1/2  | 
IADC417,435,437,517,535,537,547,625,627,635,745,835,837  | 
4 1/2  | 
81.4  | 
8 3/4  | 
IADC437  | 
4 1/2  | 
88  | 
9 5/8  | 
IADC535  | 
6 5/8  | 
121  | 
9 7/8  | 
IADC517,537,737  | 
6 5/8  | 
127.6  | 
10 5/8  | 
IADC437,535,537,545,547,627,745  | 
6 5/8  | 
167.2  | 
11  | 
IADC617  | 
6 5/8  | 
173.8  | 
11 5/8  | 
IADC535,545,625  | 
6 5/8  | 
198  | 
12 1/4  | 
IADC437,517,535,537,617  | 
6 5/8  | 
204  | 
15 1/2  | 
IADC545,615  | 
7 5/8  | 
440  | 
17 1/2  | 
IADC535,545  | 
7 5/8  | 
594  |