API Gold Mining Rock Bits IADC845 for Hard Formations - Factory Direct Pricing & Quality Guaranteed

Wholesale mining tricone rock drill bits with discounted price from China factory. Bit Description: IADC: 845-TCI sealed roller bearing bit with gauge protection for extremely hard and abrasive formations. Compressive Strength: 100-150 MPA 14,500-23,000 PSI Ground Description: Hard, well-compacted rocks such as :hard silica limestones,quarzite streaks,pyrite ores,hematite ores,magnetite ores,chromium ores,phosphorite ores,and granites. We can offer mining tricone rock drill bits in a variety of sizes and most of IADC Codes.

Basical Specification
IADC Code	IADC845
Size of Rock Bit	7 7/8 inches	9 inches		9 7/8 inches
	200mm	229mm		251mm
Thread Connection	4 1/2” API REG PIN			6 5/8” API REG PIN
Product Weight:	34KG	50KG		65KG
Bearing Type:	Roller-Ball-Roller-Thrust Button/Sealed Bearing
Circulation Type	Jet Air
Operating Parameters
Weight on Bit:	39,380-63,000Lbs	45,000-72,000Lbs	49,375-79,000Lbs
Rotary Speed:	80-50RPM
Air Back Pressure:	0.2-0.4 MPa
Ground Description:	Hard, well-compacted rocks such as: hard silica limestone, quarzite streaks, pyrite ores, hematite ores, magnetite ores, chromium ores, phosphorite ores, and granite

CUTTING STRUCTURE: Ovoid on gage and inner rows. Designed for extremely hard and abrasive formations with high compressive strengths such as magnetite quartzite, quartzite, granite. Application: 58,000-70,000Psi SHIRTTAIL PROTECTION: Hardmetal and wear resistant carbide on shirttail lip and lug. PRODUCT SPECIFICATION: IADC Code:845 Bearing Type:Roller-Ball-Roller-Thrust Button/Sealed Bearing Circulation Type: Jet Air Cutting Structure: Inner and Nose Rows:Ovoid Gage Rows:Ovoid Gage Bevel Protection:Flat-top

Model	Steel tooth bit & TCI Bit
IADC CODE	111,114,115,116,117,121,124,125,126,127,131, 135,136,137,214,216,217,225,226,226,235,237,314, 315,316,317,325,326,327,335,336,337,347
IADC CODE	417,427,437,517,527,537,617,627,637,737,837, 832,415,425,435,445,525,625,635,412,415,416,422,425,427,435,436,446,447 ,516,526,532,535,536,537,542,545,547,615,622,632,635,642,645,715,722,725,732,735,742,745,825,832,835,845
available sizes:	From 2 7/8 to 26"Larger sizes for hole opener bit ,reamer bit
advantage	most favourable price and best qualtity
bearing type:	Sealed bearing and non-sealed bearingHJ(metal sealed journal bearing) HA (rubber sealed journal bearingAircooled bearing type
Formation or layer	soft ,medium soft ,hard,medium hard,very hard formation
Button size (extra features)	Button bit,saw teeth 1) Y-Conical teeth 2) X-Chisel teeth 3) K- wide teeth 4) G- Gague protection
Material	Alloy steel ,carbide
Application	Petroleum & gas ,water well ,mining and tectonic industries ,oil field, construction, geothermal, directional boring, and underground foundation work.