13 5/8′′ Inch IADC 537 Roller Sealed Bearing Roller-Cone TCI Tricone Bit

• Customization: Available
• Customized: Customized
• Standard: DIN, JIS, AISI, API
• Model NO.: 137 tooth type oil drill bit
• Material: Cobalt Steel Alloys
• Usage: Well Drilling, Metal Drilling, Rock Drilling, Oil/Gas Coal Mining Drill Bit
• Transport Package: Carton
• Specification: Customized
• Trademark: DELI
• Origin: China
• HS Code: 8207501000
• Production Capacity: 100000 Pieces Per Month

Product Description

Product Description

IADC	WOB(kN/mm)	RPM (r/min)	Suitable formation
417	0.35~0.90	140~70	Very soft with low compressive strength and high drillability,such as shale,clay,sandstone and conglomerate,etc.
437	0.35~0.95	140~60	Very soft with low compressive strength and high drillability,such as shale,clay,sandstone and conglomerate,etc.
517	0.35~1.05	120~50	Soft with low compressive strength and high drillability,such as shale,clay,sandstone and soft limestone,etc.
537	0.35~1.05	110~40	Medium soft with low compressive strength and harder abrasive stringers,such as hard shale,hard gypsolyte,soft limestone,sandstone and dolomite with stringers,etc.
617	0.35~1.05	80~40	Medium hard with high compressive strength and thick&hard stringers,such as hard shale,limestone, sandstone and dolomite,etc.
637	0.70~1.20	70~40	Medium hard with high compressive strength and high abrasiveness,such as limestone,dolomite, sandstone and chert.ect.
Note:The upper limits of WOB and RPM in above table should not be used simultaneously.

Company Profile

FAQ

1.PACKAGE:
SINGLE BOX PER WHEEL, 
10 to 20 WHEELS PER CARTON

2.DELIVERY TIME:
3-30 days after confirming order,detail delivery date should be decided according to 
production season and order quantity.