supply of various material / items required for different snow clearance machines of mechanical workshop sub- division khanabal.-1.02 drill bit 6 x 150mm. 1.03 drill bit 6 x 150mm. 1.04 drill bit 6 x 150mm. 1.05 transparent pipe pvc ( 6mm dia., 15meter long pressure > 350 psi ) 1.06 clamps for pvc pipe 6mm dia. 1.07 air pressure pipe 4mm dia., 5meter long and corosponding coupler ( 5 nos. ) 1.08 air pressure pipe 6mm dia., 5meter long and corosponding coupler ( 5 nos. ) 1.09 air pressure pipe 8mm dia., 5meter long and corosponding coupler ( 5 nos. ) 1.1 air pressure pipe 12mm dia., 5meter long and corosponding coupler ( 5 nos. )