Product Description
CMT Straight Bit Long Series - 3/4" Cutting Diameter, 1/2" Shank by CMT is engineered for woodworkers and tradespeople who need to reach deeper into a workpiece without sacrificing cut quality. With a 2" cutting height and a robust 1/2" shank, this long-series straight router bit handles dadoes, grooves, and deep plunge cuts in solid hardwood, plywood, MDF, and a wide range of composite sheet goods. The razor-sharp, double-faced carbide cutters are built to deliver smooth, precise results on even the heaviest workloads, making this bit a reliable choice for both handheld routers and router table setups.
Key Features
- 3/4" Cutting Diameter with 2" Cutting Height - the long-series geometry lets you rout deep dadoes, housings, and grooves in a single pass, reducing the need for multiple setups or repeated passes.
- 2-Flute Micrograin Carbide Cutters - dual razor-sharp cutting edges made from micrograin carbide stay sharp longer under heavy use and produce a clean, smooth surface on every pass.
- Fatigue Proof Steel Body - the bit body is manufactured from special Fatigue Proof steel, which resists stress and deformation during prolonged or demanding cutting sessions, supporting consistent performance over time.
- CMT Orange PTFE Non-Stick Coating - the trademark orange surface treatment prevents resin, pitch, and other residue from bonding to the bit, making cleanup easier and helping the bit run cooler for a longer service life.
- Exceptional Chip Ejection - the flute geometry is designed to clear chips quickly and efficiently, allowing cleaner, more constant cutting with less re-cutting of debris.
- Right-Hand Rotation - standard right-hand rotation is compatible with all conventional handheld routers, router tables, and CNC routing machines.
- 1/2" Shank - the larger 1/2" shank diameter provides greater rigidity and reduced vibration compared to smaller shank sizes, contributing to a cleaner edge finish on the workpiece.
Why This Product
- At 2" of cutting height on a 3/4" diameter, this long-series bit reaches depths that standard-length straight bits cannot, making it the right choice for deep shelf pin dadoes, housing joints, and full-thickness panel grooves.
- The combination of micrograin carbide edges and Fatigue Proof steel construction allows the bit to maintain sharpness and structural integrity through heavy production runs, not just occasional use.
- The orange PTFE non-stick coating addresses one of the most common frustrations with router bits - resin and pitch buildup - by actively repelling residue, so the bit stays cleaner and cuts more freely over its lifespan.
- With a 1/2" shank and a total length of 3 5/8", this bit is sized for stability in both handheld router and router table applications, giving woodworkers confidence when routing MDF, laminates, melamine, and hardwood alike.
Specifications
- Manufacturer Part Number: 812.691.11
- Brand: CMT Orange Tools
- Cutting Diameter: 3/4"
- Cutting Height: 2"
- Total Length: 3-5/8"
- Shank: 1/2"
- Number of Teeth: 2
- Material: HW (Micrograin Carbide)
- Rotation: Right-Hand (RH)
- Product Type: Straight Bit, Long Series
Approved Applications
- Deep straight cuts in solid hardwood and softwood
- Dadoes and grooves in plywood, MDF, and chipboard
- Template routing and pattern work requiring extended reach
- Panel joinery and housing joints
- Cutting laminates, melamine, and plastic sheet goods
Frequently Asked Questions
What is the difference between a long-series straight bit and a standard-length straight bit?
A long-series straight bit has a greater cutting height than a standard bit of the same diameter. This CMT bit provides 2" of cutting height compared to the shorter cutting height found on standard-series versions, allowing it to cut deeper dadoes, grooves, and housings without repositioning the workpiece or making multiple passes at increasing depths.
What is the CMT orange non-stick coating, and how does it help during routing?
The orange surface on CMT bits is a PTFE-based non-stick coating applied to the body of the bit. It helps prevent resin, pitch, and other wood residues from sticking to the bit surface. This keeps the bit running cleaner during cuts, reduces heat buildup caused by residue accumulation, and makes it easier to clean the bit after use, which in turn supports a longer service life.
Is this bit compatible with a router table as well as a handheld router?
Yes. The 1/2" shank is a standard size accepted by most handheld router collets and router table setups. The right-hand rotation of this bit is consistent with the direction of all conventional routers, whether used freehand or mounted in a table.
Can this bit be used on materials other than solid wood?
Yes. The micrograin carbide cutters on this bit are suitable for use in a variety of sheet goods and composite materials in addition to solid hardwood and softwood. Compatible materials include plywood, MDF, chipboard, laminates, melamine, and plastic. The 2-flute design and chip ejection geometry help maintain clean cuts across these different material types.
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