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Click Specification

Unit:mm

TB /T 777 - 1993

Display drawing:

铁道部TB /T777 - 1993 TB777 777TB
Calculate weight and price. Weight 1000 pcs : kg x $ per kg = $ 1000 pcs
Default density g/cm3
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Choose materials based on density.(g/cm3)

  • Carbon Steel 7.85
  • Stainless Steel 8.1
  • Stainless Steel 7.95
  • Stainless Steel 7.7
  • Titanium Alloy 4.5
  • Aluminum Alloy 2.8
  • Copper 8.89


Select here or enter material density on the calculation page.
Screw Thread
d
M14 M20 M22 M27 M30 M36 M39 M42 M48 M56 M64 M68 M76
P Pitch
d1 max
min
d2
e ≈
L1
L2
H
s max
min
b
per unit≈kg
1.5 1.5 1.5 2 2 2 2 2 2 2 2 2 2
10.68 15.68 16.68 20.71 22.71 26.71 28.71 32.75 40.75 45.75 52.8 56.8 67.3
10.5 15.5 16.5 20.5 22.5 26.5 28.5 32.5 40.5 45.5 52.5 56.5 67
14.5 20.5 22.5 27.5 30.5 36.5 39.5 42.5 48.5 56.3 64.5 68.5 76.5
21.9 31.2 31.2 36.9 41.6 53.1 53.1 57.7 69.2 80.8 92.2 98.2 104.1
14 16 17 18 20 20 21 23 24 24 25 28 30
7 7 7 9 9 9 9 11 11 11 11 13 13
18 20 21 23 25 27 27 29 30 31 33 36 38
19 27 27 32 36 46 46 50 60 70 80 85 90
18.16 26.16 26.16 31 35 45 45 49 58.8 68.8 78.8 83.8 88.6
4.5 4.5 4.5 6 6 6 6 6 6 6 6 6 6
0.017 0.05 0.043 0.059 0.085 0.114 0.147 0.184 0.305 0.345 0.579 0.659 0.732

Alternative history

TB /T 777 - 1993 TB /T 777 - 2005
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