Hejian Zhongcheng Bit Manufacturering Co.LTD.
 517

Medium Formation TCI Tricone Bits

This 517 bit features aggressive chisel tungsten carbide inserts on the heel rows and inner rows.This design provides a fast drilling rate and added cutting structure durability in medium-to-medium hard formations. The HSN rubber O-ring provides adequate sealing for bearing durability . such as:shale ,clay ,sandstone, soft limestone

IADC CODE:112 121 131,127 ,137,215 216 217 ,311 312 315 317,327,417 427 437,415 425, 435,517,527 ,537,547,517,525,535,617,627,637,647,625,635,637,712,737,837,832

 

 

 637

Medium –hard Formation TCI Tricone Bits

The 617 fectures robust chisel tungsten carbide inserts on the heel row and conical on the inner rows . This design provides a fast drilling rate and added cutting structure durability in medium hard formations.The HSN rubber O-ring provides adequate sealing for bearing durability . such as:hard shale,limestone,sandstone, dolomite.

 

Hejian Zhongcheng Bit Manufacturering Co.LTD.
Origion	Beijing (China mainland)
Brand	SRF
Certificate	API
Type	Drilling bit
Bearing type	Sealed bearing
Formation	Soft to hard formation
Application	Well drilling
Product	Size	IADC CODE
TCI Tricone Bit (TCI BIT)	3 7/8 ,5 1/2, 6 1/2 7 7/8,8 1/2,8 3/4 10 5/8,12 1/4 13 3/4, 17 1/2, 22, 24,26 ect	417 427 437 517 527 537 617 637 737
Steel Tooth Bit	3 7/8 ,5 1/2, 6 1/2 7 7/8,8 1/2,8 3/4 10 5/8,12 1/4 13 3/4, 17 1/2, 22, 24,26 ect	115 116 117 215 216 217 315 316 317 325 327
PDC BIT (3 blades,4 blades, 5 blades,6 blades)	5 1/2, 6 1/2 7 7/8,8 1/2,8 3/4 10 5/8,12 1/4 13 3/4, 17 1/2, ect	M223,M322,M316, M222,M416,M122