Product Description
CMT Solid Carbide Reversible Insert Knives - 40x12x1.5mm, 35 deg. Bevel, 2 Cutting Edges (10-Pack) are precision-ground throwaway carbide knives engineered for demanding woodworking applications on spindle moulders, profile machines, and compatible insert cutter head systems. Built from K2250 grade tungsten carbide, these indexable knives deliver consistent cutting performance across hardwood, softwood, MDF, chipboard, and plywood. With two sharp cutting edges per knife and a 35 deg. bevel geometry, each insert offers an extra edge of usable life before replacement - making this 10-pack a practical, high-value solution for production shops and professional woodworkers seeking reliable profiling and moulding inserts.
Key Features
- K2250 Solid Carbide Material - tungsten carbide construction provides significantly longer cutting life compared to HSS alternatives, reducing downtime and replacement frequency in heavy-use environments.
- Reversible Double-Edge Design (2 cutting edges at 35 deg.) - rotate to the second fresh edge when the first dulls, effectively doubling the usable life of each knife and lowering cost per cut.
- 40x12x1.5mm Knife Dimensions - standardized sizing ensures a precise, repeatable fit in compatible insert cutter heads, contributing to consistent profile quality and minimal setup variation.
- 35 deg. Bevel Angle - optimized cutting geometry supports clean shearing action through hardwood, softwood, MDF, chipboard, and plywood, reducing tearout and improving finished surface quality.
- Precision-Ground Tolerances - each knife is ground to exact dimensional specs (L: 40mm, H: 12mm, K: 1.5mm), so profile results remain consistent across the full 10-pack and across knife changes.
- Indexable Throwaway Format - no resharpening required; when both edges are worn, simply replace the insert for fast turnaround and consistent cutting geometry without regrinding downtime.
- 10-Piece Pack - provides an ample supply of inserts for continuous production runs, keeping profiling and moulding operations running without waiting on individual replacements.
Why This Product
- Two edges, one insert - the reversible design means each of the 10 knives in this pack provides two distinct cutting edges at 35 deg., so shops get 20 total fresh cutting surfaces from a single purchase - maximizing value without compromising cutting precision.
- Drop-in fit for insert cutter head systems - the standardized 40x12x1.5mm format is engineered for indexable insert shaper systems, eliminating guesswork during knife changes and keeping profiles accurate from the first cut to the last.
- K2250 carbide grade for versatile material compatibility - these knives are suited for profiling and moulding in hardwood, softwood, MDF, chipboard, and plywood, making them a single-stock solution for shops working across multiple wood species and sheet goods.
- Throwaway convenience without compromise - the indexable throwaway format removes the need to send knives out for resharpening, keeping production schedules intact and cutting geometry predictable every time a fresh edge is indexed.
Specifications
- Manufacturer Part Number: 790.400.03
- Brand: CMT Orange Tools
- Total Length: 40mm
- Cutting Depth: 12mm
- Cutting Height: 12mm
- Teeth Thickness: 1.5mm
- Bevel Angle: 35 deg.
- Number of Cutting Edges: 2
- Material: K2250 Solid Carbide
- Quantity: 10-Pack
Approved Applications
- Profiling and Moulding
- Edge Profiling
- Rabbeting
- Grooving
- Jointing
Frequently Asked Questions
What does "reversible" mean for these carbide insert knives?
Each knife in this pack features 2 cutting edges ground at a 35 deg. bevel. When the first edge becomes dull during use, you simply remove the knife, flip or rotate it to index the second fresh edge, and reinstall. This doubles the effective cutting life of each insert before it needs to be replaced.
What are the exact knife dimensions for fit verification?
Each knife measures 40mm in total length, 12mm in height, and 1.5mm in thickness (L x H x K format). These dimensions should be confirmed against your cutter head's knife seat specifications before installation to ensure a correct, safe fit.
What carbide grade are these knives made from, and what materials can they cut?
These knives are manufactured from K2250 grade solid carbide (tungsten carbide). This material grade is suited for cutting hardwood, softwood, MDF, chipboard, and plywood on spindle moulders, profile machines, and compatible insert cutter head systems.
How many knives are included, and do they require sharpening?
This listing includes 10 solid carbide insert knives. These are indexable throwaway knives - they are not designed to be resharpened. Once both cutting edges on a knife are spent, the insert is replaced. With 10 knives and 2 edges each, this pack provides 20 total usable cutting edges.
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