Drill tools and equipments 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...

Type: Center Drill Bit

Place of Origin: Hebei, China (Mainland)

Material: Tungsten Carbide

Bearing Type: Journal Bearing

Guage Protection: NO

RPM(r/min): 120~60

Means of Transport: Ocean,Land,Air

Packing: Wooden cases or as per cust...

Application: Coal

Brand Name: Wanxiang

Certification: API

Processing Type: Forging

Sealing Type: Rubber Sealing

WOB(kN/mm): 0.35~1.05

12-1/4"IADC517 TCI tricone bits
1.High-precision metal seal
2.Higher stability
3.Reasonable price and long uselife

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.