DHD380

Feature

1 The driling speed is stable:the bit is scraped and cut to break the rock. 2 Good Performance: bit has strong wear resistance, good Diameter protection and can make the cutting teeth be used efficiently.

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Product Details

	Parts	Weight /kg		Parts	Weight /kg
1	Top Sub	42 Kg	9	Piston	41.5 Kg
2	Adjuster Shim	0.2 Kg	10	Piston Case	62.5 Kg
3	"O"Ring	0.02 Kg	11	Retainer Ring	1.2 Kg
4	Check Valve	1.3 Kg	12	"O"Ring	0.02 Kg
5	Spring	0.09 Kg	13	Adjuster Shim	0.2 Kg
6	Rubber Buffer	0.4 Kg	14	Drive Chuck	18.2 Kg
7	Valve Sea	13 Kg	15	Drill Bit
8	Inner Cylinder	9.1 Kg

Technical parameters
	Length(Less bit)	Weight	Outer diameter	Connection Thread	Bit Shank	Hole Range
	1492mm	190Kg	180mm	API4 1/2"REG	DHD380	195-254mm
	Working Pressure		Recommended Rotation Speed		Air Consumption
	Working Pressure		Recommended Rotation Speed		1.8 Mpa	2.4 Mpa
	1.0-3.3 Mpa		30-60 r/min		26 m³/min	34 m³/min

Company

we operate strictly in compliance with the ISO9001 quality management system, and some of our products have passed European CE certification. We always adhere to the principle of “Sincerity-oriented, Credibility first”. By the end of 2024, our products had been sold into 95 countries, such as Germany, France, Sweden, USA, Canada, Italy and Spain, meanwhile, we are gaining recognition and praise from a growing number of clients.

Packing

Exhibition

Exhibition

FAQ

1.What are your main products?

We have many years of drilling experience and mainly serve the drilling of mines and infrastructure. The products involved include: down-the-hole drilling rigs, water well drilling rigs, jumbo drilling rigs, as well as supporting drill pipes, drill bits and other drilling tools.

2. Can you deliver the goods according to the agreed time?

Of course, we will sign a purchase contract with you. Fulfill the obligation to deliver within the specified period.

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