Coavoo T20 20mm Lead Screw 11.81 inch / 300mm Length, Right and Left Hand Bi Direction Lead Screw with 2Pcs Brass Nuts (Acme Thread, Pitch of Screws: 4mm, Lead: 4mm, Single Start) Used in 3D Printer

Coavoo T20 20mm Lead Screw 11.81 inch / 300mm Length, Right and Left Hand Bi Direction Lead Screw with 2Pcs Brass Nuts (Acme Thread, Pitch of Screws: 4mm, Lead: 4mm, Single Start) Used in 3D Printer

• Right hand and left hand lead screw diameter: 20mm; Lead / Pitch: 4mm; Total length: 11.81 inch / 300mm; with 2pcs brass lead screw nuts, no end machining. There are about 20mm reserved for the middle joint, both the right hand and left screws length is 140mm
• Bi-directional makes 2 ball nuts move in opposite directions, towards both ends or to the middle at the same time with much higher precision, overcome the synchronization error excellently caused by the 2 motors. The right-handed / clockwise and left-handed / counterclockwise thread lengths are equal in default, if your length are different, please tell us
• 304 Stainless steel lead screw rod, not rust, durable, straight with no bends, each end has a slight chamfer ground onto them to make installation easier + Brass Nut; the T20 20mm brass nut, with 4 holes to fix to the machine
• We can provide all the customization service for you, any length of the lead screw, end machining requirement, kinds of manufacture about the nut and so on, please let us know your needs through Amazon message
• Coavoo, a seller focusing on the transmission products, we can provide full styles of lead screws to meet your needs; With all the technical support, from the CAD or the 3D files to all the questions during design and use, and also with worry free return policy. Let us enjoy a better transmission world