| 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 Integral Drill Steel is used by a hand held drill machine in Underground mining and for small hole drilling, equipped with small power rock drills, like air leg rock drills, hand held rock drills, etc. It can reduces the expense of impact energy, improves the drilling speed and efficiency, also it can be used for drilling bore hole diameter from 24mm to 44mm usually. Regarding Integral drill steels,the quality of a steel material and a tungsten carbide is very important to get good drilling performance.
According to different application, different lengths are available from 600mm to 9600mm usually.
(1)Steel grade: 95CrMo equivalent to sanbar 20 or C253, 55SiMnMo,Z708.
(2)Shank size: hex19mm hex.22mm, including Plug Hole Rod
(3)Head Diameter: 24mm-44mm
(4)Length: 0.4m-10m
(5)Package: in wooden case or in bundles.
(6)Productivity: 20000pcs / month
| Series | Length | Bit dia. | |||
| mm | ft | in | mm | in | |
| 11 | 800 | 2' | 7" | 34 | 1 11/32" |
| 1600 | 5' | 3" | 33 | 1 19/64" | |
| 2400 | 7' | 10" | 32 | 1 1/4" | |
| 3200 | 10' | 6" | 31 | 1 7/32" | |
| 4000 | 13' | 1" | 30 | 1 3/16" | |
| 4800 | 15' | 9" | 29 | 1 9/64" | |
| 5600 | 18' | 4" | 28 | 1 7/64" | |
| 6400 | 21' | - | 27 | 1 1/16" | |
| 7200 | 23' | 8" | 26 | 1 1/32" | |
| 12 | 800 | 2' | 7" | 40 | 1 37/64" |
| 1600 | 5' | 3" | 39 | 1 17/32" | |
| 2400 | 7' | 10" | 38 | 1 1/2" | |
| 3200 | 10' | 6" | 37 | 1 29/64" | |
| 4000 | 13' | 1" | 36 | 1 27/64" | |
| 4800 | 15' | 9" | 35 | 1 3/8" | |
| 5600 | 18' | 4" | 34 | 1 11/32" | |
| 6400 | 21' | - | 33 | 1 19/64" | |
| 7200 | 23' | 8" | 32 | 1 1/4" | |
| 13 | 400 | 1' | 4" | 34 | 1 11/32" |
| 800 | 2' | 7" | 33 | 1 19/64" | |
| 1200 | 3' | 11" | 32 | 1 1/4" | |
| 1600 | 5' | 3" | 31 | 1 7/32" | |
| 2000 | 6' | 7" | 30 | 1 3/16" | |
| 16 | 600 | 2' | - | 35 | 1 3/8" |
| 1200 | 3' | 11" | 34 | 1 11/32" | |
| 1800 | 5' | 11" | 33 | 1 19/64" | |
| 2400 | 7' | 10" | 32 | 1 1/4" | |
| 17 | 600 | 2' | - | 41 | 1 5/8" |
| 1200 | 3' | 11" | 40 | 1 37/64" | |
| 1800 | 5' | 11" | 39 | 1 17/32" | |
| 2400 | 7' | 10" | 38 | 1 1/2" | |
| 2000 | 6' | 7" | 33 | 1 19/64" | |
| 8000 | 26' | 3" | 26 | 1 1/32" | |
| 8800 | 28' | 11" | 25 | 1" | |
| 9600 | 31' | 6" | 25 | 1" | |
| 800 | 2' | 7" | 29 | 1 9/64" | |
| 1600 | 5' | 3" | 28 | 1 7/64" | |
| 2400 | 7' | 10" | 27 | 1 1/16" | |
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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