material supply material supply for mgnregs works-1 stone aggregate ( singlesize ) 20mm nominal size 2 stone aggregate ( singlesize ) 40mm nominal size 3 stone aggregate ( singlesize ) 10mm nominal size 4 coarse sand ( zone iii ) 5 portland cement 6 solid block of size 40x20x15cm 7 miled steel tubes hot finished welded type 8 red oxide zink chormate primer 9 wallform pannel 1250x500mm 10 corner angle 45x45x45mm 1.5 metre long 11 100mm channel shoulder 2.5m long 12 double clip 13 single clip 14 m s tube 40mm dia 15 gi trafford profile sheet 0.35mm thick 16 bitumin washer 17 gi limpet washer 18 galvaniised steel j or l hooks 8 mm dia 19 galvaniised steel nuts 6 mm dia and 25 mm long round head with slots 20 fine sand ( zone iv )