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5 x 9 7/8” 637 Metal seal

PRODUCT SPECIFICATION

Diameter : 500mm
Trenchless bit type : 5 x 9 7/8” 637 Metal seal
Connection thread :  NC38

Trenchless bit configuration table

Items Reamer Segments
Dia(mm) 8 1/2 9 7/8 12 1/4 13 5/8
1 300 3 / / /
2 400 5 4 / /
3 500 6 5 4~5 5
4 600 / 6~7 5~6 5~6
5 700 / 7~8 7 6~7
6 800 / / 8 7~8
7 900 / / 9 8~9
8 1000 / / / 9~10
9 1100 / / / 10~11
10 1200 / / / 10~12
11 1300 / / / 11~13
12 1400 / / / 12~14
13 1500 / / / 14~15
Note:

1) The configuration of the trenchless bit can be adjusted according to customer,Requirements,formation,drilling rig model or any other construction requirements;

2) Different types of plate or barrel centralizing structures can be applied according to customer requirements.

 

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