1pc DSG20H nut housingDSGIBSGBALL SCREW NUT SEAT High precision, High lifespan, High hardnessigh cost performance, High efficiency High power aluminum alloy material, Surface sandblastingtreatment, Durable and Long-lastingPRODUCT PARAMETERS 1204 screw nut seat SFU special nut seat(DSG) Large lead nut seat(BSG)(please click on photograph to purchase what you need)Nut housingDSG12HDSG16HDSG20HDSG25HDSG32HDSG40HBSG1616HBSG2020HBSG2525HBSG3232HDSG16HDSG20HDSG25HDSG32HDSG40HDSG50HFree shippingFree shippingHM12/15/20/25/30ballscrew/ball nut/nut housing/end supportHGR/SBR/EGR/MGN/MGW/SGR/LGD/TBR linear railmotor/driver/spindle/inventer/water pump/switch strength supplyrack/gear/gearboxSCS/SCV/SK/SHF/LM UU…