Tender For corrigendum : re-support work by approved portable hydraulic roof bolting machine suitable with all electrical accessories, wet drilling arrangement to drill 1.5/1.8 mtr. long hole in roof with 27mm dia drill bit for anchoring 20/22 mm... at umaria colliery
Tender For supply of spares of lock bolting machine consists of the following items: 1. hydraulic installationtool for placing 3/4 inch lock bolt along with nose assembly and hydraulic hose with 500 mm length tobe fitted with tool along with quick release coupling and suitable adapter 2. spare suitable for above 3/4
Tender For supply of spares of lock bolting machine consists of the following items: 1. hydraulic installation tool for placing 7/8 inch lock bolt along with nose assembly orione make, model: ol-d-2228lp or equivalent and hydraulic hose with 500mm length to be fitted with tool along with quick release coupling and suitable adapter 2. spare suitable for nose assembly 7/8