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ProMaster™ Saw Tooth Wood Screws - Finally, Screws that Actually CUT their Own Pilot Hole! Take a look at the most revolutionary thing to happen to screw threads in a very long time! You don’t need to look too closely to see that threads near the tip have saw toothed scallops in them. These scallops help the thread actually cut its way into the wood, and help prevent splitting. In fact, recent testing of various lengths driven into a maple block revealed no splitting, unlike both the standard point and Auger Point screws driven into the same block. Even better, manufacturer’s tests show that holding power is increased as well! Should you still drill a pilot hole? For fine cabinetry, I would. After all, the screw is still acting like a wedge to force the wood fibers apart. Drilling a pilot hole removes the excess material, so the screw’s sole function is clamping. #2 Combo Recess. Made in China under US patents.
(based on 2 reviews)
Reviewed by 2 customers
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Worked without drilling for the head.
Comments about 8 x 2 ProMaster Wood Screws, Unplated Steel, Flat Head, Combo Drive:
I pre drilled the cherry face frames, so I never tested it's self-taping ability, but I did not counter sink the head and the screws set just right. Usually I counter sink, but that's not possible using the hole in the pony cabinet clamps. The screws worked great, I'm certain lesser screws wouldnot have.
Bottom Line Yes, I would recommend this to a friend
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sq drive screws
About Me Avid Do-It-Yourselfer
Used for any of my woodworking projects.What I like about these screws is that they do not shear off even with higher torque.The ones you buy at the big box or even local hardware stores are not good quality at all. I have never had a problem with Mcfellys screws.This review is for all the various sizes that I use