High quality and best price Long life and full model Be certified by ISO9001 Made-to-order.

Drag bit are manufactured from forged high quality alloy steel and premium tungsten carbide insert, plus state of art welding technology and multiple precision heat treatment to provide highest penetration rate and longest lifespan at roughest condition. Drag bits are designed for medium to hard formation and are used in areas that contain a lot of rock and also in the oil field.

 longer life and fast cutting,many size.

Sizes: 3 3/4", 3.7/8", 4", 41/4", 55/8 ", 47/8", 6", 7.3/8", 4.3/4",5.1/8", 5.5/8", 5.7/8", 6.1/4", 6.3/4", 6.5/8" 7.3/8" 9.7/8",11.1/2" etc as requested.

Any inquiries on http://www.triconebit.com/, please do not hesitate to contact us

trade manager: cn1000271447

name: abdllahchina yang

API 4 1/4"kingdream 3 blades of drag bit for soft formations