| After-sales Service: | Online Service |
|---|---|
| Certification: | ISO 9001:2008 |
| Surface Treatment: | Spray-Paint |
| Manufacturing Process: | Forging |
| Material: | Carbide |
| Applicable Industries: | Retail, Construction Works , Energy & Mining, Quar |
| Customization: |
|---|
Suppliers with verified business licenses
Audited Supplier -Name: Conical straight drill bit for quarrying, mining, and tunnel excavation
-Brand name: KUANGBAO
-Diameter: 28/30/32/34/36/38/40/42/46/48/50/55/60/65/70/80/90/100/120 etc.
-Material:carbide.
-Taper: 6°, 7°, 11°,12°
-Machinery: rock drill, rock drill
-Color: blue, black, golden, red
-Packaging: wooden box
-Delivery time: 7-15 days
-Purpose: small hole drilling
-Application: Used in granite and marble quarries, gold mines, railways, tunnels, etc.
| Type | Size(mm) | Angle | ||||
| D | d | H | β | γ | α | |
| y28-719 | 28 | 19 | 6 | 110º | 3º | / |
| y30-719 | 30 | 19 | ||||
| y32-722 | 32 | 22 | ||||
| y34-722 | 34 | 22 | ||||
| y36-722 | 36 | 22 | ||||
| y38-722 | 38 | 22 | ||||
| y40-722 | 40 | 22 | 6 | 110º | 3º | / |
| y40-724 | 40 | 24 | ||||
| y42-722 | 42 | 22 | ||||
| y42-724 | 42 | 24 | ||||
| y43-722 | 43 | 22 | ||||
| y43-724 | 43 | 24 | ||||
| y44-722 | 44 | 22 | ||||
| y44-724 | 44 | 24 |
Advantages:
Compared with the oversea brands, our advantages are bellowing:
A. Our products can match over 95% against the original products
B. Price are competitive against the famous brands and best quality against the small factory
About Us:
1. Our factory has been specialized in manufacturing drilling tools and spare parts for over 20 years.
2. We have advanced technology and equipment,advanced heat treatment theory.
3. Our technician has more than 17 year's professional working experience.
Our main products:
1. DTH Hammer, DTH bit, Drill rod
2. Top hammer bit, Shank adapter, Drill pipe, coupling.
3. Taper button bit, chisel bit, cross bit,taper rod.
4. Air compressor and drilling machine.
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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