Average Reviews:
(More customer reviews)I was surprised to find that there is a paucity of drill attachments for handhelds to help drill straight holes. This one does a fair job of addressing the problem.
The chuck is 3/8", so larger bits will not work. Assembly is straightforward, as the handheld drill attaches to the top spindle and rides on two springed rods.
The base is not too steady as it's not completelty flat. There are too many allowances for screws and the like that make the base unstable. The handle works somewhat, but it can rock a bit while drilling.
The chuck is keyed. A keyless would have been nicer. It also has about 1/16" play, which means that the hole is not exactly at the center. The depth stop is collar that can be tighetened on the rod.
The springs on the rod are fairly hard, perhaps too hard. Furthermore, the depth stop stops the drill when the springs are completely compressed, requiring quite a bit of force, all while trying to hold the base steady. I removed the springs and it works much better.
This guide does a better job of drilling a straight hole than just doing so freehand, but is no replacement for a drill press. The concept is fine, but it needs some redesigning to work better. A DIY fix would be to attach a larger base to the bottom.
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Wolfcraft 4525 Drill Guide Attachment for 1/4-Inch or 3/8-Inch DrillsThe Wolfcraft Drill Guide can be used in horizontal, vertical or angle positions, and fits all 1/4-inch or 3/8-inch drills. The Guide-bars themselves have springs for a quick return when doing repetitive drilling, while drill adapter itself slides up and down on guide-bars. Angle positions can go up to 45 degrees, and rubber pads in the base hold the guide in place while drilling. The guide also includes spring loaded depth stops.
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