Description & Specification
7 11 12 degree tapered drill rod
Tapered drill rods, Integral drill rods, Plug hole rods
Tapered drill rods are used in granite and marble quarry, gold mine, railway, tunnel, etc. for drilling
High quality carbide and high quality steel
No requirement for testing and trial order
We can produce as your request of carbide size, different length of drill rods.
Types of drill rods
Tapered drill rods
Taper Angle: 4, 6, 7, 11, 12 degree
400mm to 8000mm
Hex22mm*108mm Hex25mm*159mm Hex19mm*108mm
1.7 - 24.9
Integral drill steel
Bit diameter: 26mm, 28mm, 30mm, 32mm, 34mm, 36mm, 38mm, 40mm, 42mm
400mm to 4800mm
3 – 15.4
Plug hole rods
Chisel bit diameter: 17mm, 20mm, 22mm
150mm to 710mm
0.6 - 2.9
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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:
1. Our sales team will response for your question within 24 hours (Holidays Excluded)
2. Technical Support will be available in any time
3. Free replacement will provide once the failure confirmed caused by our product quality
1. Our factory has been specialized in manufacturing drilling tools and spare parts since 1980.
2. We have advanced technology and equipment.
3. Our technician has more than 25 year's professional working experience.
4. Rock drilling tools are exported throughout the world. Main market: Norway, Turkey, USA, Canada, Australia, Brazil, Uruguay, Iran, Philippines, Thailand, India, etc.