CMT Contractor ITK Plus Finish Saw Blade 160x20mm T40 ATB+SHEAR by CMT is a precision-ground circular saw blade engineered for fine finish cuts in hardwood, softwood, and plywood. Built around a 160mm diameter with a 40-tooth ATB+SHEAR tooth geometry, this metric finish blade is purpose-built for track saws and metric-arbor cordless circular saws where a clean, splinter-free edge is the priority. The combined 10 deg. alternate top bevel and 8 deg. shear grind works together to slice across wood fibers with exceptional smoothness, reducing tearout on finished panels and cabinetry components alike.

Key Features

• ATB+SHEAR Tooth Geometry (10 deg. ATB + 8 deg. SHEAR) - the dual-angle grind shears wood fibers rather than tearing them, producing cleaner edges on crosscuts and rip cuts through hardwood, softwood, and plywood without additional sanding.
• 16 deg. Hook (Cutting) Angle - a positive hook angle feeds material efficiently through the cut, reducing effort while maintaining control on a track saw or portable circular saw.
• 40 Teeth - higher tooth count distributes the cutting load across more cutting edges, yielding a finer surface finish with every pass through the workpiece.
• 160mm Diameter with 20mm Bore (+ 16mm adapter included) - matches the arbor dimensions of popular metric-arbor cordless and track saw platforms, so the blade mounts without adapters for most machines while the included 16mm reduction ring extends compatibility further.
• Kerf Thickness 0.067" / Plate Thickness 0.047" - a thin kerf removes less material per pass, reducing motor load on cordless saws and extending battery runtime without sacrificing cut quality.
• HW (Tungsten Carbide) Tooth Material - micro-grain carbide teeth hold a sharper edge longer than standard steel, extending the interval between resharpenings on demanding finish-cutting tasks.
• Orange Chrome Coating - an electrolytically deposited chromium layer protects the steel plate from corrosion and pitch buildup, helping maintain accurate cutting performance over the life of the blade.
• Laser-Cut Steel Plate - laser cutting delivers tight dimensional tolerances on the plate itself, contributing to stable, vibration-free tracking during cuts.
• Polymer-Filled Sound-Dampening Slots - laser-cut expansion slots filled with polymer dampen vibration and reduce noise at the saw, improving comfort during extended use on job sites or in the shop.
• Tri-Metal Silver Brazing - a silver-based brazing process bonds carbide tips to the plate with high shear strength, keeping teeth seated securely under the stresses of repeated finish cutting.
• Precision Sharpening - each tooth is individually sharpened to tight tolerances, ensuring consistent cut quality and a longer effective service life between resharpenings.

Why This Product

• The 10 deg. ATB + 8 deg. SHEAR combination addresses the most common finish-cutting problem - tearout on the face veneer of plywood and on the exit side of hardwood crosscuts - by shearing rather than chopping through wood fibers.
• A 160mm diameter and 20mm bore, paired with a 16mm reduction ring, makes this blade compatible with a wide range of metric-arbor track saws and cordless circular saws, letting contractors carry a single finish blade that fits multiple tools.
• The thin 0.067" kerf reduces waste and eases the load on battery-powered saws, making this blade a practical choice for cordless track saw setups where runtime and motor longevity matter.
• Tungsten carbide teeth, tri-metal silver brazing, and orange chrome plate protection work together to extend the working life of the blade, reducing the frequency and cost of replacements on high-volume finish cutting work.

Specifications

• Manufacturer Part Number: 272.160.40H
• Brand: CMT Orange Tools
• Diameter: 160mm
• Bore Diameter: 20mm (+16mm)
• Pin Hole: 2/6/32
• Number of Teeth: 40
• Tooth Grind: ATB+SHEAR
• Sharpening: 10 ATB + 8 SHEAR
• Cutting Angle: 16 deg.
• Kerf Thickness: 0.067"
• Plate Thickness: 0.047"
• Tooth Material: HW (Tungsten Carbide)
• Product Class: ITK Plus (SBPLUS)

Approved Applications

• Finish crosscuts in hardwood
• Finish crosscuts in softwood
• Finish cuts in plywood and veneered panels
• Ripping in hardwood and softwood
• Track saw finish cutting
• Metric-arbor cordless circular saw finish cutting
• Portable table saw finish cutting

Frequently Asked Questions

What is the difference between ATB and ATB+SHEAR tooth geometry, and why does it matter for finish cuts?

A standard ATB grind bevels the top of each tooth alternately left and right. The ATB+SHEAR geometry on this blade adds a secondary shear angle - 8 deg. shear on top of the 10 deg. ATB - so each tooth slices across wood fibers at two angles simultaneously. This shearing action dramatically reduces tearout on the exit face of the cut, which is especially important when cutting plywood face veneers, hardwood panels, or any workpiece where both surfaces need to remain clean.

Will this 160mm blade fit my track saw or cordless circular saw?

This blade has a 160mm diameter and a primary bore of 20mm, which matches the arbor size on many metric-arbor track saws and compact cordless circular saws. The blade also includes a 16mm reduction ring (noted in the bore specification as "20 +16mm"), extending compatibility to saws with a 16mm arbor. Check your tool's manual for its required blade diameter and arbor size before mounting.

What does a thin kerf mean in practical terms for a cordless saw setup?

Kerf refers to the width of material the blade removes with each pass. At 0.067" kerf thickness, this blade removes less material than a full-kerf blade, which means the motor has to do less work to push the blade through the cut. On battery-powered track saws and cordless circular saws, that reduced load translates directly to longer runtime per battery charge and less heat buildup in the motor during extended finish-cutting sessions.

Can this blade be resharpened, and what contributes to its cutting longevity?

Yes - the tungsten carbide (HW) teeth are precision-sharpened from the factory and can be professionally resharpened multiple times. The tri-metal silver brazing that bonds each carbide tip to the plate provides high joint strength so teeth stay securely attached through repeated use and resharpening cycles. The orange chrome coating on the plate also resists corrosion and pitch buildup, which helps maintain smooth cutting performance between sharpenings.