美制航空航天螺纹（UNJ)系列钢丝螺套规格、型式尺寸及安装参数表（3－2）
规格 公称直径 螺距         公称长度 钻孔深度 攻丝深度 底孔直径(mm)
d(mm)      p(mm)      xd L(mm)      L1(mm) L5(mm) 切削丝锥 挤压丝锥
min   min   min   max min   max
    0.5000-16UNJ 12.700 1.59 1d 12.7 19.84 18.26 13.02 13.17 13.92 14.08
12.700 1.59 1.5d 19.1 26.19 24.61 13.02 13.17 13.92 14.08
12.700 1.59 2d 25.4 32.54 30.96 13.02 13.17 13.92 14.08
12.700 1.59 2.5d 31.8 38.89 37.31 13.02 13.17 13.92 14.08
12.700 1.59 3d 38.1 45.24 43.66 13.02 13.17 13.92 14.08
12.700 1.59 3.5d 44.5 51.59 50.01 13.02 13.17 13.92 14.08
12.700 1.59 4d 50.8 57.94 56.36 13.02 13.17 13.92 14.08
  0.5000-20UNJF 12.700 1.27 1d 12.7 18.42 17.15 12.95 13.08 13.68 13.80
12.700 1.27 1.5d 19.1 24.77 23.50 12.95 13.08 13.68 13.80
12.700 1.27 2d 25.4 31.12 29.85 12.95 13.08 13.68 13.80
12.700 1.27 2.5d 31.8 37.47 36.20 12.95 13.08 13.68 13.80
12.700 1.27 3d 38.1 43.82 42.55 12.95 13.08 13.68 13.80
12.700 1.27 3.5d 44.5 50.17 48.90 12.95 13.08 13.68 13.80
12.700 1.27 4d 50.8 56.52 55.25 12.95 13.08 13.68 13.80
 0.5000-28UNJEF 12.700 0.91 1d 12.7 16.78 15.88 12.88 12.97 13.40 13.49
12.700 0.91 1.5d 19.1 23.13 22.23 12.88 12.97 13.40 13.49
12.700 0.91 2d 25.4 29.48 28.58 12.88 12.97 13.40 13.49
12.700 0.91 2.5d 31.8 35.83 34.93 12.88 12.97 13.40 13.49
12.700 0.91 3d 38.1 42.18 41.28 12.88 12.97 13.40 13.49
12.700 0.91 3.5d 44.5 48.53 47.63 12.88 12.97 13.40 13.49
12.700 0.91 4d 50.8 54.88 53.98 12.88 12.97 13.40 13.49
 0.5625-12UNJC 14.288 2.12 1d 14.3 23.81 21.70 14.71 14.92 15.92 16.13
14.288 2.12 1.5d 21.4 30.96 28.84 14.71 14.92 15.92 16.13
14.288 2.12 2d 28.6 38.10 35.98 14.71 14.92 15.92 16.13
14.288 2.12 2.5d 35.7 45.24 43.13 14.71 14.92 15.92 16.13
14.288 2.12 3d 42.9 52.39 50.27 14.71 14.92 15.92 16.13
14.288 2.12 3.5d 50.0 59.53 57.41 14.71 14.92 15.92 16.13
14.288 2.12 4d 57.2 66.68 64.56 14.71 14.92 15.92 16.13
 0.5625-16UNJ 14.288 1.59 1d 14.3 21.43 19.84 14.60 14.76 15.51 15.67
14.288 1.59 1.5d 21.4 28.58 26.99 14.60 14.76 15.51 15.67
14.288 1.59 2d 28.6 35.72 34.13 14.60 14.76 15.51 15.67
14.288 1.59 2.5d 35.7 42.86 41.28 14.60 14.76 15.51 15.67
14.288 1.59 3d 42.9 50.01 48.42 14.60 14.76 15.51 15.67
14.288 1.59 3.5d 50.0 57.15 55.56 14.60 14.76 15.51 15.67
14.288 1.59 4d 57.2 64.29 62.71 14.60 14.76 15.51 15.67
 0.5625-18UNJF 14.288 1.41 1d 14.3 20.64 19.23 14.57 14.71 15.37 15.51
14.288 1.41 1.5d 21.4 27.78 26.37 14.57 14.71 15.37 15.51
14.288 1.41 2d 28.6 34.93 33.51 14.57 14.71 15.37 15.51
14.288 1.41 2.5d 35.7 42.07 40.66 14.57 14.71 15.37 15.51
14.288 1.41 3d 42.9 49.21 47.80 14.57 14.71 15.37 15.51
14.288 1.41 3.5d 50.0 56.36 54.95 14.57 14.71 15.37 15.51
14.288 1.41 4d 57.2 63.50 62.09 14.57 14.71 15.37 15.51
 0.5625-24UNJEF 14.288 1.06 1d 14.3 19.05 17.99 14.50 14.60 15.10 15.21
14.288 1.06 1.5d 21.4 26.19 25.14 14.50 14.60 15.10 15.21
14.288 1.06 2d 28.6 33.34 32.28 14.50 14.60 15.10 15.21
14.288 1.06 2.5d 35.7 40.48 39.42 14.50 14.60 15.10 15.21
14.288 1.06 3d 42.9 47.63 46.57 14.50 14.60 15.10 15.21
14.288 1.06 3.5d 50.0 54.77 53.71 14.50 14.60 15.10 15.21
14.288 1.06 4d 57.2 61.91 60.85 14.50 14.60 15.10 15.21
 0.6250-11UNJC 15.875 2.31 1d 15.9 26.27 23.96 16.33 16.57 17.65 17.88
15.875 2.31 1.5d 23.8 34.20 31.89 16.33 16.57 17.65 17.88
15.875 2.31 2d 31.8 42.14 39.83 16.33 16.57 17.65 17.88
15.875 2.31 2.5d 39.7 50.08 47.77 16.33 16.57 17.65 17.88
15.875 2.31 3d 47.6 58.02 55.71 16.33 16.57 17.65 17.88
15.875 2.31 3.5d 55.6 65.95 63.64 16.33 16.57 17.65 17.88
15.875 2.31 4d 63.5 73.89 71.58 16.33 16.57 17.65 17.88
 0.6250-12UNJ 15.875 2.12 1d 15.9 25.40 23.28 16.30 16.51 17.50 17.71
15.875 2.12 1.5d 23.8 33.34 31.22 16.30 16.51 17.50 17.71
15.875 2.12 2d 31.8 41.28 39.16 16.30 16.51 17.50 17.71
15.875 2.12 2.5d 39.7 49.21 47.10 16.30 16.51 17.50 17.71
15.875 2.12 3d 47.6 57.15 55.03 16.30 16.51 17.50 17.71
15.875 2.12 3.5d 55.6 65.09 62.97 16.30 16.51 17.50 17.71
15.875 2.12 4d 63.5 73.03 70.91 16.30 16.51 17.50 17.71
 0.6250-16UNJ 15.875 1.59 1d 15.9 23.02 21.43 16.19 16.35 17.10 17.25
15.875 1.59 1.5d 23.8 30.96 29.37 16.19 16.35 17.10 17.25
15.875 1.59 2d 31.8 38.89 37.31 16.19 16.35 17.10 17.25
15.875 1.59 2.5d 39.7 46.83 45.24 16.19 16.35 17.10 17.25
15.875 1.59 3d 47.6 54.77 53.18 16.19 16.35 17.10 17.25
15.875 1.59 3.5d 55.6 62.71 61.12 16.19 16.35 17.10 17.25
15.875 1.59 4d 63.5 70.64 69.06 16.19 16.35 17.10 17.25
 0.6250-18UNJF 15.875 1.41 1d 15.9 22.23 20.81 16.16 16.30 16.96 17.10
15.875 1.41 1.5d 23.8 30.16 28.75 16.16 16.30 16.96 17.10
15.875 1.41 2d 31.8 38.10 36.69 16.16 16.30 16.96 17.10
15.875 1.41 2.5d 39.7 46.04 44.63 16.16 16.30 16.96 17.10
15.875 1.41 3d 47.6 53.98 52.56 16.16 16.30 16.96 17.10
15.875 1.41 3.5d 55.6 61.91 60.50 16.16 16.30 16.96 17.10
15.875 1.41 4d 63.5 69.85 68.44 16.16 16.30 16.96 17.10
 0.6875-24UNJEF 17.463 1.06 1d 17.5 22.23 21.17 17.67 17.78 18.28 18.38
17.463 1.06 1.5d 26.2 30.96 29.90 17.67 17.78 18.28 18.38
17.463 1.06 2d 34.9 39.69 38.63 17.67 17.78 18.28 18.38
17.463 1.06 2.5d 43.7 48.42 47.36 17.67 17.78 18.28 18.38
17.463 1.06 3d 52.4 57.15 56.09 17.67 17.78 18.28 18.38
17.463 1.06 3.5d 61.1 65.88 64.82 17.67 17.78 18.28 18.38
17.463 1.06 4d 69.9 74.61 73.55 17.67 17.78 18.28 18.38
 0.7500-10UNJC 19.050 2.54 1d 19.1 30.48 27.94 19.56 19.81 21.00 21.26
19.050 2.54 1.5d 28.6 40.01 37.47 19.56 19.81 21.00 21.26
19.050 2.54 2d 38.1 49.53 46.99 19.56 19.81 21.00 21.26
19.050 2.54 2.5d 47.6 59.06 56.52 19.56 19.81 21.00 21.26
19.050 2.54 3d 57.2 68.58 66.04 19.56 19.81 21.00 21.26
19.050 2.54 3.5d 66.7 78.11 75.57 19.56 19.81 21.00 21.26
19.050 2.54 4d 76.2 87.63 85.09 19.56 19.81 21.00 21.26
  0.7500-12UNJ 19.050 2.12 1d 19.1 28.58 26.46 19.47 19.68 20.68 20.89
19.050 2.12 1.5d 28.6 38.10 35.98 19.47 19.68 20.68 20.89
19.050 2.12 2d 38.1 47.63 45.51 19.47 19.68 20.68 20.89
19.050 2.12 2.5d 47.6 57.15 55.03 19.47 19.68 20.68 20.89
19.050 2.12 3d 57.2 66.68 64.56 19.47 19.68 20.68 20.89
19.050 2.12 3.5d 66.7 76.20 74.08 19.47 19.68 20.68 20.89
19.050 2.12 4d 76.2 85.73 83.61 19.47 19.68 20.68 20.89
 0.7500-16UNJF 19.050 1.59 1d 19.1 26.19 24.61 19.37 19.52 20.27 20.43
19.050 1.59 1.5d 28.6 35.72 34.13 19.37 19.52 20.27 20.43
19.050 1.59 2d 38.1 45.24 43.66