Eccentric Overburden Drilling Equipment Drilling Spare Parts 114 127 146 168 178
Place of Origin: China
Brand Name: MSD
Model Number: 168-CIR110
Payment & Shipping Terms:
Delivery Time: 10-25 days
Payment Terms: T/T west union L/C
Supply Ability: 10000 pieces per month
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- Product Description
- 1 Applications: Ore, rock,mining or welling drilling
- 2 Processing type: Forging
- 3 Color: As request
- 4 Advantage: High-efficiency
- 5 DTH hammer size: CIR110
- 6 Face Shape: Flat, Concave & Covex face
- 7 Carbide button shape: Parabolic, Ballistic & Domed
- 8 Material: Tungsten carbide and hard alloy steel
Eccentric casing System
Hardening treatment of the part’s surface：with longer operating life and excellent anti-wear properties.
Structural optimization：Strengthen the structural strength, easy to operate
Superior performance：Stable and reliable performance, high drilling speed
Working Principle of Drill:
1.When start drilling , the reamer swings out and reams the pilot-hole wide enough for the casing tube to slide down behind the drill bit assembly.
2.When the required depth is reached, rotation is reversed carefully, whereupon the reamer swings in. Allowing the drill bit assembly to be pulled up through the casing.
3.Casing tubes that are to be left in the drill hole should be sealed at the bottom of the hole by means of cement grout or some other sealing agent.
4.Drilling continues to the desired depth in the bedrock using a conventional drilling.
Q:As I know many companies supply free samples, do you offer free samples?
A:We don’t offer free samples, according to our year of experience we think when people get the samples by paying they will cherish what they get. Although the quantity of sample is small however its cost is higher than normal production.
Q:Why choose us?
A:High-quality products, reasonable price, professional team work..
Q. Do you have different type for different kind of stone?
A.Yes,according hardness of stone and stone's feature, we have different type respectively.
Q:Do you have the inspection procedures?
A:100% strict inspection and testing for every order before packing.
Q: How long is your delivery time?
A: Generally speaking, 5-10 days if have stock . Regular order delivery in 20~30 days if without stock.Otherwise it depends on your order Quantity.
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