Flat head bolts with double fins with hex nut
BN 251
Standard
DIN 25195
Additional information
At manufacturer's option, the diameter of the shaft may correspond with the pitch diameter
Features
| 頭形 |
頭形
埋頭
|
| 螺紋 |
螺紋
半牙
|
| 材質 |
材質
碳鋼
|
| 強度等級 |
強度等級
4.6
|
| 表面處理 |
表面處理
鍍鋅
|