Drilling Hole Opener 1. Steel tooth & TCI available 2. 6"-42" in diameter 3. Strict Quality Control System At some point it may be necessary to increase the size of a pre-drilled hole to a larger diameter or to drill large diameter holes. Hole opener bits are...

API Reamer Bit 1. Steel tooth & TCI available 2. 6"-42" in diameter 3. Strict Quality Control System At some point it may be necessary to increase the size of a pre-drilled hole to a larger diameter or to drill large diameter holes. Hole opener bits are designed...

Big Diameter Hole Opener 1. Steel tooth & TCI available 2. 6"-42" in diameter 3. Strict Quality Control System At some point it may be necessary to increase the size of a pre-drilled hole to a larger diameter or to drill large diameter holes. Hole opener bits are...

Hejian Hole Opener 1. Steel tooth & TCI available 2. 6"-42" in diameter 3. Strict Quality Control System At some point it may be necessary to increase the size of a pre-drilled hole to a larger diameter or to drill large diameter holes. Hole opener bits are...

Hole Opener 1. Steel tooth & TCI available 2. 6"-42" in diameter 3. Strict Quality Control System At some point it may be necessary to increase the size of a pre-drilled hole to a larger diameter or to drill large diameter holes. Hole opener bits are designed...

1.certified by ISO9001&API 2.high quality, competitive price 3.large number of stock 4. Can be customized Step Type Drag Bit Suitable design of structure enhances the intensity of bits and makes better gauge protection.High quality tungsten carbide ensures good...

1. Steel tooth & TCI available 2. 6"-42" in diameter 3. Strict Quality Control System At some point it may be necessary to increase the size of a pre-drilled hole to a larger diameter or to drill large diameter holes. Hole opener bits are designed specifically for...

1.certified by ISO9001&API 2.high quality, competitive price 3.large number of stock 4. Can be customized Chevron bits are designed for medium to hard formation and are used in areas that contain a lot of rock and also in the oilfield for drilling out concrete casings and...

step type drag bit 1.certified by ISO9001&API 2.high quality, competitive price 3.large number of stock step type drag bitA drag bit is a drill bit usually designed for use in soft formations such as sand, clay, or some soft rock. However, they will not work well in...

1.certified by ISO9001&API 2.high quality, competitive price 3.large number of stock 4. Can be customized Chevron bits are designed for medium to hard formation and are used in areas that contain a lot of rock and also in the oilfield for drilling out concrete casings and...