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Product Description:
11° Tapered drill rod
| Dimensons L | Dimensons D | Part No. | |||
| mm | ft | in | mm | in | |
| 610 | 2 | - | 22 | 7/8 | 10220611 |
| 1220 | 4 | - | 22 | 7/8 | 10221211 |
| 1830 | 6 | - | 22 | 7/8 | 10221811 |
| 2000 | 6 | 7 | 22 | 7/8 | 10222011 |
| 2440 | 8 | - | 22 | 7/8 | 10222411 |
| 3050 | 10 | - | 22 | 7/8 | 10223011 |
| 3200 | 10 | 6 | 22 | 7/8 | 10223211 |
| 3660 | 12 | - | 22 | 7/8 | 10223611 |
Bit Diameter: 30-45mm
Size: Hex. 22mm, 25mm
Taper degree: 4°46′, 6°, 7°, 11°, 12°
Applications: Quarrying, small hole drilling
Our tapered bits include button, cross and chisel designs.
Longer service life and lower drilling costs.
11°, 12° tapered button bit with hot zinc-coating
Remarks:
Hemispherical-66(Usually for very hard rocks)
Ballistic-65(Ususally for medium hard rocks)
Semiballistic-64(Usually for medium hard rocks)
Conical-67(Usually for soft rocks)
Product Process:
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FAQ:
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
