Retrac Button Bit
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General Introduction:
As part of PLATO stratagem that to make best effort to be the cost-effective leader for the drilling industry, we have a complete line of fast penetration and rock pulverization threaded bits for the worldwide drilling industry, which are suitable for any type of drilling application including, rock drilling, water well, quarries, open pit and underground mining, construction, and blasting and so on.
All PLATO bits are computer aided designed and engineered, CNC manufactured and multiple heat-treated, to extend the product life for maximum wear and performance in the toughest of drilling conditions. Moreover, they are produced from premium steels and fitted with tips made from high quality tungsten carbide for superior penetration while maintaining high cleaning action at the face of the bit, to ensure maximum service life and impact strength. In addition, we have available full range of skirt shapes, front designs and cutting structures configuration for various rock formation as well as different penetration need.
Continuous field testing of our products have been arranged to our own or contracted drilling companies, to meet our stringent quality supervision requirements. In addition, PLATO bits are packed in cases with protective cushion, thus abating cracks during transportation.
The combination of good design, excellent manufacturing techniques, exact heat treatments, high quality steels and special grade carbides, PLATO yield optimum drill bits capable of performing well in all kind of drilling conditions from soft to the toughest.
Specification Overview:
Button Bits:
Skirt Shape | Straight (Normal) | Retract | Straightrac |
Bit Diameter | 35~152mm (1 3/8 ~ 6") | 45~127mm (1 25/32" ~ 5") | 64~102mm (2 1/2" ~ 4") |
Thread | R22, R25, R28, R32, R35, R38, T38, T45, T51, T60, ST58, ST68. | R25, R28, R32, R35, R38, T38, T45, T51, T60, ST58, ST68. | R38, T38, T45, T51, T60, ST58, ST68. |
Face Design | Flat, Convex or Drop Center; | Flat, Convex or Drop Center; | Flat, Convex or Drop Center; |
Inserts Configuration | Domed (Spherical), Hemi-spherical, Ballistic, Parabolic or Conical; | Domed (Spherical), Hemi-spherical, Ballistic, Parabolic or Conical; | Domed (Spherical), Hemi-spherical, Ballistic, Parabolic or Conical; |
Cross Bits & X-Type Bits:
Bits Type | Cross Bits | X-Type Bits | ||
Skirt Shape | Straight (Normal) | Retract | Straight (Normal) | Retract |
Bits Diameter | 35~127 mm | 64~102 mm | 64~127 mm | 64~102 mm |
(1 3/8” ~ 127”) | (2 1/2” ~ 4”) | (2 1/2” ~ 5”) | (2 1/2” ~ 4”) | |
Thread | R22, R25, R28, R32, R38, T38, T45, T51, | T38, T45, T51 | T38, T45, T51 | T38, T45, T51 |
How to order?
Button Bit: Diameter + Thread + Skirt Shape + Face Design + Insert Configuration
Cross & X-Type Bit: Diameter + Thread + Skirt Shape
Bit Face Selection
Face Design | Photo | Application | |
Flat Face | Flat face button drill bits are suitable for all rock conditions, especially for the rock with higher hardness and higher abrasiveness. Such as granite and basalt. | ||
Drop Center | Drop center button drill bits are mainly suitable for the rock with low hardness, low abrasiveness, and good integrity. The bits can drill straighter holes. | ||
Convex | Convex Face button bits are designed for fast penetration rates in softer rock. |
Carbide Button Selection
Button Shapes | Photo | Application | |||
Rock Hardness | Penetration Velocity | Carbide Service Life | Vibration | ||
Spherical | Hard | Slower | Longer service life Less prone to breaking | More | |
Ballistic | Medium Soft | Faster | Shorter service life More prone to breaking | Less | |
Conical | Soft | Faster | Shorter service life More prone to breaking | Less |
Skirt Selection
Skirts | Photo | Application | |
Standard Skirt | Standard skirt button drill bits are suitable for all rock conditions. | ||
Retrac Skirt | Retrac button drill bits are mainly used for unconsolidated rock mass with poor integrity. The skirt is designed to improve the straightness of the drilling hole and assist in the retrieval of drill rock tools. |
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