PEM自扣紧紧固件——螺母系列：
凸焊螺母(WN,WNS)
可防止烧坏，不需转动转动和重新定位即可防止焊接物飞溅。
公制计量 单位：mm
统一标准 |
螺纹尺寸×螺纹 |
类型 |
螺纹编码 |
底端编码 |
A Max. |
最小板厚 |
板上孔的尺寸 +0.1 |
C Max. |
E -0.25 |
T ±0.1 |
孔距C/L边缘的最短距离 |
|
钢 |
不锈钢 |
|||||||||||
M3×0.5 |
WN |
WNS |
M3 |
0 |
0.76 |
0.77 |
4.4 |
4.37 |
7.85 |
1.5 |
4.47 |
|
M4×0.7 |
WN |
WNS |
M4 |
0 |
0.76 |
0.77 |
5.6 |
5.57 |
9.4 |
2.6 |
5.2 |
|
M5×0.8 |
WN |
WNS |
M5 |
0 |
0.76 |
0.77 |
6.4 |
6.33 |
11.2 |
3.8 |
5.65 |
|
M6×1 |
WN |
WNS |
M6 |
0 |
1.24 |
1.25 |
8.1 |
8.03 |
13.2 |
4.6 |
6.7 |
|
英制计量：英寸
统一标准 |
螺纹尺寸 |
类型 |
螺纹编码 |
底端编码 |
A Max. |
最小板厚 |
板上孔的尺寸 +.004/-.000 |
C Max. |
E +.000/-.010 |
T ±.004 |
孔距C/L边缘的最短距离 |
|
钢 |
不锈钢 |
|||||||||||
.112-40(#4-40) |
WN |
WNS |
440 |
0 |
.030 |
.030 |
.173 |
.171 |
.31 |
.063 |
.15 |
|
.138-32(#6-32) |
WN |
WNS |
632 |
0 |
.030 |
.030 |
.193 |
.191 |
.34 |
.093 |
.17 |
|
.164-32(#8-32) |
WN |
WNS |
832 |
0 |
.030 |
.030 |
.218 |
.216 |
.37 |
.107 |
.18 |
|
.190-24(#10-24) |
WN |
WNS |
024 |
0 |
.030 |
.030 |
.250 |
.248 |
.44 |
.155 |
.22 |
|
.190-32(#10-32) |
WN |
WNS |
032 |
0 |
.030 |
.030 |
.250 |
.248 |
.44 |
.155 |
.22 |
|
.250-20(1/4-20) |
WN |
WNS |
0420 |
0 |
.048 |
.050 |
.316 |
.315 |
.52 |
.185 |
.26 |
|
