DTH Hammer Bit with Casing Shoe Water Well Drilling Overburden Symmetric Concentric Pilot Ring Bit

Product Description

High quality DHD360-165mm DTH drill Bit For Water Well Drilling
 
With professional manufacturing experience in DTH hammer production, our factory can supply you with high pressure and medium to low pressure DTH hammers.It is durable for being produced with advanced craftwork and good material.

 

It also has the followingadvantages:

1. Deliver maximum energy to drilling bit, fast drilling speed and low air consumption due to the special inner structure of HD series DTH hammer designed according to newest rock drilling theory.

2. Smooth performance and long service life of HD series DTH hammer due to high quality alloy steel materials and advanced processing technology adapted.

3. Low problem rate and easy to maintenance due to simple, reliable and easy assemble and disassemble inner structure of hammer.

4. Easy to depart bit from hammer due to multihead thread connecting chuck and cylinder of hammer.

5. Interchangeable with DTH bit and drill pipe

 

DTH Bit

   

DTH bit is also our main product. After mang years search, we have rich experience in development and manufacturing high quality products, which adopted high-quality raw materials, advanced technology and passed through strictly inspection.

 

1.high and low air pressure down-the-hole drill bits
2.Low air pressure holeDia.:65-220mm

3.High air pressure hole Dia.:85-305mm

4.Face type:drop center/concave/convex/double gauge/flat

5.Our DTH Bit can be suitable for many types of DTH Hammer, such as XL, Mission, COP, IR, Mach, Demag, SD, Bulroc, Digger etc.

 

DTH bit is also our main product. After mang years search, we have rich experience in development and manufacturing high quality products, which adopted high-quality raw materials, advanced technology and passed through strictly inspection.

 

1.high and low air pressure down-the-hole drill bits
2.Low air pressure holeDia.:65-220mm

3.High air pressure hole Dia.:85-305mm

4.Face type:drop center/concave/convex/double gauge/flat

5.Our DTH Bit can be suitable for many types of DTH Hammer, such as XL, Mission, COP, IR, Mach, Demag, SD, Bulroc, Digger etc.

DTH hammer type		HQL6A	HD75A	HD85A	HM8A
Length(less bit) mm		1183	1258	1359	1338
Weight(less bit) kg		92	120	175	176
External diameter mm		146	165	180	180
Bit shank		QL60	COP64 DHD360	COP84 DHD380	HM8A
Hole range(mm)		155-203	175-216	195-254	195-254
Connection thread		3 1/2"Reg	3 1/2"Reg	4 1/2"Reg	4 1/2"Reg
Working pressure		1.0-2.5Mpa	1.0-2.5Mpa	1.0-2.5Mpa	1.0-2.5Mpa
Impact rate at 1.5/1.7Mpa		25Hz	23Hz	22Hz	22Hz
Recommended Rotation speed		20-30r/min	20-30r/min	15-25r/min	15-25r/min
Air consumption	1.0Mpa	9.0m3/min	11.0m3/min	12.0m3/min	12.0m3/min
	1.5/1.8Mpa	18.0m3/min	20.0m3/min	22.0m3/min	22.0m3/min
	2.4Mpa	26.0m3/min	28.0m3/min	28.0m3/min	28.0m3/min

FAQ

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