Main applications：
1，Strong rock (> 100 MPa) .
2，Very suitable in compact rock.
Features：
1，Kelly box 130mm/150mm/200mm/250mm customized.
2，Cutting ring with staggered arrangement of roller bits.
3，Easy replacement of roller bits.
4，Around wearing strips.
Production Process：
Parameters：
Cases:
Packing and delivery：
Name: Leaddrill
Mobile：+8615111295229
Tel：+8615111295229
Whatsapp：15111295229
Email：info@leaddrill.com
Add：1001 Yingshuang Rd. Yuelu District, Changsha, Hunan, China
Copyright © 2013-2022 Hunan Leaddrill Machinery All Rights Reserved.
