Tender For corrigendum : roof bolting in ug by hiring of dgms approved portable hydraulic roof bolting machine with wet drilling arrangement drill 1.50mtr/1.80mtr length hole with 27mm dia drill bit for anchoring 20/22 mm dia roof bolting with resin... at umaria colliery
Tender For supply , installation & commissioning of huck bolting machine with power pack and tool size s - 1/2",3/4", 5/8", 7/8" as per specification enclosed. make/brand: crimp well, avlock ,orion,stanely , avdel or equivalent [ warranty period: 24 months after the date of delivery ]