Seco 75004877 Indexable Face Mill Wedge Octo Mill

Product Description

The SECO 75004877 is a replacement wedge for indexable face mills in the Octo Mill series. Wedges secure the cutting inserts within the toolholder body, maintaining precise positioning during face milling operations. A properly seated wedge is critical for consistent depth of cut, surface finish quality, and insert retention at elevated spindle speeds. This component is used by machinists and toolroom technicians working with SECO Octo Mill face mill assemblies on CNC machining centers and manual knee mills. At 0.02 pounds, it is a lightweight precision component that should be replaced any time wear, deformation, or insert seating inconsistency is observed.

This wedge is designed for use in SECO Octo Mill indexable face mill toolholders. It is a direct fitment component for toolholder models R220.43-0063, R220.43-0080, and R220.43-0100-8160. Compatible wedge screws for this application are LD8018-T25P and LD8020-T25P. Installation is performed by machining professionals during toolholder maintenance, insert indexing, or after a crash event where wedge integrity may be compromised.

Key Features

• OEM-style wedge for SECO Octo Mill indexable face mill toolholders
• Compatible with wedge screws LD8018-T25P and LD8020-T25P
• Lightweight construction at 0.02 pounds for minimal toolholder mass impact
• Sold individually — minimum order quantity of 1
• Direct replacement supports consistent insert clamping force and seating accuracy

Compatibility

Compatible with SECO Octo Mill toolholder models R220.43-0063, R220.43-0080, and R220.43-0100-8160. For wedge screw compatibility, this wedge pairs with LD8018-T25P and LD8020-T25P.

Installation Notes

Installation is performed by a qualified machinist or toolroom technician. Always remove the toolholder from the spindle and ensure the machine is powered down and locked out before servicing any toolholder components. Use the correct T25 Torx driver when working with the compatible wedge screws to avoid fastener damage. Do not overtighten the wedge screw beyond manufacturer torque specifications for the toolholder model in use.