Verified Exact DIM
The official CMT variation row specifies M3.5 × 6 × 8.5 mm for Item Code 990.077.00.


CMT 990.077.00 is the exact T15 Torx replacement screw with official DIM M3.5 × 6 × 8.5 mm—approximately 0.138 × 0.236 × 0.335 inch—for compatible CMT insert-tooling systems, including verified MDF profile and V-groove applications.
A separately sold T15 Torx fastener for compatible CMT replaceable-insert tooling. Exact Item Code selection is essential because similar CMT screws use different threads, lengths, heads, and drive sizes.
Verified in CMT insert systems including complete MDF decorating set 616.000.01 with body 616.200, and documented V-groove/folding/signmaking insert-tool families. Confirm the exact host-tool spare-parts table before ordering.
CMT 990.077.00 is the exact T15 Torx replacement screw listed in the official CMT 990.torx spare-parts family. The verified variation row specifies DIM M3.5 × 6 × 8.5 mm, approximately 0.138 × 0.236 × 0.335 inch.
The screw retains compatible replaceable inserts in designated CMT cutter bodies. Official documentation confirms its use with CMT set 616.000.01 and body 616.200, while CMT catalog references also identify it in compatible V-groove, folding, signmaking, and MDF insert-tool systems.
This SKU represents the screw only. The cutter body, carbide insert, T15 key 991.061.00, torque tool, and other components are not included. Select the fastener by exact Item Code and host-tool documentation rather than appearance or nominal thread size alone.
Technical Specifications
The official CMT variation row specifies M3.5 × 6 × 8.5 mm for Item Code 990.077.00.
Designed for a compatible T15 driver, including CMT key reference 991.061.00.
Separately sold screw for compatible CMT replaceable-insert cutter systems.
Confirm Item Code 990.077.00 in the exact host-tool parts list before installation; nominal M3.5 size alone does not establish interchangeability. Isolate the machine, clean and inspect the screw, insert, pocket, and threads, position the insert fully against its seat, and follow the current CMT assembly instructions and specified fastening method. Do not substitute a visually similar screw.
CMT 990.077.00 provides the verified T15 Torx, M3.5 × 6 × 8.5 mm configuration for designated CMT insert-tooling assemblies.
Reliable retention depends on exact screw selection, clean undamaged threads, correct insert seating, and compliance with the host-tool assembly instructions.