4257 stepping motor Positive and negative direction of the controller Angle pulse speed screw rod module board programmable PLC
![4257 stepping motor Positive and negative direction of the controller Angle pulse speed screw rod module board programmable PLC](http://ae04.alicdn.com/kf/H1b032813268e4d72acae531d37094b2dl.jpg)
sku: 1005001297308119
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$16.26
Shipping from: China
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