10inch DTH Drill Bit for Coal Mining with Heat Treatment and 254mm to 330mm Diameter
Price:
$1,000
MOQ:
1
Delivery Time:
15-25 days
Brand:
SOLLROC
Product Description
Down the Hole 10inch Drill Bit for Borehole Drilling
Technical Specifications
| DTH Bits Shank | Bit Dia. | Air Holes No. | Gauge Buttons | Front Buttons | Weight (Kg) | Part No. |
|---|---|---|---|---|---|---|
| SD10 Series | ||||||
| 254 mm (10") | 254 mm | 3 | 12×φ18 | 20×φ16 | 108.0 | SD10-254 |
| 305 mm (12") | 305 mm | 4 | 12×φ18 | 36×φ18 | 125.0 | SD10-305 |
| 311 mm (12 1/4") | 311 mm | 4 | 12×φ18 | 36×φ16 | 130.0 | SD10-311 |
| 318 mm (12 1/2") | 318 mm | 4 | 12×φ18 | 38×φ16 | 142.0 | SD10-318 |
| 330 mm (13") | 330 mm | 4 | 16×φ18 | 42×φ16 | 155.0 | SD10-330 |
| N100 Series | ||||||
| 254 mm (10") | 254 mm | 3 | 12×φ18 | 20×φ16 | 90.0 | N100-254 |
| 305 mm (12") | 305 mm | 4 | 12×φ18 | 36×φ18 | 102.0 | N100-305 |
| 311 mm (12 1/4") | 311 mm | 4 | 12×φ18 | 36×φ16 | 104.0 | N100-311 |
| 318 mm (12 1/2") | 318 mm | 4 | 12×φ18 | 38×φ16 | 106.0 | N100-318 |
| 330 mm (13") | 330 mm | 4 | 14×φ18 | 42×φ16 | 112.0 | N100-330 |
Delivery Time
Standard delivery takes 15-25 days. Express delivery available in 3-5 days when items are in stock.
Product Features
Bit Face Shape Selection
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Concave Face: Ideal for medium-hard and homogeneous rock formations. Provides excellent hole deviation control and superior flushing capacity.
![Concave face DTH drill bit]()
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Convex Face: Delivers high penetration rates in soft to medium-hard formations with low to medium air pressures. Offers maximum resistance to steel wash but has poorer hole deviation control.
![Convex face DTH drill bit]()
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Flat Face Bit: Designed for hard to very hard and abrasive rock formations with high air pressures. Provides good penetration rates and excellent resistance to steel wash.
![Flat face DTH drill bit]()
Product Images
Shipping & Packaging
Shipping Methods: Available by air, sea, or express courier.
Packaging: Ply-wooden cases with pallet for secure transportation.
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Changsha Sollroc Engineering Equipments Co., Ltd
Location
No55. Jiucaiyuan road, Furong District, Changsha, Hunan,China
Contact Person
Ling Bo