Product Description
The CMT Screw for Bearing - Torx T25 TSPTI M5 x 3.6 x 6.1mm (Diameter: 9.2mm) is a precision replacement fastener designed to secure bearings on CMT router bits and cutter heads. This genuine CMT replacement screw uses a Torx T25 drive profile, making it easy to install or swap out with a standard T25 driver while ensuring a secure, wobble-free hold on the bearing assembly. Whether you are servicing a worn cutter head or restoring a router bit to factory condition, having the correct OEM-spec screw on hand keeps your tooling running at full performance.
Key Features
- Torx T25 drive profile - provides positive engagement with a T25 driver bit, reducing cam-out and making bearing replacement faster and more reliable than a standard hex or Phillips fastener.
- TSPTI screw type, M5 thread - matches the factory-spec thread pitch used in CMT bearing assemblies, ensuring a proper fit without the risk of cross-threading or mismatched hardware.
- Dimensions: M5 x 3.6 x 6.1mm with 9.2mm head diameter - precisely sized to sit flush against the bearing seat, preventing interference with the cutter body and maintaining correct bearing alignment during operation.
- Genuine CMT replacement part (MPN: 990.080.00) - sourced directly from CMT to guarantee dimensional accuracy and material consistency, so your router bit or cutter head performs exactly as intended after servicing.
Why This Product
- Using the correct OEM bearing screw eliminates guesswork when servicing CMT router bits - the M5 TSPTI thread and 9.2mm head diameter are engineered to match CMT's bearing seat geometry exactly, preventing bearing slop or assembly damage.
- The Torx T25 interface means you can apply the proper torque during assembly without stripping the drive recess - a critical detail when securing a bearing that will spin under load.
- Replacing a worn or damaged bearing screw with a genuine CMT part restores the cutter head to its original specification, extending the overall service life of a router bit that may otherwise be discarded.
- Stocking this small but essential fastener reduces downtime - a missing or stripped bearing screw can sideline an otherwise functional router bit, and having the right replacement on hand keeps the shop running.
Specifications
- Manufacturer Part Number: 990.080.00
- Brand: CMT Orange Tools
- Description: SCREW FOR BEARING TORX T25 TSPTI M5x3.6x6.1mm D=9.2mm
- Drive Type: Torx T25
- Screw Type: TSPTI
- Thread Size: M5
- Thread Length: 3.6mm
- Overall Length: 6.1mm
- Head Diameter: 9.2mm
- Status: Active
Frequently Asked Questions
What drive tool do I need to install this screw?
This screw uses a Torx T25 drive profile. You will need a T25 Torx driver bit or Torx key to install or remove it. The Torx interface provides secure engagement and helps prevent cam-out during tightening.
What is the head diameter of this bearing screw?
The head diameter is 9.2mm. This is an important dimension to verify before ordering, as it must match the bearing seat on your specific CMT router bit or cutter head assembly.
What thread size and length does this screw use?
This screw features an M5 thread with a thread length of 3.6mm and an overall length of 6.1mm. These dimensions are consistent with CMT's factory specification for bearing fasteners on compatible router bits and cutter heads.
Is this a genuine CMT replacement part?
Yes. This is an authentic CMT replacement screw carrying CMT part number 990.080.00. Using a genuine CMT part ensures the screw meets the original dimensional and material specifications required for proper bearing function in CMT tooling.
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