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Reaming Drill Bit Rock Drill Bit T38 102mm for Hard Rock Blasting Holes
Product description
Reaming rock bit applicable to reaming for first-grade and second-grade larger-diameter hole. It can reduce the sectional area between bit blade and rock hole, also solve the problem of large diameter's low drilling speed in the hard formation with good directive.
reaming bits for quarry are designed to enlarge pilot holes for development rounds,
long hole blasting of drop raises and constructing service holes.
With Pilot adaptors, the drilling direction can be ensured and accurate.
Product Advantage:
1. Mature heat treatment technology ensure high quality of bits
2. work reliable and very cost-effective
3. High grade tungsten carbide inserts
Specification
Types | Dimensions | Flushing hole(mm) | Buttons(mm) | Angle | |||
mm | in | Front No Size | Gauge No Size | Front No Size | Gauge No Size | ||
T38 Dome bit | 89 | 3.5 | 2x9 | 2x8 | 1x12 | 14x12 | 35° |
102 | 5 | 2x9 | 2x9 | 1x12 | 14x12 | 35° | |
127 | 5 | 4x8 | 2x9 | 1x14 | 16x14 | 35° |
Button Shape Selection:
Button type | Spherical button | Universal button |
Wearing resistance good | ||
Best suited to hard ground | ||
27,000~48,000 PSI (180 to 320 Mpa) | ||
Abrasive to very abrasive | ||
Hemispherical button | Universal button | |
Wearing resistance good | ||
Best suited to hard ground | ||
25,000~45,000 PSI (170 to 300 Mpa) | ||
Abrasive to very abrasive | ||
Parabolic button | Universal button | |
Fast penetration | ||
Best suited to medium to hard rock | ||
15,000~25,000 PSI (100 to 170 Mpa) | ||
Midly abrasive ground | ||
Conical button | Fast penetration | |
Best suited to smaller diameter bits | ||
Suited for all non-abrasive ground types | ||
Ballistic button | Fast penetration | |
Best suited to soft rock | ||
10,000~20,000 PSI (70 to 140 MPa) | ||
Non abrasive ground |
About us
MIROC® Rock Drilling Tools are Rock Drilling Tools Brand by KSQ Tecnologies (Beijing) Co. Ltd.
KSQ Technologies (Beijing) Co. Ltd. provides exceptional technical know-how in development, production, and application. The company has adopted advanced manufacturing processes to ensure high quality steels and tungsten carbide inserts for its rock drilling accessories. Its personnel understand clients’ drilling needs, and have the service skills to recommend the right drilling tools for the job. Its experienced product developers can also create custom tools. Furthermore, the company’s development team introduces innovative products each year – tools that are rigorously tested in the field and proven
to perform beyond industry expectations.
MIROC® Rock Drilling and Ground Support Tools include:
Integral Rods
Plug Hole Rods
Tapered Drilling Tools
Extension Drilling Tools
Drifting and Tunneling Tools
Reaming Tools
Shank Rods
Shank Adapters (Striking Bars)
Down-the-hole (DTH) Bits
Down-the-hole (DTH) Hammers