Malco MCCB7 7 1/4-Inch 56 Tooth Metal Cutting Saw Blade for Standing Seam Roof Panels Review

Average Reviews:

(More customer reviews)I purchase two of the Malco 7.25" metal cutting circular saw blades.I'm working on a project where we were pouring a concrete slab over some 18 gauge, corrugated metal pan decking.We had to recut all of the panels because the slab is curved.The project would have taken a lot of time, and money, to cut with abrasive blades or using a reciprocating saw.Cutting the material would have been hard and with questionable results using a torch.I had planned ahead on this and had these blades in hand before I started.I cannot tell you how easy it was to do the job using the Malco blade on one of my Skil Saws.It was actually fun to do all the cutting.I used only one blade for cutting over 100' of the metal decking.This translates into cutting over 200' of 18 gauge material.The blade remained very sharp until about the last 10' of cutting.It dulled fairly quickly in the last 10'.Other than loosing only one of the carbide points, the saw was in very good shape.I still have one new blade and the other is now at the saw shop being reground for another day.

The saw blade seems to run cool and doesn't appear to throw sparks like an abrasive blade does.Sparks are really bad on products such as painted metal roofing.The sparks burn into the paint causing rust streaking and early failure of the metal finish.This blade throws small flakes of steel that seem to be quite cool and don't burn.I look forward to using this blade to cut the metal roofing that will be going on this house.

Several notes of caution in doing this work.You WILL need hearing protection!You will also need a very good pair of safety glasses.The third thing is that you need to have the correct saw.There are saws specifically designed to use these metal cutting blades.They are sealed to the outside in a way that the small metal "sawdust" cannot get inside the motor.Some even have a little box that catches a good portion of the "sawdust."The saws are pretty expensive and I will get one in the future, but I have not determined which saw is the best for my needs.What I did in the mean time was use one of my Skil 8.25" saws.I covered all of the air ducting slots by using a piece of the filter cloth from a perforated, plastic drain pipe and some electrical tape.It was quick, easy and sealed the saw nicely.I have a friend in the steel fabrication business that has several dead Skil Saws because of this very problem.Be forewarned, don't waste a perfectly good saw; put a diaper on it!

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Product Description:
Metal Cutiing Circular Balde, Specially Formulated, Tough C-6 Carbide Tipped Blade Fits All Popular Brands Of Portable Circular Saws, Lasts Up To 30 Times Longer Thatn Abrasive Disks For Cutting Unhardened Ferrous Metal, Make True, Flat Cuts In Standing Seam Metal Roofing & Metal Building Panels Without Burning Paint Or Protective Coatings, Also Makes Clean Cuts In Metal Studs, Light Angle Iron & Thin Walled Pipe.

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