12 1/4" Tricone Bits/Tricone Drilling Bits/Tricone Rock Bits

• Type: Drill Bit
• Material: Alloy Steel, Tungsten Carbide
• Model Number: Steel Tooth Bit, TCI Bit
• Certification: API & ISO
• Bearing Type: Sealed Bearing and Non-Sealed Bearing
• Suitable Formation: Soft, Medium Soft, Hard, Medium Hard, Very Hard
• Model NO.: IADC617
• Color: Blue or Red
• IADC Code: 114~837
• Transport Package: Wooden Case
• Trademark: HJ
• Origin: China
• Production Capacity: 500

Product Description

12 1/4" tricone bits/tricone drilling bits/tricone rock bits

Available sizes:From 2 7/8 to 26"  
 
Advantage:most favourable price and high quality
 
Bearing type: sealed bearing and non-sealed bearing 
                           metal sealed journal bearing 
                           rubber sealed journal bearing 
cutting structure:The back cone and the teeth all surface is are hardfaced strengthening, improved steel tooth shape and welding materials,showing teeth higher
Application formation:Soft with low compressive strength and high drillability, such as shale, clay, salt bed and etc
 
All our activities are accredited to ISO 9001:2008 and API, both in products and services, at the same time, mature production technology ensuring the quality satisfy international request. 

IADC		437	517	537	617	637	737
WOB	KN/mm (bit dia.)	0.5-0.75	0.5-0.85	0.5-0.85	0.55-0.85	0.55-0.85	0.55-0.85
	Lb/in (bit dia.)	2860-4280	2860-4860	2860-4860	3140-4860	3140-4860	3140-4860
	r.p.m	70-45	70-45	70-45	70-45	60-40	60-40