supply of aluminum alloy pop blind rivet etc. , aluminum alloy pop blind rivet with steel mendral specn rivet diameter 4.0 mm (+00, -0.1) , hole size 4.1 mm , rivet length 12 mm +/-0.2, grip range 6.1 to 8.1 , head diameter 7.8 mm, head thicknes s1.3, tensile strength min. 130 lbs & shear strength min. 90 lbs alu. % - 99 min. to is: 740/77 designation 1 9000 and steel portion to is: 1875/1992 class (2a) designation 14c6 class -1 length 45 mm (min) overall. a s per specn. 740/77 steel portion to is.1875/92 class 2/a designation 25 c8 [ warranty period: 30 mon ths after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]