coring bit
Product Detailed
1,best quality
2,low price
3,wide size code range
4,delivery on time
Arc profile design , use heavy medial ballast cutter.
The interior flow is set up.
Suitable for abrasive soft to medial hard formation.
Arc profile design , use heavy medial ballast cutter.
The interior flow is set up.
Suitable for abrasive soft to medial hard formation.