Type：
1，CFA kelly bar.
2，CFA rock drill head.
3，CFA soil drill head.
Factory detials：
Features：
1，Material: Q345B(ST52) and 25Crmo.
2，Replaceable rock polit with B47K22H round shank chisels or fisftail polit.
3，Progressive cutting edge with round shank chisels.
4，Wear protection: hard facing or wear strips
Production Process：
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.
