Αναζήτηση | Scenario.press

keneng σε πρόσθεσε στο Shopping
2023-04-03 05:36:13 -

What you should learn about screw thread
Screw thread refers to a continuously raised portion of a helical shape and of a specific cross-section made on the surface of a cylindrical or conical base. It is a shape with uniform spiral bulge on the external or internal surface of the products. It has the functions of tightening, connection and sealing, suitable for mostly used screw products. Classification of screw threads Threads can...

0 Σχόλια 0 Μοιράστηκε 10χλμ. Views

Παρακαλούμε συνδέσου στην Κοινότητά μας για να δηλώσεις τι σου αρέσει, να σχολιάσεις και να μοιραστείς με τους φίλους σου!