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The SECO 75000375 is a hex drive Allen key designed for use with indexable tooling systems, specifically for tightening and loosening clamp screws on interchangeable milling tips. Built to work within the Minimaster series, this tool provides the correct drive engagement needed to properly seat and secure cutting inserts without damaging screw heads or mating surfaces. It is a dedicated service tool used by machinists and tooling technicians during insert changes and routine maintenance on milling tool assemblies. The 75000375 is compatible with TCEI0815 and TCEI1020 clamp screws and meets Industry Standard 6 SMS 795.
This Allen key is intended for use in metalworking and machining environments where SECO Minimaster interchangeable milling tip systems are in service. It is a required tool for any shop or field technician performing insert indexing on Minimaster milling bodies. Proper use of a dedicated, correctly sized hex key reduces the risk of cam-out, stripped screw heads, and improper clamp torque on indexable tooling. It suits both production floor and maintenance settings where Minimaster tooling is regularly cycled.
Designed for use with SECO Minimaster series interchangeable milling tip systems. Compatible with TCEI0815 and TCEI1020 clamp screws.
This tool is used by machinists and tooling technicians during insert indexing or replacement procedures. Always ensure the milling spindle is fully stopped and the machine is in a safe, locked-out state before performing any insert or clamp screw service. Use the correct hex key for the specific screw size to avoid stripping the drive recess. Do not use impact tools or extension bars with this key, as over-torquing clamp screws can damage indexable tool bodies.
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