| After-sales Service: | Repair or Replacement |
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| Warranty: | 6 Months |
| Certification: | ISO 9001:2000, ISO 9001:2008 |
| Customization: |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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| Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Suppliers with verified business licenses
Audited Supplier Reaming drilling tools are used when a large diameter is needed to be reamed out after a pilot hole is drilled to a depth. We manufacture pilot reaming drilling tools, domed reaming button bits and adapter reaming button bits. Pilot reaming drilling tools consist of pilot adapters and reaming button bits; however, both domed reaming button bits and adapter reaming buttons bits are one-piece designed.
Parameters
• Thread size: R25, R28, and R32.
• Pilot adapter head diameter: 26mm to 40 mm.
• Pilot bit degree: 6°, 12°
• Reaming button bit diameter: 64mm to 225mm.
• Reamer button bit degree: 6°, 12°
Features
• Alloy buttons are hot mounted into the drill bit, ensuring the bit good accuracy and durability;
• Reliability ensured by premium drill bit materials and premium alloy button;
• Different types designed for different drilling scenarios and rock conditions;
• High speed and drilling efficiency;
• Cost-effective, good performance with reasonable price.
Applications
Drilling works for blasting duties in tunneling, construction, mining, quarrying, etc.
| Thread | Carbide dimension | D | d | Flushing hole | ||||||
| Gauge | Front | |||||||||
| [No.] | [mm] | [No.] | [mm] | [mm] | [in] | [mm] | [in] | Front | Side | |
| R 32 | 8 | 14 | 4 / 3 | 11 / 11 | 102 | 4" | 41 | 1 5/8" | 2 | 0 |
| T 38 | 8 | 14 | 7 / 4 / 2 | 11 /11 / 9.5 | 102 | 4" | 51 | 2" | 2 | 0 |
| T 38 | 8 | 14 | 4/6 | 12.7/12.7 | 127 | 5" | 67 | 2 5/8" | 2 | 0 |
| T 45 | 8 | 14 | 4/6 | 12.7/12.7 | 127 | 5" | 64 | 2 1/2" | 2 | 0 |
| T 45 | 8 | 14 | 4/6 | 12.7/12.7 | 127 | 5" | 73 | 2 7/8" | 2 | 0 |
| T 38 | 8 | 16 | 6/6 | 14/14 | 152 | 6" | 102 | 4" | 2 | 0 |
| T 45 | 8 | 16 | 2/4/6 | 14/16/12.7 | 152 | 6" | 64 | 2 1/2" | 2 | 0 |
| ST 58 | 8 | 16 | 4/6 | 14 / 14 | 152 | 6" | 89 | 3 1/2" | 2 | 0 |
| R 38 | 10 | 16 | 6/3 | 14 / 14 | 178 | 7" | 76 | 3" | 2 | 0 |
| T 38 | 10 | 16 | 8/16 | 16 / 14 | 203 | 8" | 152 | 6" | 2 | 0 |
| ST 58 | 12 | 14 | 20/4 | 14 / 14 | 225 | 8 7/8" | 127 | 5" | 4 | 0 |
| R 32 | 8 | 11 | 7 | 9.5 | 76 | 3" | 29 | 1 5/32" | 3 | 1 |
| R 32 | 8 | 12.7 | 6/1 | 11/9.5 | 89 | 3 1/2" | 29 | 1 5/32" | 3 | 2 |
| R 32 | 8 | 12.7 | 6/1 | 12.7 / 9.5 | 102 | 4" | 29 | 1 5/32" | 3 | 2 |
| R 35 | 8 | 12.7 | 6/1 | 12.7 / 9.5 | 102 | 4" | 29 | 1 5/32" | 3 | 2 |
| T 38 | 8 | 12.7 | 6/1 | 12.7 / 9.5 | 102 | 4" | 29 | 1 5/32" | 3 | 2 |
| R 32 | 8 | 14 | 10/1 | 12.7 / 11 | 115 | 4 1/2" | 29 | 1 5/32" | 4 | 1 |
| T 38 | 8 | 14 | 10/1 | 12.7 / 11 | 115 | 4 1/2" | 29 | 1 5/32" | 4 | 1 |
| R 32 | 8 | 14 | 10/1 | 12.7 / 11 | 127 | 5" | 29 | 1 5/32" | 4 | 1 |
| T 38 | 8 | 14 | 10/1 | 12.7 / 11 | 127 | 5" | 29 | 1 5/32" | 4 | 1 |
The information you may like to know before order:
1. Methods of Payment:
T/T (Telegraphic Transfer) or Western Union or L/C at sight
2. Handling time for an order
Based on order quantity, normally it takes 25 days for production.
Only 2 or 3 days if we have stock on your request size.
3. Shipping way
Sample order: we suggest Courier express like DHL/UPS/TNT/FEDEX or by air
Bulk order: we suggest by air or by sea.
4. Quality Control
We have our own experienced QC.
There will be strict inspection and testing for every order before shipping out.
5. After Services:
a. Our sales team will response for your question within 24 hours (Holidays Excluded)
b. Technical Support will be available in any time
c. Free replacement will provide once the failure confirmed caused by our product quality
Suppliers with verified business licenses
Audited Supplier 
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