Product Description
CMT Solid Carbide Reversible Insert Knives, 18x18x1.95mm - 10-Piece Pack by CMT are precision-ground, square indexable carbide inserts engineered for demanding profiling, molding, and shaping operations. Each knife is manufactured from K1920 solid carbide with four cutting edges ground at 35 deg., delivering a sharp, consistent cut through hardwood, softwood, MDF, chipboard, and plywood. This 10-piece pack keeps your cutter head running with fresh edges on hand, making them an efficient choice for high-volume woodworking and joinery production.
Key Features
- K1920 Solid Carbide Material - a premium carbide grade that maintains a sharp cutting edge far longer than high-speed steel, reducing downtime for edge changes in production environments.
- Four Cutting Edges at 35 deg. - standard reversible (throwaway) design means each knife delivers four usable cutting edges; simply rotate to a fresh edge when one dulls, maximizing the value of every insert.
- Precision Dimensions: 18mm x 18mm x 1.95mm - exact tolerances on length, height, and thickness ensure consistent seating in compatible cutter heads and uniform profile quality across the workpiece.
- Square Indexable Knife Profile - the equal 18mm length and 18mm height make these inserts suitable for multiple positioning orientations, giving you flexibility in a variety of cutter head setups.
- 10-Piece Pack Quantity - having ten knives available at once means you can keep a cutter head fully loaded and still maintain a ready supply of fresh inserts, minimizing interruptions during production runs.
Why This Product
- Four cutting edges per knife mean you get four times the service life compared to a single-edge insert - a straightforward way to lower your tooling cost per linear foot of profile cut.
- K1920 carbide holds its edge on abrasive sheet materials like MDF and chipboard where high-speed steel dulls rapidly, making these inserts the right choice for composite panel work and mixed-material shops.
- The 35 deg. cutting geometry is a standard reversible knife configuration, so these inserts fit proven, widely used indexable cutter head systems designed around this insert class.
- The 10-piece pack quantity ensures you always have a direct replacement on hand during a shift - no waiting on a single insert, no unplanned downtime while sourcing a replacement.
Specifications
- Manufacturer Part Number: 790.181.00
- Brand: CMT Orange Tools
- Length: 18mm
- Height: 18mm
- Thickness: 1.95mm
- Number of Cutting Edges: 4
- Cutting Edge Angle: 35 deg.
- Material: K1920 Solid Carbide
- Insert Type: Reversible Throwaway Indexable Knife
- Quantity: 10-Piece Pack
Approved Applications
- Profiling and Molding
- Edge Profiling
- Rabbeting
- Grooving
- Jointing
- Spindle Moulder Operations
- Profile Machine Operations
- Edging Machine Operations
- Router Table Cutter Head Applications
Frequently Asked Questions
How many cutting edges does each knife provide?
Each 18x18x1.95mm solid carbide knife provides 4 cutting edges. When one edge dulls, you simply rotate the insert to expose a fresh edge, extending the usable life of each piece before replacement is needed.
What materials are these carbide insert knives suitable for cutting?
These K1920 solid carbide reversible knives are well suited for hardwood, softwood, MDF, chipboard, and plywood. The carbide grade is particularly effective on abrasive engineered materials like MDF and chipboard that wear high-speed steel tools quickly.
What does the 35 deg. cutting edge angle mean for my work?
The 35 deg. angle is the standard geometry for this class of reversible throwaway indexable knives. It is a proven, widely adopted configuration in indexable cutter head systems designed for profiling, molding, and shaping operations on spindle moulders and similar machines.
What are the exact knife dimensions I should verify before ordering?
The knives measure 18mm in length, 18mm in height, and 1.95mm in thickness. All three dimensions should be verified against your cutter head's insert pocket specifications before purchasing to ensure a proper, secure fit.
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