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| Categories | Rock Drill Bits |
|---|---|
| Brand Name: | MIROC by KSQ |
| Model Number: | BS732-7D-23 |
| Certification: | ISO9001 |
| Place of Origin: | China (Mainland) |
| MOQ: | 20 Pieces |
| Price: | Negotiable |
| Payment Terms: | L/C, D/A, D/P, T/T, Western Union, MoneyGram |
| Supply Ability: | 100000 Pieces per Year |
| Delivery Time: | 5-15 Working Days |
| Packaging Details: | Carton Box or Wooden Box |
| Product Name: | Taper Button Bit |
| Processing Type: | Forging |
| Usage: | Small Hole Drilling |
| Face type: | Flat Face |
| Button Size: | Front 2*7mm Gauge 5*7mm |
| Weight: | 0.39 kg |
| Degree: | 7 degree |
| Skirt Type: | Long Skirt and Short Skirt |
7 Degree 32mm Tapered Button Rock Drill Bit Carbide Button Bit for Steel Shank
All our products are widely used in open pit mining, tunneling, quarrying, transportation construction,engineering, earth-rock excavation, water wells, pile foundation, and civil engineering project etc.
Product Description:
The Tapered Button Bits are connected with the tapered rods through taper to finish drilling work. The Tapered Button Bits are mainly used in the fields of secondary crushing, anchor rod support, tunneling, etc.
The selection of button bit is quite concerning with the rock condtion. If you don't know how to choose an applicable button bit, we strongely suggest you study the rock conditon first.
Below is the rock hardness grade list for your reference.
| Rock Grade | Hardness Level | Typical Rock | F grade | Applicable button bit |
| 1 | The hardest | the hardest and compact quartz, basalt and other special hard rocks | f=20 | The best quality |
| 2 | strong hard | very hard granite&quartz porphyry&siliceous schist, hard quartz, the hardest sandstone &limenstone rock | 15 | The best or high end quality |
| 3 | very hard | compact granite, very hard sandstone&limestone, quartz vein, hard conglomerate, very hard iron ore | 10 | High end or Normal |
| 4 | very hard | hard sandstone, limestone, marble, dolomite, pyrite ore, not hard granite | 8 | Normal |
| 5 | hard | normal sandstone, iron ore | 6 | Normal |
| 6 | hard | Sandy shale, shaly sandstone | 5 | Normal |
| 7 | middel hard | hard pelitopsammite, not hard sandstone and limestone, soft conglomerate | 4 | Normal |
Products Parameters:
| Small Hole Drilling Tools, Tapered Tools, 7 Degree MIROC Button Bits,Short Skirt, By KSQ Technologies | |||||||||
| Bit Dia | Button and Size(mm) | Flushing Hole | Weight | Part Number | Product Code | ||||
| mm | inch | Front | Gauge | Angle | Front | Side | kg | ||
| 32 | 1 1/4 | 1x8 | 3x8 | 35° | 1 | 1 | 0.24 | 4148300157 | BS432-7D-22 |
| 36 | 1 3/7 | 1x8 | 3x9 | 40° | 1 | 1 | 0.37 | 4148300161 | BS436-7D-22 |
| 38 | 1 1/2 | 1x8 | 3x9 | 35° | 1 | 1 | 0.37 | 4148300163 | BS438-7D-23 |
| 40 | 1 4/7 | 1x8 | 3x9 | 30° | 1 | 1 | 0.38 | 4148300166 | BS440-7D-23-1 |
| 40 | 1 4/7 | 1x9 | 3x10 | 30° | 1 | 1 | 0.4 | 4148300167 | BS440-7D-23-2 |
| 40 | 1 4/7 | 1x9 | 3x9 | 35° | 1 | 1 | 0.4 | 4148300168 | BS440-7D-23-3 |
| 42 | 1 2/3 | 1x8 | 3x9 | 30° | 1 | 1 | 0.4 | 4148300170 | BS442-7D-23-1 |
| 42 | 1 2/3 | 1x9 | 3x10 | 30° | 1 | 1 | 0.43 | 4148300171 | BS442-7D-23-2 |
| 42 | 1 2/3 | 1x9 | 3x9 | 35° | 1 | 1 | 0.43 | 4148300172 | BS442-7D-23-3 |
Product Advantage:
1. High quality and resistance
2. Fast drilling speed and low breakage;
Specification of other Taper Button Bits:
| Products Name | Dia (mm) | Taper Angel (°) | Length(mm) | Weight(kg) |
| Taper Chisel / Cross Bit | 28 | 7 degree | 62mm | 0.16 |
| 30 | 0.20 | |||
| 32 | 0.22 | |||
| 34 | 0.24 | |||
| 36 | 0.28 | |||
| 38 | 0.32 | |||
| 40 | 0.36 | |||
| 42 | 0.38 | |||
| 46 | 0.44 | |||
| 50 | 0.50 | |||
| 60 | 0.66 | |||
| Taper Button Bit (with 4 pcs buttons) | 30/32 | 7 degree | 63mm | 0.20/0.22 |
| 36/38 | 0.28/0.34 | |||
| 40/42 | 0.36/0.42 | |||
| Taper Button Bit (with 5 pcs buttons) | 34 | 11 degree | 65mm | 0.3 |
| 40 | 7/11 degree | 63mm | 0.36 | |
| Taper Button Bit (with 6 pcs buttons) | 36 | 11 degree | 63mm | 0.3 |
| 40 | 7 degree | 0.36 | ||
| 42 | 7 degree | 0.38 | ||
| Taper Button Bit (with 8 pcs buttons) | 32 | 7/12 degree | 65mm | 0.28 |
| 34 | 68mm | 0.30 | ||
| 38 | 63mm | 0.40 |
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