Spiral three-wing concave coreless drill bit for mining.
Common models: 91mm.
Commonly used drill pipes:Conventional with 42, 50 female taper threads.(can be customized or male threads)
Mainly used for: grouting holes, wattle discharge holes, slopes, supports, anchor cables, wells.
Applicable strata: red sandstone, mudstone, coal seam, backfill, limestone, dolomite medium intact strata.
Spiral three-wing concave coreless drill bit for mining.
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The success of your project is important to us! Trust Speedmade on your next project to ensure a successful outcome!
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Speedmade Drilling Equipment Co.,Ltd have a professional geological engineer and drilling experienced team assist you to select the most suitable bits for the formation of your actual geological strata, Speed your drilling! Our philosophy:Controlevery procedure wel, makeeachproduct well.
OUR COMMITMENT
To ensuring we provide you with a high quality standard of service is through our core values of:
* Safety First, no matter the cost.
* Integrity and fair treatment in all our places of work.
* Continually looking for Improvement in our safety and performance.
* Aspiring to our motto of "Putting Performance back into Drilling".
Our Mission Statement is simple "Customers are our future… we must take care of them."
Q1: What are your main products, and used for?
A: Our products include diamond core bits, PDC drill bits, reaming shells, core barrels, casing, drill rods, SPT equipment, drill rig and other drilling parts.
They are mostly used for mineral exploration, geological drilling, geotechnical engineering, building wells drilling and soil sampling.
Q2 : Do you agree sample order?
A:Yes, we are welcome your sample order to testing our quality.
Q3 : Can we select the color of the drill bit?
A:Yes, we have standard rock hardness select index to choose drill bit matrix hardness. If you need, we can make the drill bit color based on yours.
Q4 : How about the payment, Mini. Quantity and delivery methods?
A:1. Payment: T/T, L/C, Western Union, Paypal, 2. Min. order quantity: 1 piece. 3. Transportation: By DHL/TNT/Fedex express, air transportation, sea and train.
Q5 : How does your company control the quality?
A: 1.Quality first. In order to guarantee high quality , SEEDMADE always makes a serious inspection for all products and raw materials in strict procedure. We have obtained certificate of ISO9001:2000 in 2004. 2.To Build good after -sale service system, we draw up the Quality Guarantee accordingly to the industrial standards combining field experience.Pls. see the Quality Guarantee.
------------------------- Professional Drilling Bit Manufacturer ----------------------
1.Shipment:By sea / By air / By car / By trian
2.Packing:Carton or wooden case
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