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1. Cemented carbide teeth with high-strength and high-wear-resistant are used to improve the strength, wear resistance and cutting performance of the teeth.
2.The new journal bearing structure is adopted, which greatly prolongs the working life of the bearing, and has the ability to withstand medium pull down and adapt high rotation speed.
3.The new flat rubber sealing ring is more suitable for the working environment and using parameters of the roller cone bit.
4.The new sealing structure matches the sealing performance with the bearing, thus greatly improving the service life of the drill bit.
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Designed for water well and HDD drilling, low compressive strength, medium soft, hard abrasive interbedded formation, such as hard shale, anhydrite, soft limestone, sandstone, interbedded dolomite, etc.
The shirttail is protected by cemented carbide insert, the lug back is protected by welded wear-resisting carbide inserts.
IADC code: 537
Bit type: 8 1/2 DHV537GXT
Bearing type: Journal bearing/Flat rubber sealing ring
Circulation type: Mud
Cutting structure:
Inner rows: Wedge
Outer rows: Off-wedge
Protection row: Wedge
Bevel row: Flat
Pin connection: 4 1/2″REG
Bit diameter: 216 mm
Bit weight: 38 Kg
During normal drilling, weight on bit and rotation speed cannot be used at the same time:
Weight on bit: 0.5~1.05 kN/mm
Rotation speed: 40~110 r/min
On November 24, 2020, the biennial Asian construction machinery industry event, Expo Bauma, opened in Shanghai. Nearly 3000 exhibitors gathered here to show their top
Since the beginning of summer, high temperature days are frequent. To ensure the delivery time of orders, the factory staff of SHAREATE still stick to
By strict quality control procedures. Shareate has always put quality and customer service first. Our products include rock drilling tools, cemented carbide, etc. From the
Contact Us
Phone: +86 0512 62850656
+86 0512 62851667
Fax: +86 0512-62851611
Email: info@shareate.com
Address: No.6 Weixi Road, Suzhou Industrial Park
