supply of aluminium alloy pop blind rivetaluminium alloy pop blind rivet,alluminium alloy pop blind rivet with steel mendral rivet diameter 4.0 mm, hole size 4.1 mm, rivet length 12 mm, grip range 6.1 to 8.1 mm, head diameter 7.8 mm as pe r drg.no. steel mendral rivet diameter 4.0 mm, rivet length 12 mm, grip range 6.1 to 8.1 m m, head diameter 7.8 mm , packing instruction: pi042 ver.01 [ warranty period: 30 months after the date of delivery ] , aluminium alloy pop blind rivet with steel mendral 4x19 mm as per drg.no. ste el mendral 4x19 mm, rivet diameter-4 mm, hole size-4.1 mm, rivet length-19 mm ,packing in struction : pi042 ver. 01 [ warranty period: 30 months after the date of delivery ]