HSS step drill - FT

Model No.: various

Features: We specialize in the production of diamond drill
Sharp,wear-resisting
Don't jumping edge
Long service life

Model No.: all types

Features: Used oil Drill Bit
1)5 blades
2)quality guarantee
3)Long-term and trusty supplier
4)Considerate after sales service

Model No.: all types

Features: Oil Hole Drill Bit
1)5 blades
2)quality guarantee
3)Long-term and trusty supplier
4)Considerate after sales service

Model No.: all types

Features: Oil gas drill bit
1)5 blades
2)quality guarantee
3)Long-term and trusty supplier
4)Considerate after sales service

Model No.: all types

Features: Oil Field Drill Bit
1)5 blades
2)quality guarantee
3)Long-term and trusty supplier
4)Considerate after sales service

Model No.: all types

Features: 1.impregnated diamond casing bits ZM brand
2.impregnated diamond casing bits high quality,ISO9001
3.do diamond casing bits OEM

Model No.: All types

Features: We are leading manufacturer of impregnated/ surface-set diamond drill bit in China.

Model No.: made-to-doder

Features: The impregnated diamond bits are the most commonly useful bits in the mineral exploration industry, as they have the widest rang

Model No.: made-to-order

Features: 1.diamond core bits
2.do diamond core bits OEM
3.diamond core bits high drill accuracy
4.diamond core bits good quality

Model No.: All types

Features: OEM various bits, such as impregnated/surface-set diamond core drill bit,tricone bit etc
ISO diamond drill bit
good feedback

Model No.: All types

Features: leading manufacturer of various bits, such as impregnated/surface-set diamond core drill bits,tricone bit etc
ISO diamond drill

Model No.: All types

Features: manufacturer of various bits, such as impregnated/surface-set diamond core drill bit,tricone bit etc
ISO diamond drill bit