Large diameter DTH drill bit for DTH hammer 70mm 600mm 800mm 900mm all hole diameter
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DTH Button Bits: YikYui is in the position to offer a comprehensive range of DTH drill bits with all diameters of the current prevailing manufacturers’ hammer shank designs to match various drilling applications. All our DTH drill bits are also CAD designed, CNC manufactured for perfect bits body, and multiple heat-treated to enhance hardness, surface-compressed for fatigue resistance, all thus to extend the product life for maximum wear and performance in the toughest of drilling conditions.
Moreover, all these bits are also made from high quality alloy steels and fitted with premium quality tungsten carbide tips for superior penetration rate.
|  | Hammer Size |
| 2”~3.5” |
| 4”~8” |
| 10”~32” |
| Hammer Shank Style |  |
| BR, AHD, Cop, Mission... |
| Mincon, Numa, QL, TD... |
| SD, DHD, XL, ACD, Mach... |
|  | Face Design Flat, Concave, Convex |
PRODUCT SPECIFICATION
| Hammer Size | Hammer Shank Style | Bit Diameter | Face Design | Insert Shapes |
| mm | inch |
| 2 | BR1 | 64~76 | 2 1/2 ~ 3 | FF, CV | S, P, B, C |
| 2.5 | BR2, Minroc 2, AHD25 | 76~90 | 3 ~ 3 1/2 | FF, CV | S, P, B, C |
| 3.5 | BR 3, Minroc 3, Mach33/303, DHD3.5, TD35, XL3, Mission 30, COP32, Secoroc3, COP34 | 85~105 | 3 3/8 ~ 4 1/8 | FF, CV | S, P, B, C |
| 4 | DHD340A/DHD4, COP44, Secoroc4/44, Numa4, Mincon 4, SD4(A34-15), QL40, Mission 40, COP42, Mach 40/44, Dominator 400, XL4 | 105~130 | 4 1/8 ~ 5 | FF, CV, CC | S, P, B, C |
| 5 | DHD350R, COP54, Secoroc5/54, Mach 50, SD5(A43-15), BR5V, COP54 Gold, QL50, TD50/55, HP50/55, Patriot 50, Mission 50/55, COP52, XL5/5.5 | 137~165 | 5 3/8 ~ 6 1/2 | FF, CV, CC | S, P, B, C |
| 6 | DHD360, DHD6/6.5, SF6, COP64, Secoroc 6, Challenger/Patriot 6, XL61/PD61, Mach 60, COP64 Gold, QL60, SD6(A53-15)/PD6, ADEC-6M, TD60/65/70, HP60/HP65, Mission 60/60W/65, COP62, XL6 | 152~203 | 6 ~ 8 | FF, CV, CC | S, P, B, C |
| 8 | DHD380, COP84, Secoroc 84, Mach 80, Challenger/Patriot 80, SD8(63-15), XL8, QL80, Mission 80/85 | 203~305 | 8 ~ 12 | FF, CV, CC | S, P, B |
| 10 | SD10, Numa100 | 241~356 | 9 1/2 ~ 14 | FF, CC | S |
| 12 | DHD112, XL12, Mach132, Mach120, SD12(A100-15), NUMA120, NUMA125 | 305~419 | 12 ~ 16 1/2 | FF, CC | S |
| 14 | ACD145 | 381~470 | 15 ~ 18 1/2 | FF, CC | S |
| 18 | ACD185 | 445~660 | 17 1/2 ~ 26 | FF, CC | S |
| 20 | ACD205 | 495~711 | 19 1/2 ~ 28 | FF, CC | S |
| 24 | ACD245 | 711~990 | 28 ~ 39 | FF, CC | S |
| 32 | ACD325 | 720~1118 | 28 1/2 ~ 44 | FF, CC | S |
Specification Notice
| Notes: Face Design: FF=Flat Front, CV=Convex, CC=Concave; Button Configurations: S=Hemi-spherical (Round), P=Parabolic. | How to order? Shank Type + Diameter + Face Design + Button Configuration For brochure and more product information, please leave us a message. | |
To Chose the Right Products
When selecting the applicable bit for optimum performance and you have to balance penetration against bit life. On occasion you can successfully sacrifice bit life for penetration, remember the rule of thumb that states that a 10% increase in penetration covers at least a 20% loss in bit life. YikYui commonly has three basic bits head designs: Flat Face, Convex and Concave. These are designed for specific applications for all rock types, hardness’s and conditions:
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