Categories | DTH Drill Bit |
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Brand Name: | Teamwhole |
Model Number: | DHD/COP/MISSION/QL/DHD/SD/IR/BR/CIR |
Certification: | ISO9001:2008 |
Place of Origin: | Changsha, Hunan, China |
MOQ: | 1pc |
Price: | Negotiation |
Delivery Time: | 15 Days After Payment |
Packaging Details: | Dth Bits Are Packed By Cartons Inner Side, and Outer is Plywooden |
Material: | Alloy Steel |
Application: | Mining and water well drilling |
Bit face: | Center drop/Flat/convex/concave/double gauge face bits |
Mission50-140mm (5.5 inch) Button Bit
Main specification: 3”,4”,5”,6”,8”,10”,12”,18”,32”
Match to bits with COP,DHD,SD,MISSION,QL,Numa shank
Matched hammer diameter(inch) | Bit diameter | Air Holes | Gauge | Front | Weight/KG | Bit shank | |
mm | inch | (Qty.×Dia.) | (Qty.×Dia.) | ||||
5” | 140 | 5 1/2 | 2 | 7*18 | 7*14 | 15.5 | DHD350/SD5/QL50 /Mission50 |
Different Buttons Shapes:
1. Dome / Round button
Used as gauge buttons of DTH bits, suitable for very abrasive and
very hard rock formation.
2.Parabolic / Semi-ballistic
Used as gauge buttons and front buttons of DTH Bits, suitable for
medium abrasive and hard rock formations.
3. Ballistic button
Used front buttons of DTH bits, suitable for medium abrasive and
medium hard formations. Also be used as gauge buttons for soft
rock.