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Specifications
1.Wide range of useage2.High quality and best price
3.Long life and full model
4.Be certified by ISO9001
5.Made-to-order
Reaming Shells:
Reaming shells are designed to be placed behind the core bit to ensure hole diameter is maintained and to assist core barrel stabilization. This ensures that when a new core bit is inserted into a continuing bore hole there is a good chance of reaching bottom of bore hole without reaming.
Reaming shells are produced with diamond panel pads using specially chosen diamonds of 30/40 s.p.c. Although reaming shells generally last 3 - 4 times longer than core bits they should be retired as soon as they wear under gauge otherwise it could result in an undersize bore hole diameter which can mean reaming later.
We also supply made-to-order products according to your detailed requirement.
Diameter(mm) Size Cutting Wings Screw Rock formation
Outer Dia(mm) Inner Dia(mm) Height(mm) Wing Quantity PDC Quantity
75 75 53 150 5/6 5/6 Square
F<7medium hard(
Soft rock, coal seam drilling and grouting)
94 94 69 170 6/8 6/8
113 113 88 195 8/10 8/10
133 133 108 220 10/12 10/12
153 153 128 245 12 12
More Product Features
Trademark: ZM
Model NO.: All types
Standard: ISO9001: 2000
Origin: Zhengzhou City, Henan Province, China.
Company: Henan Zhongmei Drill Tool Co., Ltd.
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