supply of alluminium alloy pop blind rivet with steel mendral spacn rivet diameter 4.0mm hole size 4.1mm rivet length 12 mm grip range 6.1 to 8.1 headalluminium alloy pop blind rivet with steel mendral spacn rivet diameter 4.0mm hole size 4.1mm rivet length 12 mm grip range 6.1 to 8.1 head,alluminium alloy pop blind rivet with steel mendral spacn rivet diameter 4.0mm hole size 4.1mm riv et length 12 mm grip range 6.1 to 8.1 head diameter 7.8mm head thickness 1.3 shear length 22.lbs and tensile s trength 345 lbs to is :740/77 designation 19000 and steel portion to is: 1875/1992 class [2a] designation 25cb. s pecn: is :740/77 designation 19000, is: 1875/1992 class [2a] designation 25cb. [ warranty period: 30 months af ter the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ] => limited