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Prazi USA PR7000 Beam Cutter for 7-1/4-Inch Worm Drive Saws
Cuts angles up to 45 degrees. The vertical foot-plate and built-in sight allow smooth, exact square cuts and ensures gliding manageability while cutting perfectly straight lines. With a 12 in. cutting capacity, you can professionally execute the following cuts and many more: rafter pitch cut, miters, stairs, arches, log cuts, compound angles, bandsaw cut, notch 6x12 panels and ripping. Fits Skil models 77 and 5860; Makita model 5077B; Milwaukee models 6377 and 6378; Black & Decker models 2700, 2710 and 3051; Craftsman model 2761; and DeWalt model DW377.
Prazi USA PR7000 Beam Cutter for 7-1/4-Inch Worm Drive Saws Accessories
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Prazi USA PR7000 Beam Cutter for 7-1/4-Inch Worm Drive Saws Reviews
I found some chain saw bar oil, worked into the chain frequently seemed to help the system run smoother than just lubricating the tip, as recommended in the manual. Once you have installed the unit on your saw, you are able to remove it and re-install it as necessary pretty quickly. The chain is essentially a chain saw so the cut is not as smooth as I might like, but, this is a unit for framing not finish carpentry. It also allows me to stack about 5 to 6 2x rafters up and cut the bird's mouth cuts all at once. No other "beam cutter" saw could cut that wide of joist in a single pass without cutting from the side of the joist. I installed the Prazi on my Skil "77M" and used it to cut 11 7/8" engineered floor joists to length and square.
It worked beautifully. All-in-all an innovative and well-made product. However, it does take some time and you should "group" your cuts to reduce the number of "changeovers" you need to make. I did find that the saw causes tear-out at the top of the cut, so it is a good idea to use a utility knife to scribe a line just outside the limits of the cut to prevent that.
Overall a great, unique product that is reasonably priced. However, since it's a chainsaw type system that needs to be oiled occasionally, a bottle with a very fine tip needs to be used to oil the chain sprocket as the oil hole in the arm is quite small. Additionally, it would be well worth the additional $20 to get the storage bag since it's shipping box will not last long to store the unit, and with the chain exposed, protection is needed to keep the chain from being damaged during transport and storage. We used this to straight cut 6" beams, and 45' angles on 4" planks with ease. It was easy to assemble onto the Skil Saw and handled nicely. A must for any toolbox. The bottle is not included but should be.
up to about eight inches of pine logs,so when i. time.If you need cuts up to 12in this is your tool. is smooth and the cuts are perpect,no vibration. a new skil mag77 and the combination was great,it. the tool i was looking for.
saw the Prazi beam cutter i thought this is just. Hi,. I'm building a log home and needed a saw to cut. buy it you won't be sorry. of any kind,a real solid tool built to last a long.
I did'nt have the rite saw either so i had to buy.
GREAT PRODUCT. After reading other reviews I was afraid to by this but I'm very pleased with the saw. I put it on a new Skil worm drive by simply removing the saw guard from the worm drive saw and attaching the Prazi in minutes. This cuts clean and faster than a 15" saw and rolling the timbers to cut again. Other reviewers said that you are limited to a few saws and that's bull.
Attaches to a Skil 77 saw quickly(blade on left). I have made straight and angle cut in 6" fir beams with good results. Works well on douglas fir beams. I score the guide line to reduce chip out. A spare chain is a good idea. Make sure you get the right model for your saw.
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