Standard DIN 34820
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		本标准规定了钢结构用倒角平垫圈的特性,其硬度等级为300HV,公称尺寸(公称螺纹直径)为12毫米至3...
	
	
		
		|   Dimensions in mm - source DIN 34820 Publication date: 2004Withdrawn  |  ||||
| Thread size | d1 nom=min | d2 nom=max | h nom | ≈ weigth in kg x1000 pcs, (ρ=7,85 kg/dm3) | 
| M 12 | 13 | 24 | 2.5 | 6.27 | 
| M 16 | 17 | 30 | 3 | 11.3 | 
| M 20 | ||||
| M 22 | ||||
| M 24 | ||||
| M 27 | ||||
| M 30 | ||||
| M 36 | ||||