High Pressure Down The Hole Hammer 10 Inch With Thread API 4 1/2" 254-311mm

Application                                                                                                                                                         

With professional manufacturing experience in DTH hammer production, our factory can supply you with high pressure and medium to low pressure DTH hammers. It strictly matches with API standard and other Chinese industry standards.It is durable for being produced with advanced craftwork and good material.

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 multi—head thread connecting chuck and cylinder of hammer.

5. Interchangeable with DTH bit and drill pipe

Characteristics                                                                                                                                                  

Hammer shank available:

1. BR shank series: BR1, BR2, BR3;
2. Cop shank series: Cop32, Cop34, Cop44, Cop54, Cop64, Cop84;
3. DHD shank series: DHD3.5, DHD340,DHD350, DHD360, DHD380;
4. SD shank series: SD4, SD5, SD6, SD8, SD10, SD12, SD15, SD18;
5. Mission shank series: Mission40, Mission50, Mission 60, Mission 80;
6. QL shank series: QL30, QL40, QL50, QL60, QL80;
7. NUMA shank series: NUMA120, NUMA125, NUMA180, NUMA240;
Other hammer shanks can be available according to customer's drawing or samples.

Specification                                                                                                                                                     

HSD10 DTH Hammer
		Item Description		Weight	Parts No.
		1.Top Sub		59	HSD1001
		2.O-Ring of Top Sub		0.03	HSD1002
		3.Breakout Ring		0.3	HSD1003
		4.Check Valve		1.4	HSD1004
		5.Spring		0.3	HSD1005
		6.Compression Buffer		0.6	HSD1006
		7.Air Distributor		11.5	HSD1007
		8.Internal Cylinder		11	HSD1008
		9.Piston		62	HSD1009
		10.External Cylinder		110	HSD1010
		11.O-Ring of stop ring		0.03	HSD1011
		12.Stop Ring		1.6	HSD1012
		13.Guided Sleeve		4.5	HSD1013
		14.Breakout Ring		0.3	HSD1014
		15.Drive Chuck		24	HSD1015
		16.Drill Bit		115	HSD1016
According to customer's requirement,the top sub can be made into two spanners,and put protection buttons,An air controllinghole can be drilled on the check valve to provide more efficient cuttings discharge.
Technical Data
Length (Less bit)	Weight (Less bit)	External Diameter	Bit Shank	Hole Range	Connection Thread
1502mm	290.0kg	226mm	SD10	254-311mm	API 4-1/2''REG API 6-5/8''REG
Working Pressure	Impact rate at 0.5 Mpa	Recommended Rotation Speed		Air Consumption
1.0-2.5Mpa	18HZ	15-25r/min		1.0Mpa	1.8Mpa	2.4Mpa
				22m3/min	40m3/min	55m3/min

Packing& Delivery                                                                                                                                       ​