紧固件(螺丝等)标准参数手册1.pdf

1、目录/页码 Shing Hing Industrial Limited - FASTENERS HANDBOOK4http:/www.shing-.hkTel:(852)2896 0391 Fax:(852)2897 0357PitchPDesignation of screw threadsInternal threadMajor diameter D Major diameter D2External threadMajor diameter d Major diameter d2Col.1JIS B0205 unit : mmCol.3Col.2M1 - - 0.25 1.000 0.8

2、38 - M1.1 - 0.25 1.100 0.938M1.2 - - 0.25 1.200 1.038- M1.4 - 0.3 1.400 1.205M1.6 - 0.35 1.600 1.373- M1.8 - 0.35 1.800 1.573M2 - 0.4 2.000 1.740 - M2.2 - 0.45 2.200 1.908 M2.5 - - 0.45 2.500 2.208 M3 - - 0.5 3.000 2.675- M3.5 - 0.6 3.500 3.110M4 - - 0.7 4.000 3.545 - M4.5 - 0.75 4.500 4.013M5 - - 0

3、.8 5.000 4.480M6 - - 1 6.000 5.350 - - M7 1 7.000 6.350 M8 - - 1.25 8.000 7.188- - M 9 1.25 9.000 8.188M10 - - 1.5 10.000 9.026- - M 11 1.5 11.000 10.026M12 - - 1.75 12.000 10.863- M14 - 2 14.000 12.701M16 - - 2 16.000 14.701- M18 - 2.5 18.000 16.376M20 - - 2.5 20.000 18.376Shing Hing Industrial Lim

4、ited - FASTENERS HANDBOOK5http:/www.shing-.hkTel:(852)2896 0391 Fax:(852)2897 0357Designation ofscrew threadsPitchPM 1 x 0.2 0.2 1.000 0.870M 1.1 x 0.2 0.2 1.100 0.970M 1.2 x 0.2 0.2 1.200 1.070M 1.4 x 0.2 0.2 1.400 1.270M 1.6 x 0.2 0.2 1.600 1.470M 1.8 x 0.2 0.2 1.800 1.670M 2 x 0.25 0.25 2.000 1.8

5、38M 2.2 x 0.25 0.25 2.200 2.038M 2.5 x 0.35 0.35 2.500 2.273M 3 x 0.35 0.35 3.000 2.773M 3.5 x 0.35 0.35 3.500 3.273M 4 x 0.5 0.5 4.000 3.675M 4.5 x 0.5 0.5 4.500 4.175M 5 x 0.5 0.5 5.000 4.675M 5.5 x 0.5 0.5 5.500 5.175M 6 x 0.75 0.75 6.000 5.513M 7 x 0.75 0.75 7.000 6.513JIS B0207 unit : mmInterna

6、l threadMajor diameter D Major diameter D2External threadMajor diameter d Major diameter d2To be continuedShing Hing Industrial Limited - FASTENERS HANDBOOK6http:/www.shing-.hkTel:(852)2896 0391 Fax:(852)2897 0357Internal threadMajor diameter D Pitch diameter D2 External thread Designation ofscrew t

7、hreadsPitchPM 8 x 1 1 8.000 7.350M 8 x 0.75 0.75 8.000 7.513M 9 x 1 1 9.000 8.350M 9 x 0.75 0.75 9.000 8.513M 10 x 1.25 1.25 10.000 9.188 M 10 x 1 1 10.000 9.350M 10 x 0.75 0.75 10.000 9.513M 11 x 1 1 11.000 10.350M 11 x 0.75 0.75 11.000 10.513M 12 x 1.5 1.5 12.000 11.026M 12 x 1.25 1.25 12.000 11.1

8、88M 12 x 1 1 12.000 11.350M 14 x 1.5 1.5 14.000 13.026M 14 x 1.25 1.25 14.000 13.188M 14 x 1 1 14.000 13.350M 15 x 1.5 1.5 15.000 14.026M 15 x 1 1 15.000 14.350M 16 x 1.5 1.5 16.000 15.026M 16 x 1 1 16.000 15.350M 17 x 1.5 1.5 17.000 16.026M 17 x 1 1 17.000 16.350M 18 x 2 2 18.000 16.701M 18 x 1.5 1

9、.5 18.000 17.026M 18 x 1 1 18.000 17.350M 20 x 2 2 20.000 18.701M 20 x 1.5 1.5 20.000 19.026M 20 x 1 1 20.000 19.350JIS B0207 unit : mmMajor diameter d Pitch diameter d2 Shing Hing Industrial Limited - FASTENERS HANDBOOK7http:/www.shing-.hkTel:(852)2896 0391 Fax:(852)2897 0357Size PitchNO : 1 64 1.8

10、38 1.743 - - -NO : 2 56 2.169 2.066 64 2.169 2.073NO : 3 48 2.496 2.383 56 2.496 2.393NO : 4 40 2.824 2.695 48 2.827 2.713NO : 5 40 3.154 3.026 44 3.157 3.036NO : 6 32 3.484 3.333 40 3.484 3.356NO : 8 32 4.142 3.991 36 4.145 4.006NO : 10 24 4.800 4.618 32 4.803 4.651NO : 12 24 5.461 5.279 28 5.461 5

11、.2961/4 20 6.322 6.117 28 6.324 6.165/16 18 7.907 7.687 24 7.909 7.7273/8 16 9.491 9.254 24 9.497 9.3157/16 14 11.076 10.816 20 11.079 10.8741/2 13 12.661 12.386 20 12.666 12.4629/16 12 14.246 13.958 18 14.251 14.0315/8 11 15.834 15.528 18 15.839 15.6193/4 10 19.004 18.677 16 19.011 18.7747/8 9 22.1

12、76 21.824 14 22.184 21.923ANSIunit : mmPitchFineMajor DiameterMax MinCoarseMajor DiameterMax Minhttp:/www.shing-.hkTel:(852)2896 0391 Fax:(852)2897 0357Shing Hing Industrial Limited - FASTENERS HANDBOOK8SizeType of ThreadABB&BT ABB&BT ABB&BT ABB&BT A A AM1.4 M1.6 M1.7 M2 M2.3 M2.5 M2.6 M3ABB&BT 3.5

13、4 4.5 5 6A AType A, Type B, Type AB, Type BT Screw JIS B1007unit : mmThread Per in T.P.I. 18 20 16 18 14 16 12 16 10 14SizeType of Thread1.4 1.6 1.7 2 2.3 2.5 2.6 3BABB&BT ABB&BT ABB&BT ABB&BT B B A AABB&BT 自攻螺絲 http:/www.shing-.hkTel:(852)2896 0391 Fax:(852)2897 0357Shing Hing Industrial Limited -

14、FASTENERS HANDBOOK9Major Max. 2.24 2.57 2.90 3.30 3.58 3.53 4.01 3.91 Dia d Min. 2.13 2.46 2.79 3.20 3.46 3.43 3.86 3.79 Minor Max. 1.63 1.91 2.11 2.18 2.41 2.39 2.59 2.64 2.90 2.92 Dia d1 Min. 1.52 1.80 1.98 2.08 2.29 2.44 2.52 2.74 2.77Type A, Type B, Type AB, Type BT ScrewSizeType of ThreadABB&BT

15、 ABB&BT ABB&BT ABB&BT A AABB&BT #2A A#3 #4 #5 #6 #7ABB&BT Thread Per in T.P.I. 32 28 24 20 18 20 16 19SizeType of ThreadABB&BT ABB&BT ABB&BT #8A A#10#12AMajor Max. 4.27 4.22 4.93 4.80 5.61 5.46Dia d Min. 4.12 4.09 4.78 4.65 5.46 5.31 Minor Max. 3.12 3.10 3.38 3.58 4.11 4.17 Dia d1 Min. 2.95 3.20 3.4

16、3 3.94 3.99Thread Per in T.P.I. 15 18 12 16 11 14ANSI 18.6.4unit : mm自攻螺絲 http:/www.shing-.hkTel:(852)2896 0391 Fax:(852)2897 0357Shing Hing Industrial Limited - FASTENERS HANDBOOK10PitchScrew Body DimensionPoint Taper LengthYD Max Min Max Min Max Min Max Min Max MinTorquekgf cmTensile loadkgfSizeTa

17、ptite S type Drilling Hole Diameter (Steel) 鑽孔徑(鐵)unit : mmTaptite S typeMajor DiameterC Cpyunit : mmCp1.2 1.6 2 2.6 3.2 4SizeThickness0.8 1.0三角自攻S型，適用於金屬板三角機牙螺絲2 0.4 2.04 1.96 1.96 1.88 1.58 1.44 1.8 1.4 4.4 1402.3 0.4 2.34 2.26 2.26 2.18 1.82 1.68 1.8 1.4 7.7 2002.5 0.45 2.55 2.47 2.46 2.38 1.96 1

18、.79 2.1 1.5 9.7 2302.6 0.45 2.65 2.57 2.56 2.48 2.05 1.88 2.1 1.5 12 2503 0.5 3.05 2.97 2.95 2.87 2.44 2.24 2.3 1.7 18 3403.5 0.6 3.56 3.48 3.44 3.36 2.83 2.63 2.7 2.1 28 4604 0.7 4.07 3.99 3.93 3.85 3.27 3.07 3.2 2.4 42 5905 0.8 5.08 5.00 4.92 4.84 4.17 3.87 3.6 2.8 88 9606 1.0 6.10 6.00 5.90 5.80

19、4.97 4.44 4.5 3.5 147 13508 1.25 8.13 8.03 7.88 7.78 6.43 6.04 5.7 4.3 369 24702 1.7 1.7 1.7 1.7 1.75 - - - 2.3 2.0 2.0 2.0 2.0 2.0 - - - 2.5 2.2 2.2 2.2 2.2 2.2 2.25 - -2.6 2.3 2.3 2.3 2.3 2.3 2.35 2.35 -3 2.65 2.7 2.7 2.7 2.75 2.75 2.8 2.83.5 3.1 3.1 3.1 3.15 3.15 3.2 3.2 3.24 3.6 3.6 3.65 3.65 3.

20、7 3.7 3.7 3.75 - 4.6 4.6 4.65 4.65 4.65 4.7 4.76 - 5.4 5.5 5.5 5.5 5.55 5.55 5.68 - 7.4 7.4 7.4 7.4 7.5 7.5 7.5http:/www.shing-.hkTel:(852)2896 0391 Fax:(852)2897 0357Shing Hing Industrial Limited - FASTENERS HANDBOOK11Screw Body Dimension PointDMax Min Max MinNominal ScrewSizeCpMaxCunit : mmCpy0#-8

21、0 1.56 1.48 1.49 1.42 0.941#-64 1.89 1.82 1.82 1.74 1.50#2-56 2.22 2.12 2.13 2.03 1.78#3-48 2.57 2.46 2.46 2.36 2.06#4-40 2.91 2.81 2.78 2.68 2.27#5-40 3.24 3.14 3.11 3.01 2.62#6-32 3.58 3.43 3.43 3.28 2.82#8-32 4.24 4.09 4.09 3.94 3.48#10-24 4.93 4.76 4.72 4.57 3.89#10-32 4.90 4.75 4.75 4.60 4.14#1

22、2-24 5.59 5.44 5.38 5.23 4.551/4”-20 6.48 6.32 6.22 6.07 5.235/16”-18 8.08 7.92 7.80 7.65 6.713/8”-16 9.68 9.53 9.36 9.21 8.13Taptite S type 三角自攻S型，適用於金屬板http:/www.shing-.hkTel:(852)2896 0391 Fax:(852)2897 0357Shing Hing Industrial Limited - FASTENERS HANDBOOK12unit : mm1.0 1.2 1.6 2.0 2.6 3.2SizeTh

23、ickness0.6 0.8PitchScrew Body Dimension Point Taper LengthyDC Max Min Max Min Max Min Max Min Max MinTensile loadkgfTorquekgf cmSizeCpTaptite B Type Major DiameterCpyunit : mm三角自攻B型三角自攻B型2 1.55 1.6 1.6 1.6 1.65 1.65 1.7 - 2.3 1.9 1.9 1.9 1.95 1.95 1.95 2.0 2.0 2.6 2.15 2.15 2.2 2.2 2.2 2.25 2.25 2.3

24、 3 2.65 2.65 2.65 2.7 2.7 2.7 2.7 2.753.5 3.05 3.05 3.05 3.1 3.1 3.1 3.15 3.154 3.6 3.6 3.6 3.6 3.65 3.65 3.65 3.655 - 4.5 4.5 4.5 4.55 4.55 4.6 4.66 - - 5.3 5.3 5.4 5.4 5.5 5.58 - - 7.3 7.3 7.3 7.3 7.4 7.42 40 2.04 1.96 1.96 1.88 1.46 1.26 1.6 1.2 4.1 1202.3 32 2.34 2.26 2.26 2.18 1.76 1.56 2.0 1.5

25、 6.1 1502.6 28 2.64 2.56 2.55 2.47 1.94 1.74 2.3 1.8 9.9 2103 24 3.05 2.95 2.95 2.85 2.25 2.05 2.7 2.1 15 2803.5 20 3.55 3.45 3.46 3.34 2.65 2.45 3.2 2.5 25 3904 18 4.05 3.95 3.91 3.81 3.00 2.80 3.6 2.8 35 4805 16 5.06 4.94 4.90 4.78 3.74 3.44 4.0 3.1 66 7306 14 6.08 5.92 5.88 5.72 4.52 4.12 4.6 3.6

26、 117 10808 12 8.10 7.90 7.85 7.65 6.00 5.50 5.3 4.2 283 1950Taptite B type Drilling Hole Diameter (Steel) 鑽孔徑(鐵)http:/www.shing-.hkTel:(852)2896 0391 Fax:(852)2897 0357Shing Hing Industrial Limited - FASTENERS HANDBOOK13Taptite C type Major DiameterPitchScrew Body DimensionPoint Taper LengthyCMax Mi

27、n Max Min Max Min Max Min Max MinTorquekgf cmTensile loadkgfSize Cpunit : mm1.2 1.6 2.0 2.6 3.2 SizeThickness0.8 1.0 4 Taptite C type Major DiameterCpyunit : mmD三角自攻C型三角自攻C型2 1.65 1.65 1.65 1.65 1.72.3 1.95 1.95 1.95 1.95 1.952.5 2.15 2.15 2.15 2.15 2.15 2.22.6 2.25 2.25 2.25 2.25 2.25 2.3 2.33 2.55

28、 2.6 2.6 2.6 2.65 2.65 2.7 2.73.5 3.0 3.0 3.0 3.05 3.05 3.1 3.1 3.14 3.5 3.5 3.55 3.55 3.6 3.6 3.6 3.65 4.5 4.5 4.55 4.55 4.55 4.6 4.66 5.35 5.35 5.35 5.35 5.4 5.4 5.48 7.25 7.25 7.25 7.25 7.3 7.3 7.32 0.4 1.98 1.89 1.90 1.81 1.52 1.38 1.8 1.4 3.9 1302.3 0.4 2.28 2.19 2.20 2.11 1.76 1.62 1.8 1.4 6.9

29、 1902.5 0.45 2.48 2.38 2.39 2.29 1.88 1.71 2.1 1.5 8.6 2202.6 0.45 2.58 2.48 2.49 2.39 1.98 1.81 2.1 1.5 10 2403 0.5 2.98 2.87 2.88 2.77 2.37 2.17 2.3 1.7 16 3203.5 0.6 3.47 3.36 3.35 3.24 2.76 2.56 2.7 2.1 25 4304 0.7 3.97 3.84 3.83 3.70 3.17 2.91 3.2 2.4 37 5505 0.8 4.97 4.84 4.81 4.68 4.06 3.76 3

30、.6 2.8 79 9106 1.0 5.97 5.82 5.77 5.62 4.84 4.51 4.5 3.5 133 12808 1.25 7.96 7.79 7.74 7.54 6.26 5.87 5.7 4.3 337 2380http:/www.shing-.hkTel:(852)2896 0391 Fax:(852)2897 0357Shing Hing Industrial Limited - FASTENERS HANDBOOK142.0 2.12 2.02 2.04 1.94 1.54 1.34 1.46 1.262.3 2.43 2.33 2.35 2.25 1.84 1.

31、64 1.76 1.562.5 2.63 2.53 2.54 2.44 1.94 1.74 1.85 1.652.6 2.73 2.63 2.64 2.54 2.04 1.84 1.95 1.753.0 3.15 3.03 3.05 2.93 2.35 2.15 2.25 2.053.5 3.66 3.54 3.57 3.45 2.70 2.50 2.61 2.414.0 4.16 4.04 4.02 3.90 3.10 2.90 2.96 2.765.0 5.19 5.05 5.03 4.89 3.76 3.46 3.60 3.306.0 6.24 6.06 6.04 5.86 4.36 3

32、.96 4.18 3.788.0 8.30 8.08 8.05 7.93 5.85 5.35 5.65 5.15unit : mm0.794(32)0.907(28)1.058(24)1.270(20)1.411(19)1.588(16)1.814(14)2.117(12)2.540(10)1.058(24)Max Min Screw Body Diameter Point Taper length Size Pitch C D Cp yCpyMax Min Max Min Max Min Max Min 三角自攻P型，適用於塑料 Taptite P Type http:/www.shing-

33、.hkTel:(852)2896 0391 Fax:(852)2897 0357Shing Hing Industrial Limited - FASTENERS HANDBOOK152.1 3.9 1.6 4.2 1.25 4.2 1.752.4 4.4 1.8 4.8 1.4 4.8 22.7 5 2 5.4 1.55 5.4 2.25 3.1 5.7 2.3 6.2 1.8 6.2 2.63.5 6.5 2.5 7 2 7 2.83.8 7 2.7 7.6 2.15 7.6 3.054.1 7.6 2.9 8.2 2.35 8.2 3.354.5 8.3 3.1 9 2.55 9 3.6

34、54.8 8.9 3.3 9.6 2.7 9.6 3.85.1 9.4 3.5 10.2 2.85 10.2 4.055.5 10.2 3.8 11 3.05 11 4.355.8 10.7 4 11.6 3.2 11.6 4.66.2 11.5 4.2 12.4 3.5 12.4 4.96.8 12.6 4.6 13.6 3.8 13.6 5.47.5 13.9 5 15 4.15 15 5.95 8 14.8 5.3 16 4.4 16 6.29.5 17.6 6.3 19 5.15 19 7.45Wood ScrewRound Head (R) Flat Head (K) Oval He

35、ad (O)dk k dk k dk k+f Size Tol. Size Tol. Size Tol. Size Tol. Size Tol. Size Tol. NominalSizedTol.JIS B1112unit : mm0.20.20.20.250.250.250.250.30.30.30.30.350.350.350.40.40.40.10.10.150.150.150.150.150.150.150.150.150.20.20.20.20.20.20 -0.4 0 -0.4 0 -0.5 0 -0.60 -0.60 -0.70 -0.70 -0.80 -0.80 -0.20

36、-0.20 -0.3 0 -0.30 -0.40 -0.40 -0.80 -0.70 -0.70 -0.60 -0.50 -.040 -0.4 0 -0.5 0 -0.5 0 -0.60 -0.60 -0.60 -0.70 -0.70 -0.20 -0.3 0 -0.3 0 -0.3 0 -0.30 -0.3 0 -0.3 0 -0.40 -0.40 -0.40 -0.40 -0.40 -0.40 -0.50 -0.50 -0.60 -0.60 -0.60 -0.60 -0.70 -0.70 -0.80 -0.60 -0.60 -0.60 -0.50 -0.50 -0.40 -0.40 -0.

37、40 -0.50 -0.50 -0.50 -0.50 -0.50 -0.50 -0.60 -0.60 -0.6Round HeadFlat HeadOval Head0.070.070.070.070.10.10.10.10.120.120.120.120.120.150.150.150.15木牙螺絲http:/www.shing-.hkTel:(852)2896 0391 Fax:(852)2897 0357Shing Hing Industrial Limited - FASTENERS HANDBOOK16Wood Screw#0 0.060 0.119 0.099 0.035 0.11

38、9 0.099 0.056 0.041 #1 0.073 0.146 0.123 0.043 0.146 0.123 0.068 0.052#2 0.086 0.172 0.147 0.051 0.172 0.147 0.080 0.063# 3 0.099 0.199 0.171 0.059 0.199 0.171 0.092 0.073#4 0.112 0.225 0.195 0.067 0.225 0.195 0.104 0.084#5 0.125 0.252 0.220 0.075 0.252 0.220 0.116 0.095#6 0.138 0.279 0.244 0.083 0.

39、279 0.244 0.128 0.105#7 0.151 0.305 0.268 0.091 0.305 0.268 0.140 0.116#8 0.164 0.332 0.292 0.100 0.332 0.292 0.152 0.126#9 0.177 0.358 0.316 0.108 0.358 0.316 0.164 0.137#10 0.190 0.385 0.340 0.116 0.385 0.340 0.176 0.148#12 0.216 0.438 0.389 0.132 0.438 0.389 0.200 0.169# 14 0.242 0.507 0.452 0.15

40、3 0.507 0.452 0.232 0.197#16 0.268 0.544 0.485 0.164 0.544 0.485 0.248 0.212#18 0.294 0.635 0.568 0.191 0.635 0.568 0.290 0.249#20 0.320 0.650 0.582 0.196 0.650 0.582 0.296 0.254#24 0.372 0.762 0.685 0.230 0.762 0.685 0.347 0.300ANSI B18.6.1.1981unit : inchNominal Size or Basic Screw Di-ameterMax. E

41、dge Sharp Min.Edge Rounded or FlatHead DiameterMax. EdgeSharp Head DiameterHeadHeightRefMax MinA H Flat HeadA Oval HeadTotal Head HeightO Oval HeadFlat HeadMin.Edge Rounded or Flat木牙螺絲http:/www.shing-.hkTel:(852)2896 0391 Fax:(852)2897 0357Shing Hing Industrial Limited - FASTENERS HANDBOOK17HI-LO SC

42、REW高低紋螺絲Torsional RequirementsScrew SizeInch MetricMin.Blind HoleTorque in -LBSInch MetricMin.Blind HoleTorque in -LBSRecommended Minimum LengthsScrew Size 2 3 4 5 6 7 8 9 10Pan. Hex. Hex. Washer Heads 3/16 1/4 1/4 5/16 3/8 3/8 3/8 3/8 3/8Flat & Oval Heads 1/4 5/16 5/16 3/8 7/16 7/16 7/16 1/2 1/2Scr

43、ew Size 11 12 13 1/4 9/32 5/16 21/64 11/32 27/64Pan. Hex. Hex. Washer Heads 3/8 3/8 3/8 7/16 1/2 1/2 1/2 1/2 1/2Flat & Oval Heads 1/2 1/2 1/2 9/16 9/16 5/8 5/8 5/8 11/32Screw Size#2-32 2.2 x 0.79 3 12-16 5.5 x 1.59 52#3-28 2.6 x 0.90 5 13-16 5.8 x 1.59 65#4-24 2.9 x 1.06 7 1/4-15 6.3 x 1.69 110#5-20

44、 3.1 x 1.27 11 9/32-16 7.2 x 1.59 152#6-19 3.5 x 1.34 13 19/64-16 7.5 x 1.59 170#7-19 4.0 x 1.34 21 5/16-14 8.0 x 1.81 185#8-18 4.2 x 1.41 25 21/64-18 8.3 x 1.41 306#9-18 4.7 x 1.41 36 11/32-14 9.0 x 1.81 306 #10-16 4.8 x 1.59 36 3/8-13 9.5 x 1.95 370 #11-16 5.3 x 1.59 43 27/64-13 10.6 x 1.97 560扭力要

45、求建議最小長度http:/www.shing-.hkTel:(852)2896 0391 Fax:(852)2897 0357Shing Hing Industrial Limited - FASTENERS HANDBOOK18SCREW HEAD螺絲頭型sA B C Hexagonal Head 切六角頭Max Min Max Min Max Min Max Min Max Min Max Min dsA B C A B CM1.6 1.6 1.46 - - - - 1.225 0.975 - - - - M2 2 1.86 - - - - 1.525 1.275 - - - -M2.5

46、2.5 2.36 - - - - 1.825 1.575 - - - -M3 3 2.86 - - - - 2.125 1.875 - - - -(M3.5) 3.5 3.32 - - - - 2.525 2.275 - - - -M4 4 3.82 - - - - 2.925 2.675 - - - -M5 5 4.82 - - 5.48 4.52 3.65 3.35 - - 3.875 3.125M6 6 5.82 - - 6.48 5.52 4.15 3.85 - - 4.375 3.625M8 8 7.78 - - 8.58 7.42 5.45 5.15 - - 5.675 4.925

47、M10 10 9.78 - - 10.58 9.42 6.58 6.22 - - 6.85 5.95M12 12 11.73 - - 12.7 11.3 7.68 7.32 - - 7.95 7.05(M14) 14 13.73 - - 14.7 13.3 8.98 8.62 - - 9.25 8.35M16 16 15.73 16 15.57 16.7 15.3 10.18 9.82 10.29 9.71 10.75 9.25(M18) 18 17.73 18 17.57 18.7 17.3 11.715 11.285 11.85 11.15 12.4 10.6M20 20 19.67 20

48、 19.48 20.48 19.16 12.715 12.285 12.85 12.15 13.4 11.6 Min Min Max Min M1.6 3.2 3.02 - - M2 4 3.82 - -M2.5 5 4.82 - -M 3 5.5 5.32 - -(M3.5) 6 5.82 - - M4 7 6.78 - -M5 8 7.78 - 7.64M6 10 9.78 - 9.64M8 13 12.73 - 12.57M10 16 15.73 - 15.57M12 18 17.73 - 17.57(M14) 21 20.67 - 20.16M16 24 23.67 23.16 23.16(M18) 27 26.67 26.16 26.16M20 30 29.67 29.16 29.16kDesignationof screw(d)JIS B1180unit : mmDesignationof screw(d)http:/www.shing-.hkTel:(852)2896 0391 Fax:(852)2897 0357Shing Hing Industrial Limited - FASTENERS HANDBOOK19SCREW HEAD螺絲頭型Indented Hexagonal H