127-CIR110 eccentric drill bit for water well drilling
- 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: If we need technical support of Eccentric Drill Bit,can you offer us?
A: Yes, we have an experienced team, offering our customers additional benefits with specific advice.
Q: Do you offer OEM service of eccentric drill bit?
A: Yes, we can offer OEM service if you have regular requirement.
Q:Can I have a sample for testing?
A:Samples are still to be paid but discounted price can be provided.
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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