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CONFAST

CONFAST 1/4" x 2-3/4" Blue Flat Phillips Concrete Screw Anchor with Drill Bit for Anchoring to Masonry, Block or Brick (100 per Box)

    • Based on 139 reviews
Condition: New
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Availability: In Stock.
Fulfilled by Amazon
Arrives Wednesday, May 15
Order within 6 hours and 39 minutes
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Features

  • BIT INCLUDED IN EACH BOX-Proper bit equals improved holding values and reduced cost
  • BIT INCLUDED IN EACH BOX-Proper bit equals improved holding values and reduced cost
  • FLAT PHILLIPS HEAD--Can be driven with Phillips Screw Driver
  • SELF-TAPPING-Taps threads directly into masonry and requires no other anchor
  • DIAMOND POINT-Easier to drive the screw to save time

Description

ApplicationsThe anchor is made from Carbon Steel, and is Blue. This anchor is designed for use in Concrete, Block, and Brick.EnvironmentThe anchor is designed for use in a Dry environment.Head Style The anchor is a Flat Countersunk Phillips head and is designed to prevent the head from protruding above the surface of the item being attached.Hole Diameter/Bit DiameterThe anchor requires a 3/16" hole to be drilled in the base material (Concrete, Block, and Brick). The hole should be drilled with carbide tipped bit that meets ANSI standards and used in a hammer drill.Driver RequiredA 3 phillips bit is required for driving the anchor into the base material.Diameter of Anchor The diameter of the anchor is 1/4".Length Anchor The length of the anchor is 2-3/4"Thread LengthThe length of the threads on the anchor is 1-3/4" in length.Minimum EmbedmentThe minimum anchor embedment into the concrete is 1". Therefore, the anchor must be installed so that a minimum of 1" of the anchor is embedded into the concrete.Maximum Fixture ThicknessThe maximum fixture thickness or the maximum thickness of the material being fastened for a anchor is 1-1/4" to 1-3/4". This will ensure that the minimum embedment of 1" will be met.Fixture Hole DiameterThe hole in the fixture or material being fastened must be larger than the designated diameter of the anchor. The 1/4" diameter anchor requires the hole in the fixture to be 5/16".Spacing between AnchorsEach anchor must be spaced a minimum distance of 4" from each other when measured center to center.Edge DistanceIt is very important not to install the anchor any closer than 3" from an unsupported edge of the concrete.


Package Dimensions ‏ : ‎ 5.91 x 4.21 x 2.52 inches; 2.52 Pounds


Date First Available ‏ : ‎ May 17, 2017


Manufacturer ‏ : ‎ CONFAST


Country of Origin ‏ : ‎ China


Best Sellers Rank: #39,086 in Industrial & Scientific (See Top 100 in Industrial & Scientific) #28 in Concrete Screws


#28 in Concrete Screws:


Customer Reviews: 4.5 out of 5 stars 139 ratings


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Wednesday, May 15

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews

    • Performed as described.
Worked as well as the more expensive Tapcon brand.
Reviewed in the United States on December 13, 2022 by Jim
    • The Phillips head screws are better than hex head
The Phillip head screws are much better than the hex head type. The included drill bit lasted 5 seconds before it smoked. The screws held tight.
Reviewed in the United States on February 4, 2022 by MikeByTheSea
    • Unreliable compared to tapcons
These are nearly impossible to drive all the way into concrete. I bought a box and used them to secure 2x4s and they seemed difficult, but not too terrible. The impact driver would frequently jump out of the screw. Months later, I then tried to secure an elfa top bracket into concrete, which means driving it 1.5" deeper than before. EVERY single screw either stopped driving or the impact driver jumped out. I am doing everything I did with tapcon. I drill with a 3/16" SDS bit an inch deeper than the screw then vacuum out the hole. I then drive the screw with a square bit using a newer high end DeWalt impact driver set on the 2nd speed. Tapcons weren't easy, but weren't THAT much worse than wood screws. These, I have to lean into the driver an unsafe degree. I tried using new screw bits and the fancy impact bits, just lots of frustration and marks on the wall from when the impact driver jumped out of the screw. I tried varying the speed, but with confast, the impact driver is either going too slow to move or the driver jumps out of the screw head and damages everything. I gave up in frustration and bought a box of tapcons and was able to finish the job with no drama, maybe 1 screw jump total out of 10 instead of 3x per screw. I ruined like 6 screw bits and probably 15 screws messing around with CONFAST...not the biggest of deals, but nothing I've ever seen before. So if you're buying CONFAST, only drive small screws. Also, buy a ton more than you actually need and only use them on things you want to mount the wall that you're not worried about damaging when they seize up in your wall and your impact driver jumps out. ... show more
Reviewed in the United States on September 28, 2021 by Alli Baba
    • Excellent quality and very strong
These are excellent quality screws for concrete work. Drilled the 3/16” hole with my hammer drill and they screwed right in. Did about 45 and not a single one broke or stripped the head. I will say that although the drill bit came with the screws it is not a high quality bit. So if you are going to be drilling a lot of holes you would do well to purchase a higher quality bit. After about 20 holes I noticed it did not cut into the concrete as well. I changed the bit and I was back in business. ... show more
Reviewed in the United States on July 7, 2021 by Nancy
    • Very Satisfies
Received a 100 batch of the 1/4" x 2 /34" concrete screws...have not utilized yet, however, they sure look good...came with a drill bit, too. Arrived in a timely manner, very pleased.
Reviewed in the United States on February 5, 2022 by Adam A. Young
    • Worked Great
Purchased a 100 for just a little more than you can buy 25 Tapcon's. Did not use the supplied bit because I needed a longer bit. Used to mount shutters to a brick wall. I used a 20v Dewalt hammer drill, and set the screw using the 20v impact. Worked like a charm. Be sure if you get the Phillips head fastener that you use a #3 Phillips bit or you stand a good chance of stripping the head. ... show more
Reviewed in the United States on October 9, 2020 by dubstermac
    • Work awesome!
Ive been using these fasteners for years and they never fail to get the job done! I have no complaints about them. If you need to fasten something into masonry these will be what you want!
Reviewed in the United States on January 19, 2021 by Shane K.
    • Great
Yea they really do hold strong. But I cant seem to get them to go all the way into the concrete. It goes in deep and leave 1" sticking out, so the screw does not seat. i'm not sure whats the problem here .. I checked the depths of the holes and they are deep enough to hold the full length of the screw. ... show more
Reviewed in the United States on April 16, 2019 by Carl Williams

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