DTH-RoX NS 139,7/10, Casing Extension, Down the Hole Hammer, Non-Stop

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Product info

Non-Stop system for down the hole hammer

Robit® Non-Stop system is an advanced casing system that start to drill with a casing and then to continues beyond it without tool changes. No need to pull out the pilot bit and the drill string to replace it by a conventional down the hole bit. A single operation disconnects the pilot and the ring from the casing. The drilling can be continued free from the casing tube without losing the drilling diameter.

Casing OD (mm)	139,7
Casing OD (in.)	5 ½
Casing Max Wall (mm)	10
Casing Max Wall (in.)	0.394
Ring bit ID (mm)	104
Ring bit ID (in.)	4.094
Ring bit OD (mm)	150
Ring bit OD (in.)	5.906
Pilot bit OD (mm)	116
Pilot bit OD (in.)	4.567
Hammer	4”
Product number	03-000-139-0039

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Compatible products

DTH-RoX NS 139,7/10

Pilot, Down the Hole Hammer, Non-Stop

DTH-RoX NS 139,7/10

Ring, Down the Hole Hammer, Non-Stop

Related products

	Casing OD	Casing OD	Casing Max Wall	Casing Max Wall	Ring bit ID	Ring bit ID	Ring bit OD	Ring bit OD	Pilot bit OD	Pilot bit OD	Hammer	Product number
Order code	mm	in.	mm	in.	mm	in.	mm	in.	mm	in.
DTH-RoX NS 114,3/10	114,3	4 ½	10	0.394	82	3.228	124	4.882	92,5	3.642	3”	03-000-114-2380
DTH-RoX NS 152,4/12,7	152,4	6	12,7	0.500	114	4.488	160	6.299	126	4.961	4”	03-000-152-0040
DTH-RoX NS 177,8/10	177,8	7	10	0.394	142	5.591	191	7.520	152	5.984	5”	03-000-177-0041
DTH-RoX NS 219,1/6	219,1	8 ⅝	6	0.236	186	7.323	233	9.173	197	7.756	6”	03-000-219-4535