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Rollers-Replaceable
Product description: Single roller cutters, single roller bit, single roller cones
Sizes: 8 1/2'' .
IADC code:437,517,537, 617, 637, 737, etc
Bearing type: Sealed bearing,Open bearing, Roller bearing
1.Truly replaceable
2.Reliable and stable sealing structure, metal seal and rubber seal optional.
3.New type pressure compensator system
4.Palm back alloy full coverage improves the abrasion resistance of the palm.
Advantages

Applications
Suitable for Trenchless, Horizontal Directional Drilling, No-dig, Construction, Pile Foundation.



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Copyright © 2019 Hebei Ranking Bit Manufacture Co.,LTD. All rights reserved.
Email:sales@rankingbit.com
Tel:0086-317-5581117
Phone: 0086-13333174833(whatsapp or wechat)
Fax:0086-317-3667079
Post Code:062450
Address: Industry Zone,Hejian City,Hebei Province,China.