hourglass shaped drill bit from China manufacturer - Hejian Wanxiang Drilling Equipments Co., Ltd.

Product Detail

Model No.: Cover all IADC code

Production Capacity: 20000 Piece/Pieces per Year

Delivery Date: Within 7-10 days after rec...

Brand Name: Wanxiang

Certification: API

Material: Tungsten Carbide

Machine Type: Drilling Type

Payment Terms: L/C T/T Western union

Means of Transport: Ocean,Land,Air

Packing: Wooden cases or as per cust...

Place of Origin: Hebei, China (Mainland)

Type: Drill Bit

Processing Type: Forging

Use: Well Drilling

MOQ: 1PC

API IADC637 roller bearing tricone bits
1.Certification:ISO&API
2.Resonable price,excellent in quality
3.Cover almost all IADC code

12-1/4"IADC517 TCI tricone bits

IADC code	WOB (KN/mm)	RPM (r/min)	Applicable Formations
437/447/435	0.35~0.9	240~70	Very soft formations with low compressive strength and high drillability,suchas clay,mudstone,chalk,gypsum,salt,soft limestone, etc.
517/527/515	0.35~1.0	220~60	Soft formations with low compressive strength and high drillability,such asmudstone,gypsum,salt,soft limestone, etc.
537/547/535	0.45~1.0	220~50	Soft to medium formations with low compressive strength, such as medium, softshale, medium soft limestone, medium soft sandstone, medium formation withharder and abrasive interbeds, etc.
617/615	0.45~1.1	200~50	Medium hard formation with high compress strength, such as hard shale,limestone, sandstone, dolomite. etc
637/635	0.5~1.1	180~40	Hard formations with high compressive strength, such as sandstone, limestone,dolomite ,hard gypsum, marble, etc.
Note: The upper limits of WOB and RPM in above table should not be usedsimultaneously.