| 400mm Lead Screw Rod 8mm Thread T Shape Linear Rail Bar Shaft with Flange Brass Nut Feature: 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: Rod Size: 8X400mm Lead(the straight distance which turn a circle): 8mm Color: silver and gold Material: Stainless steel and brass Package Included: 1 X lead screw rod 1 X Brass Nut |