TCI bits series
437
Soft Formation TCI Tricone Bits-亞洲精品久久久久久中文傳媒|波多野結(jié)衣AV在線(xiàn)觀看メイリン モデルコレクション メ
The 437 TCI bits are used to drill low compressive strength,verysoft formations.TCI bits maximize the use of both conical andchisel tungsten carbide inserts of large diameters and highprojection.This cutting structure design,combined with maximum coneoffset ,result in high bit penetratione rates.The deep intermesh ofcutter rows prevents bit bailing in sticky formations.
517
Medium Formation TCI Tricone Bits-亞洲精品久久久久久中文傳媒|波多野結(jié)衣AV在線(xiàn)觀看メイリン モデルコレクション メ
The 517 features aggressive chisel tungsten carbide insert on theheel rows and inter rows.This design provides a fast drilling rateand added cutting strcture durability in medium-to-medium hardfor-mationes.The HSN rubber O-ring provides adequate sealing forbearing durability.
637
Hard Formation TCI Tricone Bits-亞洲精品久久久久久中文傳媒|波多野結(jié)衣AV在線(xiàn)觀看メイリン モデルコレクション メ
The 637 bits can be used to drill hard and abrasiveforma-tions.Wear-resistant tungsten carbide inserts are used in theouter rows to prevent loss of bit gauge.Maximum numbers ofhemispherical-durability and long life.
617
Medium-Hard Formation TCI Tricone Bits-亞洲精品久久久久久中文傳媒|波多野結(jié)衣AV在線(xiàn)觀看メイリン モデルコレクション メ
The 617 feature robust chisel tungsten carbide inserts on the heelrow and conical on the inner rows.This design provides a festdrilling rate and added cutting structure durability in medium tomedium hard formations.The HSN rubber O-rin provides ade for bearing durability.