NSK C3Z Ground BallScrew Right and Left Helix 8-1.5mm L185mm Travel 37mm

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If you want these mount brackets on the 9th photo,please don't forget to tell me,otherwise I won't send them.  ConditionUsed item in very good working condition,without any detectable backlash or play!The nut moves smoothly. SpecificationTotal lenght=185mm Travel=37mm(left=right) Screw Pitch=1.5mm Shaft Diameter=8mm Nut Diameter=15mm Nut Length =22mm Accuracy grade=C3Z Support Unit = THK FK6 Top diameter for coupling =5mm Made in Japan Precaution: Please use high quality lubricant grease for long lasting service life of ballscrew. Don't move the screw nut out from the screw. SHIPPING We'll choose economy shipping or express delivery(EMS) to worldwide based on the difference in the weight of the goods.  Economy shipping usually takes 15-30 working days,sometimes it takes more than usual,it deponds on post office and the customs of your country. Express delivery(EMS) usually takes 5-10 working days,but some country still takes more time.for example Russia(10-20days). The goods can't be sent to some of Africa and Mideast countries,please contact us before buying Please let us know your contact number (phone or mobile number).We have to fill your phone number in the air waybill so that you can receive the items in time without delay or loss! We can't send goods within the weekends and all major CHN holidays. Return Policy Please contact us first before returning. Return can be accepted within 14 days after item’s arrival, and it has to be in the original  condition as it was sent out.Buyer is responsible for the postage of the returned item, and  the original postage cost is not refundable. Payment by PayPal If have any question,please contact us,we'll respond as soon as possible. ++ Thank you ++