Specifications

4 inch eccentric overburden equipment:
1. 10 years manufacturing experience
2. Certificate: ISO9001:2008
3. Material: Carbi

4 inch nd45 nod115 eccentric overburden drilling equipment :

 

	1	Casing Tube	Maximum O.D.: 142mm Minimum O.D.: 128mm
	2	Drill Pipe	Connection Thread: API2 3/8”Reg O.D.: 76mm Wrench Flats: 65mm
	3	Guide Sleeve	Effective length: 174mm
	4	DTH-Hammer	ND45, Cop44, NSD4, DHD340A, NQL40, NM4
	5	Casing Shoe	L3=76mm L4=55mm D3=127.5mm D4=117mm
	6	Guide Device	L1=48mm L2=136mm D1=115mm D2=126mm
	7	Reamer	D5=114mm   L5=89mm Reaming Diameter: 152mm Reamer has 5*14mm buttons
	8	Pilot Bit	D6=114mm L6=67mm Gauge button: 8*14mm Front button:6*12mm

 

 

 

 

 

 

 

down the hole hammer | martillo de fondo | o martelo buraco | marteau fond de trou | Imlochhammer | martello | a lyukba kalapács | alasuppovasara | síos an poll casúr | ned i hullet hammer | ned i hullet hammer

down the hole bit | por el poco agujero | baixo o bit buraco | vers le bas le bit de trou | in das Loch Bit | il bit del foro | a lyukba bit | síos an poll giotán | ned i hullet bit | ned i hullet bit