Starrett XA2 Quick-Hitch Arbor with Carbide Tipped Pilot Drill
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Selected User Reviews For Starrett XA2 Quick-Hitch Arbor with Carbide Tipped Pilot Drill
I expected more from this arbor, given how good Starrett tools are in general and how expensive they are. I have similar arbors from Milwaukee, Bosch, and Diablo, but I chose this Starrett because it included a carbide pilot bit that I could store with my diamond hole saws in the box. As it stands, this arbor is practically unusable. I oiled it and worked it back and forth a few times to loosen it up because it was stiff right out of the package. It's nearly impossible to engage the saw's locking pins without using a tool or hammering the locking collar when it's on a hole saw (also from Starrett). I used it on two or three holes before abandoning it because the job required frequent hole saw changes and this arbor was wasting too much of my time. I finished the job (24 large diameter holes in limestone) without using the locking pins, but that resulted in the saws jamming on the arbor threads, wasting even more time. Made in China, appears to be poor QC. I'll lubricate it and see if I can get it to work, but if not, I'll send it back.
It's simple to use, and it's reasonably priced. One size is for a 1/2 inch drill, while the other is for smaller drills. Make certain you purchase the correct one. There is a set screw that must be tightened or the hole saw will spin, as well as a sliding part with two pins that secures the hole saw. They should have given some instructions, but they shouldn't have been too difficult to follow.
This is the arbor with pilot bit that Starrett recommends for use with their diamond hole saws (those with two holes for the arbor's drive pins). The carbide-tipped bit, on the other hand, will not cut like a diamond. Ceramic tiles can be drilled with it, but porcelain and glass cannot be drilled with it. A diamond core drill will be needed to drill a pilot hole in these materials. To keep the diamond hole saw from wandering, the carbide-tipped bit can ride in this hole. Also, once the hole saw is snugged up on the threads with this type of arbor, the drive pins must be aligned with their mating holes by backing off a bit. This usually indicates that the hole saw is not firmly attached to the arbor. When drilling difficult materials like tiles and glass, which dislike chatter, this is a recipe for disaster. To eliminate all play, place shims between the hole saw and the arbor (leaving the drive pin holes unobstructed).
This worked perfectly. br>br>In combination with Starrett KD0200- N Diamond Holesaw is a type of holesaw that is used to cut holes in While running a French drain pipe into an existing drainage pit/line that runs to the street near my property, I was able to drill a hole through brick and concrete. I used a Dewalt 20V cordless drill to connect it to this. br>br>The arbor easily held the massive holesaw in place, and there was no need to rig it or anything. br>br>I had no problems or concerns with this arbor, and I would purchase it again if the need arose. It, like the Arbor, functioned flawlessly.
Check that your drill has a wide enough chock to hold the tool. Holds the hole saw in place so it doesn't wobble when cutting extremely hard wood.
see above.
ARBOR DESIGN IS NOT YOUR AVERAGE AVERAGE AVERAGE AVERAGE AVERAGE AVERAGE AVER WHEN LOOSENED, MOST UNSCREW SO THAT THE PINS ARE NOT IN THE COLLAR AT ALL. THE KNURLED HANDLE ON THIS ONE, WHICH COMES WITH NO INSTRUCTIONS, MAKES YOU WANT TO UNSCREW IT. DOING SO WILL KILL THE ARBOR, AS IT DID IN MY CASE. INSTEAD, THE HANDLE RETURNS TO THE CYLINDER, BUT THE PINS DO NOT CLEAR THE COLLAR. TO CONNECT THE ARBOR TO THE HOLE SAW BIT, A SMALL AMOUNT OF THREAD IS USED INSTEAD. THE HANDLE THEN CLICKS BACK INTO THE COLLAR, ALLOWING THE PINS TO GO THROUGH THE CORRECT HOLES IN THE HOLE SAW BIT. IF IT HAD INSTRUCTIONS, IT WOULD PROBABLY BE SUITABLE. I'VE USED MANY ARBORS AND NEVER SAW ONE AS BEAUTIFUL AS THIS ONE, SO THE MISTAKE WAS A TRUE ONE. I CHECKED BOTH THE HOLE SAW AND THE ARBOR WRAPPER FOR INSTRUCTIONS, BUT THERE WERE NONE. br>br>THE SMALL AMOUNT OF THREAD USED TO HOLD THE HOLE SAW BIT ONTO THE ARBOR, ON THE OTHER HAND, IS MY MAIN COMPLAINT. I'D RATHER SEE THE 3 PLATE TYPE THAT MOST PEOPLE USE, AS THIS ASSUMES THAT THE HOLE SAW HAS A VERY POSITIVE CONNECTION TO THE ARBOR. In a nutshell, I WOULD NOT RECOMMEND THIS SYSTEM FOR LONG-TERM USE.
We weren't surprised because it was a hard brick, and we'd buy another if we needed to.
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