The W Series Casing is flush jointed and has an integral pin and box thread and is flush on the outside and the inside.

Metric casing pipe tubes are available in diameter range from 66mm 76mm 86mm 101mm 116mm 131mm 146mm 152mm 168mm 194mm 203mm 219mm 232mm 254mm 272mm etc. They are manufactured from thin wall cold drawn steel tubes of a very high mechanical specification. The casing pipe tubes are flush jointed with a male thread at one end and a female thread at the other end (thread pitch 4 t.p.i.). 

Roschen offers SW casing pipe for use with SQ core system. SW casing pipe is intended for single use or situations where the SW casing pipe is left in the hole. SW casing is made from high quality alloy steel tubes.

Roschen offers SW casing pipe for use with SQ core system. SW casing pipe is intended for single use or situations where the SW casing pipe is left in the hole. SW casing pipe is made from high quality alloy steel tubes.