bids are invited for jack hammer rock drilling with chuck size h 22 x 108 mm, blows 2000 to 2200 bpm weight 24 to 25 kg air consumption 48 to 56 l oblique s inlet 3 oblique 4 inch swivel , washer for claw coupling 3 oblique 4 inch , pusher leg with attachment mtg clamp and brackets , lubricator size 3 oblique 4 inch , pneumatic air hose pipe size 3 oblique 4 inch dia inner 2 brand having conforming to is 911 1968446 1980 , integral drill rods 108 mm shank x 22 mm hex and length drilling rods size 32 mmx4000 mm , integral drill rods 108 mm shank x 22 mm hex and length drilling rods size 32 mmx1800 mm , integral drill rods 108 mm shank x 22 mm hex and length drilling rods size 32 mmx1200 mm , integral drill rods 108 mm shank x 22 mm hex and length drilling rods size 32 mmx600 mm , integral drill rods, 108 mm shank x 22 mm hex and length drilling rods size 32 mmx800 mm , integral drill rods 108 mm shank x 22 mm hex and length drilling rods size 32 mmx1600 mm , integral drill rods 108 mm shank x 22 mm hex and length drilling rods size 32 mmx3200 mm , integral drill rods 108 mm shank x 22 mm hex and length drilling rods size 32 mmx2400 mm , claw coupling male 20 mm , claw coupling female 20 mm , hose clamp 3 oblique 4 inch with nut and bolt total quantity : 4369