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Description: 8x350mm Lead Screw Rod T Shape Linear Rail Bar Shaft with Brass Nut Feature: 3D engraving machine lead screw 350mm length with nut. Nut turn an around move 8mm. Mainly use for Stepping motor driving guide rail. T shape design,make of high quality stainless steel material. Easy to install and convenient to use. Fine producing and practical. Specification: Material Stainless steel lead screw, brass nut Screw diameter 8mm Length 350mm Screw spacing 2mm Lead of thread 8mm Range Reprap makerbot 3d printer accessories Mechanical Drawing: Package Included: 1x 350mm lead screw 1x Brass Nut More Details: