| Customization: | Available |
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| After-sales Service: | Repair or Replacement |
| Warranty: | 6 Months |
| Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
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| Payment Methods: |
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| Support payments in USD |
| Secure payments: | Every payment you make on Made-in-China.com is protected by the platform. |
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| Refund policy: | Claim a refund if your order doesn't ship, is missing, or arrives with product issues. |
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Drifting and tunnelling tools include rods, shank adapters, couplings and bits. We have mainly 7 threads: R25, R28,SR28,R32,SR35, and R35. Diameter: 38-127mm,They can be used with button bits, cross bits and reaming products.
| Carbide dimension | Dimensions D | Flushing hole | |||||
| Gauge | Front | ||||||
| [No.] | [mm] | [No.] | [mm] | [mm] | [in] | Front | Side |
| 6 | 10 | 3 | 10 | 57 | 2 1/4" | 3 | 1 |
| 6 | 11 | 3 | 11 | 64 | 2 1/2" | 3 | 1 |
| 6 | 11 | 3 | 9.5 | 57 | 2 1/4" | 1 | 2 |
| 6 | 12.7 | 3 | 11 | 64 | 2 1/2" | 1 | 2 |
| 6 | 12.7 | 3 | 12.7 | 76 | 3" | 3 | 1 |
| 6 | 14 | 4 | 14 | 89 | 3 1/2" | 3 | 0 |
| 6 | 12.7 | 5 | 11 | 70 | 2 3/4" | 1 | 2 |
| 6 | 12.7 | 5 | 11 | 76 | 3" | 1 | 2 |
| 8 | 10 | 4 | 10 | 64 | 2 1/2" | 2 | 0 |
| 8 | 10 | 4 | 10 | 70 | 2 3/4" | 2 | 0 |
| 8 | 11 | 6 | 11 | 76 | 3" | 2 | 0 |
| 8 | 12.7 | 6 | 12.7 | 89 | 3 1/2" | 2 | 0 |
| 8 | 14 | 6 | 14 | 102 | 4" | 2 | 0 |
| 8 | 16 | 6 | 14 | 115 | 4 1/2" | 2 | 0 |
| 9 | 11 | 8 | 10 | 89 | 3 1/2" | 3 | 1 |
| 9 | 12.7 | 8 | 12.7 | 102 | 4" | 3 | 1 |
| Drop Center | |||||||
| 6 | 10 | 3/1 | 10/9 | 64 | 2 1/2" | 3 | 0 |
| 6 | 11 | 3/1 | 11 / 9.5 | 70 | 2 3/4" | 3 | 0 |
| 6 | 12.7 | 3/1 | 11 / 9.5 | 76 | 3" | 3 | 0 |
| 6 | 14 | 3/2 | 12.7 / 9.5 | 89 | 3 1/2" | 3 | 0 |
| 8 | 11 | 4/1 | 10/10 | 76 | 3" | 4 | 0 |
| 8 | 11 | 4/2 | 11 / 9.5 | 89 | 3 1/2" | 4 | 0 |
| 8 | 14 | 4/3 | 12.7 / 11 | 102 | 4" | 4 | 0 |
| Flat Face / Retrac | |||||||
| 6 | 11 | 3 | 9.5 | 57 | 2 1/4" | 1 | 2 |
| 6 | 12.7 | 3 | 11 | 64 | 2 1/2" | 1 | 2 |
| 6 | 12.7 | 3 | 11 | 64 | 2 1/2" | 3 | 0 |
| 6 | 12.7 | 3 | 12.7 | 76 | 3" | 3 | 1 |
| 6 | 14 | 4 | 14 | 89 | 3 1/2" | 3 | 0 |
| 8 | 10 | 4 | 10 | 64 | 2 1/2" | 2 | 0 |
| 8 | 12.7 | 5 | 10 | 76 | 3" | 4 | 0 |
| 8 | 11 | 6 | 11 | 76 | 3" | 2 | 0 |
| 8 | 12.7 | 6 | 12.7 | 89 | 3 1/2" | 2 | 0 |
| 8 | 14 | 6 | 14 | 102 | 4" | 2 | 1 |
| Drop Center / Retrac | |||||||
| 6 | 10 | 3/1 | 10/9 | 64 | 2 1/2" | 3 | 0 |
| 6 | 11 | 3/1 | 11 / 9.5 | 70 | 2 3/4" | 3 | 0 |
| 6 | 12.7 | 3/1 | 11 / 9.5 | 76 | 3" | 3 | 0 |
| 6 | 14 | 3/2 | 12.7 / 9.5 | 89 | 3 1/2" | 3 | 0 |
| 8 | 11 | 4/1 | 10/10 | 76 | 3" | 4 | 0 |
| 8 | 11 | 4/2 | 11 / 9.5 | 89 | 3 1/2" | 4 | 1 |
| 8 | 14 | 4/3 | 12.7 / 11 | 102 | 4" | 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
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