• (1) Large Quick Change Arbor, 3/8 in.
• Tool-free operation
• Universal, quick change with all brands of hole saws
• No adapters required
• Durable hardened steel construction
• Fits all hole saws 1-1/4 in. and larger
• Fits all drill chucks 3/8 in. and larger
• Size Range 1-1/4 in. & Larger
• Shank Size 3/8 in.
• Special Feature Quick Change
Milwaukee® hole saw arbors are made from hardened carbon steel and alloy steel for greater durability. The 49-56-7250 features a hex shank which can be used with any 3/8 in. extension. The 49-56-7250 also features a drive plate with an enlarged grip area for easier operation.
Like many reviews, I really liked this setup, but not knowing any better I started playing with the set screw, I thought I had it all dialed back in, but after using it a couple times, and realizing the saw threads were just locking down, I checked the set screw. Sure enough, the innards (set screw, spring, ball bearing) are all gone, so now it's time to try to find replacement parts.
I'm saying I would recommend it, but only if I could tell that person to be careful with the set screw.
First, pull DOWN on the largest part of the shaft until it moves about 1/2 inch. Screw on your hole saw. Before you are done, unscrew it just a tiny bit so that the guide holes are aligned.... Now just pull UP on the shaft to lock it into place.
Looking to purchase, Can this be use with diamond hole saw for tile?
As a cabinet maker, hole saws are an invaluable tool. I have used these since the day they were first available, because of the speed and convenience.
I recently lost he set screw , spring , & bearing for the collar, and had to order a new set from Milwaukee customer support. Since this info doesn't appear to be anywhere online, here you go:
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