M3*10
countersunk screws
M3*8 screws
Use two m3*10countersunk screws to lock the laser backplane onto the slider
用2颗M3*10沉头螺丝将激光背板锁紧再滑块上
Lock the laser head from the side with four m3*8 half round head screws
用四颗M3*8半圆头螺丝从侧面锁紧激光头
1.3 Assembling the laser head
组装激光头
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