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| Dimensions D | Flushing hole(mm) | Buttons(mm) | Angle | Class | Part no. | |||
| mm | in | Front No Size | Gauge No Size | Front No Size | Gauge No Size | |||
| 70 | 2 3/4 | 2*8 | 2*6 | 4*11 | 8*11 | 35° | H | 3070T4512 |
| 76 | 3 | 2*9 | 2*7 | 4*11 | 8*12 | 35° | H | 3076T4512 |
| 89 | 3 1/2 | 2*13 | 2*8 | 5*12 | 8*14 | 35° | H | 3089T4513 |
| 102 | 4 | 2*13 | - | 6*13 | 8*14 | 35° | H | 30102T4514 |
Maxdrill thread button bits are produced through heat treatment in the production process, and tungsten carbides are inserted by hot press technology. After special process, the thread button bits can bear the hardness strong rock formation.
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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
Website:maxdrillrocktools.en.made-in-china.com
