| Condition: | New | Processing Type | Forging |
| Applicable Industries: | Energy & Mining, Underground Drilling And Surface Drilling | Use | Ore Mining, quarry,mining,blasting,construction,open bit etc. |
| Video outgoing-inspection | Provided | Quality | 100% quality similarity world top class brands |
| Machinery Test Report | Provided | Advantages | high quality and factory prices |
| Marketing Type | Ordinary Product | Boby type | Normal type or retrac type |
| Brand Name | JCDRILL | Thread | R25, R28, R32, R3212 R35, R38, T38, T45, T51, ST58, GT60, GT68 |
| Type | Thread Button Bit | Tungsten carbide | Spherical, ballistic,Conical,Hemispherical |
| Machine Type | Drilling Tool | Fact type | Drop Center, Flat Face, Convex, Concave, etc |
| Material | Carbon steel |
Introduction
Description
This type of bit is used for making large cut holes in drifting and tunneling. A smaller hole is first drilled and then reamed to the final size in combination with a pilot adapter.
• Widely used in drifting and tunneling
• R28 thread system
Color: Yellow,black or Based on Customer requirements
Material: Tungsten carbide and high strength alloy steel
Processing: CNC milling and proprietary heat treatment process
Type: R28 Reaming Bit 6
Applications
• Underground mining
• Tunneling
Competitive Advantage
• High grade tungsten carbide inserts
• Bit bodies manufactured from high grade steel and processed using state-of-the-art CNC machinery and heat treatment
| R28 | ||||||||
| Drill Bit | Bit Dia. | NO x Button x Dia. | Flushing Hole | Weight | ||||
| mm | inch | Front | Gauge | Angle | Front | Side | （KG） | |
 |
Spherical Buttons | |||||||
| 37 | 1 29/64 | 2x7 | 5x9 | 30° | 1 | 1 | 0.5 | |
| 38 | 1 1/2 | 2x8 | 4x9 | 30° | 1 | 2 | 0.6 | |
| 38 | 1 1/2 | 2x7 | 5x9 | 30° | 1 | 1 | 0.6 | |
| 41 | 1 5/8 | 2x8 | 5x9 | 35° | 1 | 1 | 0.7 | |
| 43 | 1 2/3 | 2x9 | 5x9 | 30° | 1 | 2 | 0.8 | |
| 45 | 1 3/4 | 2x9 | 5x10 | 30° | 1 | 2 | 0.9 | |
| 45 | 1 3/4 | 3x8 | 6x9 | 30° | 1 | 3 | 0.9 | |
| Parabolic Buttons | ||||||||
| 37 | 1 4/9 | 2x7 | 5x9 | 30° | 1 | 1 | 0.5 | |
| 38 | 1 1/2 | 2x8 | 4x9 | 30° | 1 | 2 | 0.6 | |
| 38 | 1 1/2 | 2x7 | 5x9 | 30° | 1 | 1 | 0.6 | |
| 41 | 1 5/8 | 2x8 | 5x9 | 35° | 1 | 1 | 0.7 | |
| 43 | 1 2/3 | 2x9 | 5x9 | 35° | 1 | 2 | 0.8 | |
| 45 | 1 3/4 | 2x9 | 5x10 | 30° | 1 | 2 | 0.9 | |
| 45 | 1 3/4 | 3x8 | 6x9 | 35° | 1 | 3 | 0.9 | |
| 48 | 1 7/8 | 2x9 | 5x11 | 30° | 1 | 2 | 1.0 | |
| 48 | 1 7/8 | 3x8 | 6x9 | 35° | 1 | 3 | 1.0 | |
 |
38 | 1 1/2 | 14x8 | 1 | 2 | 0.6 | ||
| 41 | 1 5/8 | 14x8 | 1 | 4 | 0.7 | |||
| 43 | 1 2/3 | 14x8 | 1 | 4 | 0.7 | |||
| 45 | 1 3/4 | 14x8 | 1 | 4 | 0.9 | |||
| 51 | 2 | 14x8 | 1 | 4 | 1.1 | |||
| Drill Roll | Bit Dia. | Dimaeter | Weight | |||||
| mm | inch | mm | inch | （KG） | ||||
 |
2400 | 7'10" | 28 | 1 1/8 | 12.2 | |||
| 2750 | 9' | 28 | 1 1/8 | 14.4 | ||||
| 3700 | 12'11/2" | 28 | 1 1/8 | 18.9 | ||||
| 4000 | 13'1/8" | 28 | 1 1/8 | 20.4 | ||||
| 4310 | 14'11/2" | 28 | 1 1/8 | 22.0 | ||||
| 4920 | 16'11/2" | 28 | 1 1/8 | 25.3 | ||||
| 2900 | 9'61/8" | 32 | 1 1/4 | 18.8 | ||||
| 3090 | 10'11/2" | 32 | 1 1/4 | 20.0 | ||||
| 3700 | 12'11/2" | 32 | 1 1/4 | 24.0 | ||||
| 4310 | 14'11/2" | 32 | 1 1/4 | 27.9 | ||||
| 3090 | 10'11/2" | 32 | 1 1/4 | 20.0 | ||||
| 3700 | 12'11/2" | 32 | 1 1/4 | 23.5 | ||||
| 3090 | 10'11/2" | 32 | 1 1/4 | 20.0 | ||||
| 3700 | 12'11/2" | 32 | 1 1/4 | 24.0 | ||||
| 4000 | 13'13/8" | 32 | 1 1/4 | 25.9 | ||||
| 4310 | 14'11/2" | 32 | 1 1/4 | 27.9 | ||||
| 3050 | 10' | 28 | 1 1/8 | 15.0 | ||||
| 3050 | 10' | 28 | 1 1/8 | 15.0 | ||||
| Coupling | Bit Dia. | Dimaeter | Weight | |||||
| mm | inch | mm | inch | （KG） | ||||
 |
150 | 5 7/8 | 44 | 1 3/4 | 1.0 | |||
| 150 | 5 7/8 | 40 | 1 37/64 | 0.9 | ||||
| 170 | 6 3/4 | 55 | 2 5/32 | 2.0 | ||||
| 160 | 6 5/16 | 45 | 1 3/4 | 1.2 | ||||
| 160 | 6 5/16 | 56 | 1 13/64 | 2.5 | ||||
Picture
| Minimum Order Quantity | N/A |
| Price | |
| Packaging Details | Standard Export Delivery Package |
| Delivery Time | 7days |
| Payment Terms | T/T |
| Supply Ability | Based on Detailed Order |
