Tender For supply of chaser head twist drill bit chaser planning chaser vice grinding wheel - chaser head complete set for m 20 chaser machine , twist drill bit 20.4mm,hss , chaser planning for m 20 chaser machine , chaser threading for m 20 chaser machine , chaser vice,50mm , grinding wheel 8 inch x 1.5 inch x 0.75 inch , g.i.wire netting mesh 2 inch x 2 inch ,1.5mtr width x 5mtr length,made of galvanized steel wire 10swg,kintted without welding for use in underground roof support