The ER32 tightening ring, type 7618, features a cylindrical hole and is suitable for tools with a cylindrical shank and a diameter of 11.1 to 12.0 mm. Manufactured by ZM Kolno, it provides secure retention.

To install, insert the ring at an angle into the nut, hook the groove onto the protrusion of the nut, and press it in. Then, the nut must be screwed onto the holder. The ER nut requires tightening with the appropriate torque, in accordance with the specifications in the documentation.

• Brand: ZM Kolno
• Manufacturer Code: 0642-176-186-009
• Product weight with packaging: 0.400 kg
• EAN (GTIN): 5905555223889
• Size: 12 mm
• Type: ER32
• Inner diameter (d): 12 mm
• Outer diameter (D): 33 mm
• Length (L): 40.0 mm