bids are invited for boq total quantity : 1--1 800 x 34 drill rod 800x34 mm make sandvik 40 nos 2 1200 x 33 drill rod 1200x33mm make sandvik 40 nos 3 1600 x 33 drill rod 1600x33mm make sandvik 40 nos 4 1800 x 33 drill rod 1800x33mm make sandvik 40 nos 5 2400 x 32 drill rod 2400x32mm make sandvik 40 nos 6 air line air line lubricator make cp 4 nos 7 air hose air hose clamp 20mm dia with washer 140 nos 8 hose adopter hose pipe connector 3 / 4 75 nos 9 air hose coupling air hose pipe coupling 20mm male 50 nos 10 air hose pipe air hose pipe coupling 20mm female 50 nos 11 adopter adopter hose pipe 20 nos 12 air hose pipe pneumatic air hose pipe 20mm dia 600 mtr 13 pusher leg pusher leg make cp 6 nos 14 jack hammer jack hammer make cp 8 nos 15 claw coupling male claw coupling male 20mm 40 nos 16 claw coupling female claw coupling female 20mm 40 nos 17 adopter hose pipe adaptor hose pipe 20 nos 18 washer washer packing for coupling 100 nos 19 joint nipple joint nipple 3 / 4