7 7/8" TCI Tricone Bit for Water Well Drilling/ Tricone Bit for Hard Rock

• Surface Treatment: Spray-Paint
• Manufacturing Process: Forging
• Material: Carbon Steel
• Bit Size: 7 7/8"(200mm)
• Thread: 3 1/2"Reg
• Bearing Type: Journal Bearing
• Model NO.: iadc537
• Sealed Material: Rubber/Metal
• Formatiom: Soft to Hard Rock
• Color: Blue,Golden
• Warranty: 180hours
• Advantage: High Performance
• Service: The Best Service
• Market: Europe,America,Africa,Middle East
• Transport Package: Wooden Case
• Specification: IADC537
• Trademark: JW
• Origin: Cangzhou, Hebei, China
• HS Code: 82071990
• Production Capacity: 5000PCS/Year

Product Description

7 7/8" TCI tricone bit for water well drilling/ tricone bit for hard rock

1.Specification of tci tricone bit 

60mm,65mm,76mm,93mm,95mm,98mm(3 7/8"),114mm,118mm(4 5/8"),120mm(4 3/4")

133.3mm(5 1/4"),139.7mm(5 1/2"),142.8mm(5 5/8"),149.2mm(5 7/8"),152.4mm(6"),

155.5mm(6 1/8"),158.7mm(6 1/4"), 165.1mm(6 1/2"),190.5mm(7 1/2"),193.6mm(7 5/8")

200.0mm(7 7/8"),215.9mm(81/2"),222.2mm(8 3/4"),241.3mm(9 1/2"),244.4mm(9 5/8")

250.8mm(9 7/8"),269.8mm(10 5/8"),295.3mm(11 5/8"),311.1mm(12 1/4"),346.0mm (13 5/8")

349.2mm(13 3/4"),374.6mm(14 3/4"),381mm(15"),393.7m(15 1/2"),406.4mm(16")

444.5mm(17 1/2"),508mm(20"),558mm(22"),609.6mm(24"),660.4mm(26")

Steel tooth      (IADC)	111, 121,131 117,124,126,127,136,137      216,217, 227 211,311
TCI     (IADC)	415,435, 417,437 515,525,535,545, 517,527,537,547 615,625,635,,617,627,637,737 512,522,532,612,622,632,732

2.tricone rock bit/tci triocne bit's pictures





3.Packing&shipping
Packing:wooden case(standard export packing)
Transportation type:by sea,by air,by train ect as your requirement


4.Our service
tci tricone bit/tricone rock bit 
Delivery Time:Based on order quantity, normally it takes 30 days for production.Only 2 or 3 days if we
have stock on your request size.
Quality Control:We have our professional QC and all the products will be strict inspection and testing for
every order before shipping out. 
After Services:Technical Support will be available in any time. We could provide the professional suggestion
for you.
EX:1.Select the right most suitable products.
      2. According to the rock types, choosing the face type, button tooth type.
      3. According to the different purpose,. choosing the different body type 

5.Contact us
All sizes and type can be customized.
If you need,welcome to contact me at any time.