Product Description
CMT Screw 7587 M4.2 x 19 Z/B by CMT is a precisely sized M4.2 x 19mm replacement screw designed for use with CMT router bits and cutter heads. This fastener keeps cutting tools properly secured during routing operations, helping maintain accuracy and safety at the workbench or in production environments. The Z/B designation identifies the thread and drive configuration, making it straightforward to match this screw to compatible CMT tooling. Whether you are replacing a worn fastener or stocking spare hardware for a busy shop, having the correct cutter head screw on hand minimizes downtime and keeps your routing setup performing as intended.
Key Features
- M4.2 x 19mm sizing - matches the precise thread diameter and length required for compatible CMT router bits and cutter heads, ensuring a secure, correctly torqued fit
- 7587 screw type designation - identifies the exact CMT screw series so you can confidently select the right replacement hardware without guesswork
- Z/B drive and thread specification - indicates the specific thread form and drive style, reducing the risk of mismatch or cross-threading during installation
- Active product status - currently manufactured and available as a genuine CMT replacement part, so your tooling investment is supported long-term
- RPRB class categorization - confirms this is a genuine CMT replacement part accessory, meaning it is engineered to the same standards as the original hardware shipped with CMT tooling
Why This Product
- Exact OEM specification - this screw is manufactured to the same M4.2 x 19mm Z/B standard as the original fastener used in CMT router bits and cutter heads, eliminating compatibility uncertainty when replacing worn or lost hardware
- Keeps cutting tools safely secured - a properly fitting cutter head screw is critical to safe router operation, and using the correctly specified fastener helps prevent insert movement or tool failure during cuts
- Genuine CMT replacement part - sourcing directly from the CMT replacement parts line means you are not compromising on material or dimensional tolerance, which matters when fasteners are under cutting loads
- Supports a broad range of CMT router bits and accessories - the RPRB classification confirms this screw is intended across CMT's range of router tooling, making it a practical spare to keep in stock for mixed CMT setups
Specifications
- Brand: CMT Orange Tools
- Manufacturer Part Number: 990.081.00
- Description: SCREW 7587 M4.2x19 Z/B
- Thread Diameter: M4.2
- Length: 19mm
- Type: 7587
- Drive/Thread Style: Z/B
- For Use With: CMT router bits and accessories
- Product Class: RPRB
- Status: Active
Frequently Asked Questions
What does the "Z/B" designation mean on this screw?
The Z/B designation is part of CMT's internal specification coding for this screw type. It identifies the specific thread form and drive style of the 7587 series screw, helping you confirm you have the correct fastener for your CMT router bit or cutter head before installation.
Which CMT products is this screw compatible with?
This M4.2 x 19mm screw is designed for use with CMT router bits and accessories. It falls under CMT's RPRB replacement parts classification, indicating compatibility across CMT's range of router tooling that uses the 7587 screw specification.
Is this a genuine CMT replacement part or an aftermarket fastener?
This is a genuine CMT replacement part. The product carries CMT's own manufacturer part number 990.081.00 and is classified under CMT's replacement parts (RP) macro class, confirming it is manufactured to the same specifications as the original hardware used in CMT tooling.
Why is it important to use the correct screw size when reassembling a router bit or cutter head?
Router bit and cutter head screws secure cutting inserts under significant load during operation. Using a screw with the wrong thread diameter, length, or drive specification can result in improper clamping force, potential insert movement, or fastener failure. The M4.2 x 19mm Z/B sizing on this CMT screw is engineered to deliver the correct fit and holding performance for compatible CMT tooling.
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