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. 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...

Chevron Drag Bits 1.certified by ISO9001&API 2.high quality, competitive price 3.large number of stock Chevron Drag Bits 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...

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...

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...