91430 SPS cover edited - Electronic Fasteners Inc

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91430 SPS cover edited - Electronic Fasteners Inc

THREAD STRESS AREASInch and MetricSTRESS AREAS FOR THREADED FASTENERS – INCHThreads Per in.Square InchesTensile Stress Area Per H-28Diameter (in.) Diameter (mm) UNRC UNRF UNRC UNRF Nominal Shank#0 0.06 1.52 – 80 – 0.00180 0.002827#1 0.07 1.85 64 72 0.00263 0.00278 0.004185#2 0.09 2.18 56 64 0.00370 0.00394 0.005809#3 0.10 2.51 48 56 0.00487 0.00523 0.007698#4 0.11 2.84 40 48 0.00604 0.00661 0.009852#5 0.13 3.18 40 44 0.00796 0.00830 0.012272#6 0.14 3.51 32 40 0.00909 0.01015 0.014957#8 0.16 4.17 32 36 0.0140 0.01474 0.021124#10 0.19 4.83 24 32 0.0175 0.0200 0.0283531/4 0.25 6.35 20 28 0.0318 0.0364 0.0490875/16 0.31 7.94 18 24 0.0524 0.0580 0.0766993/8 0.38 9.53 16 24 0.0775 0.0878 0.110457/16 0.44 11.11 14 20 0.1063 0.1187 0.150331/2 0.50 12.70 13 20 0.1419 0.1599 0.196359/16 0.56 14.29 12 18 0.182 0.203 0.255/8 0.63 15.88 11 18 0.226 0.256 0.313/4 0.75 19.05 10 16 0.334 0.373 0.441797/8 0.88 22.23 9 14 0.462 0.509 0.601321 1.00 25.40 8 12 0.606 0.663 0.791-1/8 1.13 28.58 7 12 0.763 0.856 0.994021-1/4 1.25 31.75 7 12 0.969 1.073 1.22721-3/8 1.38 34.93 6 12 1.155 1.315 1.48491-1/2 1.50 38.10 6 12 1.405 1.581 1.76711-3/4 1.75 44.45 5 12 1.90 2.19 2.40532 2.00 50.80 4-1/2 12 2.50 2.89 3.14162-1/4 2.25 57.15 4-1/2 12 3.25 3.69 3.97612-1/2 2.50 63.50 4 12 4.00 4.60 4.90882-3/4 2.75 69.85 4 12 4.93 5.59 5.93963 3.00 76.20 4 12 5.97 6.69 7.0686STRESS AREAS FOR THREADED FASTENERS – METRICNominal Dia. Thread Thread Tensile Nominaland Pitch Stress Area Shank Area(mm) (mm 2 ) (mm 2 )1.6 x 0.35 1.27 2.012.0 x 0.4 2.07 3.142.5 x 0.45 3.39 4.913.0 x 0.5 5.03 7.074.0 x 0.7 8.78 12.65.0 x 0.8 14.2 19.66.0 x 1 20.1 28.38.0 x 1.25 36.6 50.310 x 1.5 58.00 78.512 x 1.75 84.3 11314 x 2 115 15416 x 2 157 201Nominal Dia. Thread Thread Tensile Nominaland Pitch Stress Area Shank Area(mm) (mm 2 ) (mm 2 )18 x 2.5 192 25420 x 2.5 245 31422 x 2.5 303 38024 x 3 353 45227 x 3 459 57330 x 3.5 561 70733 x 3.5 694 85536 x 4 817 101842 x 4.5 1120 138548 x 5 1470 181085

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