Hitachi released a cool set of diamond grit bits today for use with materials such as tile, marble, porcelain, and glass. The bit’s hollow, and the outer ring of diamond abrades through the material leaving a core that’s removable via a window in the side of the bit.
Today Hitachi announced the addition of two new products featuring their HXP 18V batteries: the WH18DL impact driver and the WR18DL impact wrench. Both models offer similar features with the impact wrench delivering a bit more torque and a 1/2″ square chuck (for standard 1/2″ drive sockets) as opposed to the driver’s 1/4″ hex chuck.
With more and more cool 1/4″ hex-drive (”quick change”) tools on the market, we’re finally starting to see some killer bit sets hitting shelves as well. Pretty soon you’re gonna have to break down and pick one up.
Hitachi’s 40-piece set caught our eye on a recent trip to the local big-box for some project materials. For $20 (or so), it’s a pretty thorough set.
Joining the recent spate of high-voltage cordless rotary hammers, Hitachi recently added one to their relatively-new 24V line.
The new hammer — the DH 24DVA — is a 3/4″ model using SDS-PLUS locking bits in all three now-industry-standard modes: hammer only, hammer drilling and drilling only. It delivers a no-load speed of 0-1050 RPM (0-520 in “power save” mode) and 0-4500 blows per second (0-2200 in “power save” mode), and weighs in at just shy of 10 lbs.
From what we can tell, you may receive either a 2.0 Ah Ni-Cd or a 3.3 Ah Ni-MH battery. We’ll have to wait to see it on the shelf to find out for certain which we’ll get here in the US.
It ships with a charger, side handle, depth gauge, and plastic case. We couldn’t find current pricing, but since this model essentually replaces the ~$430 DH20DV, we’d expect to find it priced in the same range.
The DH 24DVA Cordless Rotary Hammer [Hitachi]
There’s a great article in the current issue of Woodworker’s Journal (the August issue) about bargain priced miter saws. They review the gamut and select eight that they recommend. Most of them were less than $300, and the list includes the:
Of course, you’ll want to read the article for the details. They point out numerous feature differences between the eight they selected, and it’s quite informative.
And if you don’t have a miter saw in the shop, go get one. They’re incredibly useful even in a small home shop or garage as they take most of the pain out of wood projects!
[Via Woodworker's Journal]
In a pinch, it’s possible to create small-diameter bends in rebar by pulling it around a piece of pipe, but that can get old fast if you’re dealing with a whole house foundation’s worth of it. Hitachi’s VB16Y rebar cutter/bender makes the whole process a lot easier.
When you place a piece of rebar in the VB16Y (perpendicular to its handle) and squeeze the trigger, its electric motor drives a small rotary table via reduction gears to bend the ‘bar around the table’s central vertical rod. You can pre-set the amount of bend, and detents make it easy to set 45, 90, 135, and 180 degree bends.
The VB16Y can also cut ‘bar up to #5 (5/8″) ‘bar, and it features a slip clutch for overload protection.
It’s not cordless, but it still looks like it’d be pretty simple to carry the VB16Y around the job site to bend where needed. Street pricing starts around $2,000.
The VB16Y Rebar Cutter/Bender [Hitachi]
Street Pricing [Froogle]
Hitachi wants to help save your back — if you’re a subfloor, decking, or drywall installer, that is. Their new W6V4SD (gotta love those Hitachi product numbers) SuperDrive Collated Screw System is a low-power corded drill with a 20″ special extension to make driving drywall screws a breeze.
The drill’s 81.5 in-lbs. torque rating is fine for fastener driving, and its 6.6A motor should stand up to heavy contractor use. But what really makes the system cool is its SuperDrive module, which can fasten 3/4″ to 3″ screws without swapping attachments. The module also uses the Makita’s LOX bit system, which provides 8 contact points between the bit and screw to perform the same fastening tasks with less user downpressure.
The drill, extension, and SuperDrive module are all covered in a soft elastomer compound, which provides a solid and comfortable grip.
Street pricing starts around $255.
The W6V4SD 4,500 RPM SuperDrive Collated Screw System [Hitachi-Koki]
Street Pricing [Froogle]
Hitachi recently announced the CM4SB2 110mm diamond cutter to replace the CM4SB and CM4SA2 models. The CM4SB2 features increased power (1320W, or 11.6A current at full load on a 120v circuit) and no-load rotation speed (11,500 RPM), which should help speed it through stone of all types.
It also features an improved armature coil that, Hitachi says, increases motor life by resisting vibration and dust, as well as an upgrade to Hitachi’s “mean green” new look.
Pricing is not yet available.
CM4SB2 Cutter [Hitachi Koki]
Hitachi Koki recently released a new line of plunge routers all featuring a unique new design. According to Hitachi:
Thanks to the Hitachi’s unique design, the inertia moment of the armature — that is an element for increasing the cutting efficiency — is increased and top-in-class cutting speed is obtained.
Ok, we worked that over a little bit as it was clearly mechanically translated from another language. Trust us, the meaning is the same.
New models in the line include the M12V2 (1/2″ w/variable speed), the M12SA2 (1/2″ single speed), the M8V2 (1/4″ w/variable speed), and the M8SA2 (1/4″ single speed).
We can’t find street pricing yet for these units, but we’re going to bet they’re priced along the same lines as the current models.
Hitachi’s New Routers [Hitachi]
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