oil insert rock bit from China manufacturer - Hejianshi Tengda Petroleum Supplies Co.,Ltd

Price:	500.0~8000.0 RMB
Payment Terms:	T/T
Place of Origin:	Hebei, China (Mainland)


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Product Detail

Model No.: THJ737G

Production Capacity: 500pieces per month

Delivery Date: 7 days after deposit

Style: Others

insert rock bit: rock bit

size: 3-3/4''-26''

Means of Transport: Ocean,Land

Packing: in wooden box or iron box

Type: Others

Brand Name: tengda

drill roller bit: buttion drill bit

export market: global

1.Homework diameter size:12-1/4inch
2.Connection thread size:4-1/2
3.Cutting teeth specifications:1613
4.Certification:API

Bit type	IADC Code	Applicable formation	Main characteristics of the bit	Recommended parameters
Bit type	IADC Code	Applicable formation	Cutting structure	Normal WOB KN/mm(bit dia.)	Rotary Speed(rpm)
THJ447G	447	Soft with low compressive strength and high drillability,such as shale,clay,sandstone,soft limestone,salt bed and gypsolyte,etc.	Large radius offset crested scoop compacts in inner row,wedge compacts in outer row,high compact exposure and inequable spaced compacts arrangement.	0.35-1.00	240-60
THJ517G	517	Soft with low compressive strength and high drillabilty ,such as shale ,clay ,sandstone and soft limestone,etc.	Large radius offset crested scoop compacts in inner row,wedge compacts in outer row,high compact exposure and inequable spaced compacts arrangement.	0.35-1.05	240-50
THJ527G	527	Soft with low compressive strength and high drillabilty ,such as shale ,clay ,sandstone and soft limestone,etc.	Large radius offset crested scoop compacts in inner row,wedge compacts in outer row,high compact exposure and inequable spaced compacts arrangement.	0.35-1.05	240-50
THJ537G	537	Medium soft with low compressive strength and harder abrasive stringers,such as hard shale,hard gypsolyte,soft limestone,sandstone and dolomite with strngers,etc.	Large radius offset crested scoop compacts in inner row,wedge compacts in outer row,high compact exposure and inequable spaced compacts arrangement.	0.50-1.05	220-40
THJ547G	547	Medium soft with low compressive strength and harder abrasive stringers,such as hard shale,mudstone,soft limestone and sandstone,etc.	Large radius scoop compacts in inner row,wedge compacts in outer row and inequable spaced compacts arrangment.	0.50-1.05	220-40
THJ617G	617	Medium hard with high compressive strength and thick &hard stringers,such as limestone,hard shale,mudstone and sandstone,etc.	Large radius scoop compacts in inner row,wedge compacts in outer row and inequable spaced compacts arrangment.	0.50-1.05	220-40
THJ627G	627	Medium hard with high compressive strength and hard stringers ,such as limestone,hard sandy mudstone and sandstone,etc.	Conical compacts in inner row,spherical compacts in outer row.	0.50-1.05	200-40
THJ637G	637	Medium hard with high compressive strength and abrasiveness ,such as limestone,dolomite and sandstone,etc.	Conical compacts in inner row,spherical compacts in outer row.	0.50-1.10	200-40
THJ737G	737	Hard formation with high abrasiveness such as hard limestone ,dolomite,hard sandstone and chert,etc.	Large radius,conical compacts in inner row ,spherical compacts in outer row.	0.50-1.20	200-40