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DeWALT Owners Group « DEWALT POWER TOOL DISCUSSIONS « DEWALT ACCESSORIES « Dewalt: Hole Saws vs. Sellf-feed Bits vs. Spade Bits
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Author Topic: Dewalt: Hole Saws vs. Sellf-feed Bits vs. Spade Bits  (Read 2674 times)
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« on: November 12, 2009, 09:42:44 PM »

Self-feed & spade bits do appear to drill faster than a hole saw.  Hole saw seems to burn through the wood instead of cut it.   Why use self-feed bits instead of hole saws or spade bits?  I would think the hole saws would give a cleaner cut.  What would be the positives and negatives of each?



« Last Edit: November 12, 2009, 10:10:18 PM by Steven » Logged
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« Reply #1 on: November 22, 2009, 04:04:59 PM »

Spade bits and self-feed bits are great for times when you need to drill something deep quickly. 2x4, 4x4, or deep posts like utility posts. The problem is, spade and self-feed bits tend to break-through and leave a bad finish on the exit side, more-so than hole-saws. If I were drilling sheet goods, I would reach for a hole saw. Also, hole saws are multi-material. Sheetrock, metal, wood, plastic, etc. Spade and self-feed - best to stick with wood most of the time.
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« Reply #2 on: January 11, 2010, 07:48:33 PM »

Are the self-feed good for counter tops, or will they damage the surface ?
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« Reply #3 on: January 12, 2010, 03:36:24 PM »

Self feed bit's are not for finish work. What material are you drilling through? I'm assuming your talking about some type of Formica product??
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« Reply #4 on: January 12, 2010, 03:47:48 PM »

Arborite/Formica
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« Reply #5 on: January 12, 2010, 05:00:07 PM »

Everyone has a method of choice... Mine is clamping a piece of wood to the top surface then drilling it through the bottom with a hole saw bit.
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