Model # 100101

Internet #203533402

Store SKU #489745

GRK Fasteners #9 x 2-1/2 in. Star Drive Bugle Head R4 Multi-Purpose Wood Screw (300-Pack)
0628611001010

GRK Fasteners

#9 x 2-1/2 in. Star Drive Bugle Head R4 Multi-Purpose Wood Screw (300-Pack)

$20.78 /each

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Product Overview

GRK’s R4 Self Countersinking screw has 6 self-contained cutting pockets which act like a router and transport the drill dust away from the edge of the screw hole. They also widen the countersink hole only around the head shape. The screw head top closes the hole exactly, leaving no damaged fibers around the wider area of the head.

  • For use in wood, particle-board, cement fiberboard, plastic, sheet metal
  • Self-tapping
  • No pre-drilling
  • No stripped heads

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Customer Questions & Answers

#9 x 2-1/2 in. Star Drive Bugle Head R4 Multi-Purpose Wood Screw (300-Pack)
#9 x 2-1/2 in. Star Drive Bugle Head R4 Multi-Purpose Wood Screw (300-Pack)

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could you used it for treated wood

This question is from #9 x 2-1/2 in. Star Drive Bugle Head R4 Multi-Purpose Wood Screw (300-Pack)
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July 2, 2016
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Asked by
Frisco, TX, USA
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Home Improvement Profile: DIYer
July 5, 2016
Answer: 
Absolutely. They are multi-purpose, not single purpose. They are very good and hold quite well.
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July 5, 2016
Answer: 
The screws can be used on treated wood.
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Customer Reviews

Rated 4.9 out of 5 by 16 reviewers.
Rated 4.0 out of 5.0 by Great multi-purpose screw This is a very nice product. The tip of the screw has a cutting edge in it to allow you to skip pre-drilling the hole. The head is fluted to self counter sink in wood. The screws require a torx bit which is included in the pail. The pail lid has a place to hold the bit. I drove screws in 2x4s with a battery drill. Once the tip of the screw bit into the wood, the screw drove all the way through the wood quickly, smoothly and easily. Driven into the end of the 2x4 they sank nice and clean. Driven into the side of the 2x4 there was some splitting and tearing of the wood. The lid of the pail keeps popping off when I try to open it which is an indication of poor pail design but the screws themselves are excellent. December 27, 2014
Rated 4.0 out of 5.0 by Good multi-purpose screws These are decent multi-use screws for larger projects. I'm giving them four stars because the packaging is not so good. While that may not be a big deal in some cases, this is a case of 300 screws, and a cracked case means screws spill everywhere if you aren't careful. They're long enough to where I was able to secure a few extra 2x4s in the ceiling in my media room so that I could properly hang a projector securely. They are pretty much self tapping and even in the cramped space of the attic, it was relatively simple to get the screws in and get out of there. Overall, I think the product works as designed and will hold for years. It was the shipping that was killer on these as I'm left with a baggie of screws now. January 6, 2015
Rated 5.0 out of 5.0 by Great Multi-Purpose Fastener I used these screws while repairing a wood fence around our property. Also used them on a couple of other small projects. They really work well. They start into the material better than other screws I have used in the past. Ran in well and the heads counter sunk themselves without pre-drilling. I was not real excited about the star pattern in the head of the screw because it causes you to have to carry a special star bit in your drill/driver. Even though they supply a bit with the box of screws, I would rather have seen a traditional Phillips or square driver pattern on this smaller multi-purpose screw. I believe that would have made it more compatible with the tools most people carry. However, that is the only negative and I still would recommend these screws. December 3, 2014
Rated 5.0 out of 5.0 by Great Fasteners..! I'm always making something or building something, and I've found that most boxes have some screws with a deformity or too much coating, and the bit just wont fit. This is the first fastener I've used where the bit fits properly in the head with every screw. Great quality control. The design works as advertised, and the countersink/cleaning capability leaves the screw head flush and clean every time. I've had more than one head break off a screw while penetrating seasoned Oak, but these are obviously very strong, and really take the torque. No breakage..! I don't understand using the "star" bit pattern on the head, as I find that style of bit to be a bit weaker than others, but I haven't broken a bit yet. This will work..:~) September 7, 2014
Rated 5.0 out of 5.0 by Great quality multi use fastener These are good quality screws for all types of wood applications. They have a cutting type groove on the tip that let screw easily bite into wood and drive easily. I used to but cheap screws and all I had was frustration and stripping heads. This star design and toughness eliminates the stripping. I used on a few projects around the house and find them handy to have around January 14, 2015
Rated 5.0 out of 5.0 by Great workmanship in these crews GRK is fast becoming my favorite manufacturer of high quality multipurpose screws. I have used their 3" ones for a while and they really differ from prior screws I have used. The hedd bites firmly so that it self seats in the project. They are especially useful in decking and other projects where one wants the screw to be hidden. The price is right and I plan on purchasing other sizes/lenghts from Home Depot. December 20, 2014
Rated 5.0 out of 5.0 by Pretty Cool I seems a little silly to get excited about screws, but these things are pretty cool. The self tapping feature is impressive and really does work as I've had no issues driving these things in without pre-drilling. The star drive is obviously a big plus too. I watched the video that shows a screw being driven through two boards so I had to try it myself and sure enough it's a piece of cake. December 30, 2014
Rated 5.0 out of 5.0 by Great Screw One glance at the "engineered" look of the screw and I was curious, a 100 screws later I am convinced that it is a "better mouse trap". The split point starts easily (even in seasoned wood), the conventional section of the thread drives well, the spiral portion and "self countersink" head complement the works, with a strong hold and flush seating. The star socket is well worth making sure that you have a T-25 bit handy. October 27, 2014
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