PDC bits, Roller Cone bits, PDC reamers, Hole openers.

Steel tooth drills are suitable for extremely soft formations with low compressive strength and high drillability such as clay, mudstone, chalk, etc..

Popular Size: 1305, 1308,1613,1616,1913

This type of Bi-center bit mainly used for medium to medium hard compressive and abrasive formation.

Normally drag bits are 3 wings, but we can make 4 or 5 wings following your drawings or samples.