... )Nominalallowed toleranceNominal allowed toleranceSFFBN4 5 6+0.480100+5.07 8 9+0.580SF×BN10 13 15 16 18+1.1001000+3.6020 25 ... 30+1.30035 45 50+1.60055,60,65,70 ... ,7580,85,90,100+2.0001000+2.50110,120,130140,150+2.500180,200,250270,300+3.00300+2.0 ...