supply of alluminium alloy pop blind rivetalluminium alloy pop blind rivet,alluminium alloy pop blind rivet with steel mendral spacn rivet diameter 4.0mm hole siz e 4.1mm rivet length 12 mm grip range 6.1 to 8.1 head diameter 7.8mm head thickness 1.3 shear len gth 22.lbs and tensile strength 345 lbs to is :740/77 designation 19000 and steel portion to is: 1875/ 1992 class [2a] designation 25cb. as per specn. is :740/77 designation 19000, is: 1875/1992 class [2a ] designation 25cb. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitt ed: max 8 lacs ] ] => limited