Diameter: φ15-360

Ratio Of Length To Diamcter: L/D=15-45

Steps to place an order:
Step 1. Inquiry.
Send us diameter of screw, the model of machine.
If you have drawing or draft, please send us! That will save a lot of your time!
Step 2. Quotation & Contract
Our manager will send you a quotation.
After confirming the quotation by you, we will send you invoice and contract for payment.
Step 3. Drawing
Our specialist will design drawings and send you for confirming.
Drawings are made by Auto CAD.
Step 4. Inspection & Delivery
After production we will check the hardness and sizes, send you photoes of screw and barrel.
With rich experiences in shipment we can offer the best delivery plan for you.