Details
Round head / Oval head / Countersunk head, Nominal size d=1.6 Cross Recessed No.=1,D Round=3, D Oval=3.2, H(H+K) Round=1.3, H(H+K) Count=0.95, H(H+K) Oval=1.35, Nominal size d=1.8 Cross Recessed No.=1,D Round=3.3, D Oval=3.6, H(H+K) Round=1.4, H(H+K) Count=1.05, H(H+K) Oval=1.45, Nominal size d=2.1 Cross Recessed No.=1,D Round=3.9, D Oval=4.2, H(H+K) Round=1.6, H(H+K) Count=1.25, H(H+K) Oval=1.75, L=6.3-13, Nominal size d=2.4 Cross Recessed No.=1,D Round=4.4, D Oval=4.8, H(H+K) Round=1.8, H(H+K) Count=1.4, H(H+K) Oval=2, L=6.3-20, Nominal size d=2.7 Cross Recessed No.=1,D Round=5, D Oval=5.4, H(H+K) Round=2, H(H+K) Count=1.55, H(H+K) Oval=2.25, L=10-20, Nominal size d=3.1 Cross Recessed No.=2,D Round=5.7, D Oval=6.2, H(H+K) Round=2.3, H(H+K) Count=1.8, H(H+K) Oval=2.6, L=10-25, Nominal size d=3.5 Cross Recessed No.=2,D Round=6.5, D Oval=7, H(H+K) Round=2.5, H(H+K) Count=2, H(H+K) Oval=2.8, L=13-40, Nominal size d=3.8 Cross Recessed No.=2,D Round=7, D Oval=7.6, H(H+K) Round=2.7, H(H+K) Count=2.15, H(H+K) Oval=3.05, L=13-40, Nominal size d=4.1 Cross Recessed No.=2,D Round=7.6, D Oval=8.2, H(H+K) Round=2.9, H(H+K) Count=2.35, H(H+K) Oval=3.35, L=16-50, Nominal size d=4.5 Cross Recessed No.=2,D Round=8.3, D Oval=9, H(H+K) Round=3.1, H(H+K) Count=2.55, H(H+K) Oval=3.65, L=16-63, Nominal size d=4.8 Cross Recessed No.=2,D Round=8.9, D Oval=9.6, H(H+K) Round=3.3, H(H+K) Count=2.7, H(H+K) Oval=3.8, L=20-70, Nominal size d=5.1 Cross Recessed No.=3,D Round=9.4, D Oval=10.2, H(H+K) Round=3.5, H(H+K) Count=2.85, H(H+K) Oval=4.05, L=20-70, Nominal size d=5.5 Cross Recessed No.=3,D Round=10.2, D Oval=11, H(H+K) Round=3.8, H(H+K) Count=3.05, H(H+K) Oval=4.35, L=20-80, Nominal size d=5.8 Cross Recessed No.=3,D Round=10.7, D Oval=11.6, H(H+K) Round=4, H(H+K) Count=3.2, H(H+K) Oval=4.6, L=22-80, Nominal size d=6.2 Cross Recessed No.=3,D Round=11.5, D Oval=12.4, H(H+K) Round=4.2, H(H+K) Count=3.5, H(H+K) Oval=4.9, L=25-80, Nominal size d=6.8 Cross Recessed No.=3,D Round=12.6, D Oval=13.6, H(H+K) Round=4.6, H(H+K) Count=3.8, H(H+K) Oval=5.4, L=25-100, Nominal size d=7.5 Cross Recessed No.=4,D Round=13.9, D Oval=15, H(H+K) Round=5, H(H+K) Count=4.15, H(H+K) Oval=5.95, L=25-100, Nominal size d=8 Cross Recessed No.=4,D Round=14.8, D Oval=16, H(H+K) Round=5.3, H(H+K) Count=4.4, H(H+K) Oval=6.2, L=32-100, Nominal size d=9.5 Cross Recessed No.=4,D Round=17.6, D Oval=19, H(H+K) Round=6.3, H(H+K) Count=5.15, H(H+K) Oval=7.45, L=32-100,