Seco 75012861 Tension Screw MM12 Minimaster Milling

Product Description

The SECO 75012861 is a tension screw designed for use with Minimaster series indexable milling toolholders. This screw secures the indexable insert within the MM12 toolholder body, maintaining precise insert positioning under cutting loads. Proper clamping force at the insert seat is critical for dimensional accuracy and tool life in milling operations. The 75012861 is an OEM-style replacement component intended for use by machinists and tooling technicians working with SECO Minimaster tooling systems. It conforms to Industry Standard Number MM12-0637.

This tension screw is used in indexable milling applications where MM12 Minimaster toolholders are in service. It is suited for shops running light to moderate milling operations that rely on the Minimaster platform for profiling, slotting, and general-purpose milling. The screw is a consumable component that requires periodic replacement as part of routine toolholder maintenance to ensure consistent insert clamping performance.

Key Features

• Tension screw type engineered for secure indexable insert clamping in milling operations
• Compatible with MM12 Minimaster series toolholder style
• Conforms to Industry Standard Number MM12-0637
• Direct OEM-style replacement for maintaining Minimaster toolholder performance
• Sold individually; minimum order quantity is 5 units

Compatibility

Designed for use with SECO MM12 Minimaster series indexable milling toolholders, conforming to Industry Standard Number MM12-0637.

Installation Notes

Installation should be performed by a qualified machinist or tooling technician familiar with indexable toolholder assembly. Remove the toolholder from the spindle and ensure the insert pocket is clean and free of chips before replacing the tension screw. Use the appropriate Torx or hex key as specified by the toolholder manufacturer for this screw type. Do not overtighten, as excessive force can damage the screw threads or distort the insert seat.