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Click Specification

(Non-preferred) dimensions in parentheses.

Unit:mm

High Strength Plain Washers for Steel Structures

GB /T 1230 - 1991

Display drawing:

国标GB /T1230 - 1991 GB1230 1230GB High Strength Plain Washers for Steel Structures
Download CAD Model*

 *Models with different eras.

Calculate weight and price. Weight 1000 pcs : kg x $ per kg = $ 1000 pcs
Default density g/cm3
×

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.
Size
12 16 20 (22) 24 (27) 30
d min
max
dc min
max
h min
max
d1 min
max
per 1000 units ≈ kg
13 17 21 23 25 28 31
13.43 17.43 21.52 23.52 25.52 28.52 31.62
23.7 31.4 38.4 40.4 45.4 50.1 54.1
25 33 40 42 47 52 56
2.5 3.5 3.5 4.5 4.5 4.5 4.5
3.8 4.8 4.8 5.8 5.8 5.8 5.8
15.23 19.23 24.32 26.32 28.32 32.84 35.84
16.03 20.03 25.12 27.12 29.12 33.64 36.64
10.47 23.4 33.55 43.34 55.76 66.52 75.42

Alternative history

GB /T 1230 - 1991 GB /T 1230 - 2006 GB /T 1231washer - 2024
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