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5/16 in. x 3 in. Hex-Washer-Head Large Diameter Concrete Anchors (15-Pack)

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  • Designed for fastening into solid concrete, brick or hollow block
  • Coated for corrosion protection
  • Cracked and Seismic Approved
  • See More Details
$1987
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Product Overview

Ideal for projects that require heavy-duty holding power, Tapcon plus screw anchors are the stronger, faster and easier masonry anchoring solution. They install in less than half the time of wedge anchors or sleeve anchors and have 20% more holding power. Tapcon plus anchors are suitable for use in concrete, both indoors and outdoors.
  • Works in all masonry-based material including concrete, block or brick
  • Use these screws for a variety of projects including attaching machinery/heavy equipment, industrial shelving, ledger board, pipes, cables and many other fixtures to masonry
  • Climaseal blue coating delivers long-lasting corrosion protection
  • Patented threadform doubles installation speed and delivers 20% more holding power than wedge or sleeve anchors
  • Heavy-duty anchor design instills confidence by allowing for closer anchor spacing and closer to edge installation
  • Reputation for quality, strength and ease of installation from industry professionals
  • Approved for use in ACQ treated lumber
  • Learn more about concrete anchors here.

Info & Guides

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Compare Similar Masonry & Concrete Anchors

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5/16 in. x 3 in. Hex-Washer-Head Large Diameter Concrete Anchors (15-Pack)
3/16 in. x 2-3/4 in. Hex-Washer-Head Concrete Anchors (75-Pack)3/8 in. x 4 in. Hex-Washer-Head Large Diameter Concrete Anchors (10-Pack)
BrandTapconTapconTapconTapcon
Name3/16 in. x 1-3/4 in. Phillips-Flat-Head Concrete Anchors (75-Pack)5/16 in. x 3 in. Hex-Washer-Head Large Diameter Concrete Anchors (15-Pack)3/16 in. x 2-3/4 in. Hex-Washer-Head Concrete Anchors (75-Pack)3/8 in. x 4 in. Hex-Washer-Head Large Diameter Concrete Anchors (10-Pack)
Price
$1497
$1987
$2180
$2792
Ratings
(811)
(214)
(550)
(196)
Fastener Length (in.)1.7532.754
Fastener Head StyleFlatHexHexHex
Fastener/Connector MaterialSteelSteelSteelSteel
Package Quantity75157510
Maximum Weight Capacity (lb.)0000
Finish FamilyBlueBlueBlueBlue
Anchor Diameter (in.)3/16"5/16"3/16"3/8"
Fastener TypeConcrete ScrewsConcrete ScrewsConcrete ScrewsConcrete Screws
View ProductView ProductView ProductView Product

Specifications

Dimensions

Anchor Diameter (in.)
5/16"
Anchor Length (in.)
3
Fastener Length (in.)
3
Required Drill Hole Size (in.)
.25

Details

Color Family
Blue
Fastener Head Style
Hex
Fastener Plating
Zinc
Fastener Type
Concrete Screws
Fastener/Connector Material
Steel
Fastening Base Material
Brick,Cinder Block,Concrete
Features
Coated
Finish
Climaseal blue
Finish Family
Blue
Included
No Additional Items Included
Interior/Exterior
Exterior,Interior
Maximum Weight Capacity (lb.)
0
Measurement Standard
SAE
Package Quantity
15
Product Weight (lb.)
.053
Returnable
90-Day

Warranty / Certifications

Manufacturer Warranty
ITW Brands warrants that this product is free from defects in material and workmanship. ITW Brands' sole liability for any breach of this warranty shall be to replace this product or refund the purchase price.

Questions & Answers

Typical questions asked about products:

  • Is the product durable?
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  • What are the dimensions of the product?

Customer Reviews

  • 4.4
    out of 214 reviews
  • 76% recommend this product
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Showing 1-10 of 214 reviews
Hot Garbage
These bolts, as well as every other Tapcon product I’ve used, aren’t worth your time. They will let you down! These particular anchors snapped off at the head and stripped the threads. Installed them exactly as specified by pre-drilling/cleaning the hole 1/2” deeper than anchor length. For an anchor that is suppose to have a 2700 pullout rating, I wouldn’t trust them to hold much more than their own weight
by HomeOwner
Response from PaslodeApr 13, 2020
Thank you for sharing your feedback. We are sorry to hear that your experience with our product did not match your expectations. Please feel free to call us at (877) 489-2726 or email us at CS@itwbrands.com. We’d like to learn more about your experience and make things right.
2 people found this helpful
See pic. Followed instructions and used the Tapcon masonry bit. Two sheared off while hand tighte...
See pic. Followed instructions and used the Tapcon masonry bit. Two sheared off while hand tightening. Left 2/3 of the screws in two of the holes in the concrete, which is near impossible to fix. Added hours to the work having to remove everything and redrill new position holes. Use this at your own risk.
by 808Rock
3 people found this helpful
Fantastic product if you follow the directions Firmly holds in concrete or blocks
Fantastic product if you follow the directions Firmly holds in concrete or blocks
by MooseMulligan
Worked as expected
Worked as expected
by Doc
Love these anchors. Second time using them. This time I anchor gazebo to concrete patio. Holds ve...
Love these anchors. Second time using them. This time I anchor gazebo to concrete patio. Holds very well. Only wished they came in black. Will paint top later
by
I gave this product four stars only because they are expensive. I bought a Tapcon bit, which work...
I gave this product four stars only because they are expensive. I bought a Tapcon bit, which worked well & has a hexagon shaft so my hammer drill worked well with it. I also have a DeWalt impact wrench, which also worked well. The only problem I had was in using a 12 point socket, which stripped a couple of the screw heads. Go with a six point socket. Finally, make sure you ream out the hole well or the screw will get stuck half way in. The 5/16 inch screw worked perfectly for mounting against bricks in the mortar joint.
by MarkFred
1 person found this helpful
Worked great in patio pavers
I used these screws to attach an aluminum-framed gazebo kit to my paver patio. The instructions on the package call for a 1/4" masonry drill bit; I used a DeWalt bit which worked just fine. I originally had some trouble getting these screws to drive all the way in - even with a 200 ft/lb. torque impact wrench (yeah you can break off the heads) - until I realized I needed to vacuum out the drilling dust from the holes first! I like that these can be removed later if we want to re-position our gazebo. Inside the package is a card with details of the screw's ratings. I was surprised by the very large numbers! 2,785 lbs. pullout and 3,045 lbs. shear strength! Yep! Three of these per leg should hold our little gazebo down just fine!
by dplehman99
4 people found this helpful
First time user - Great, easy to use and effective...
First time user - Great, easy to use and effective
by polyzar
Used the 1/4 in x 3 1/4in for attaching wood to cinder block wall. Holds very tight.
Used the 1/4 in x 3 1/4in for attaching wood to cinder block wall. Holds very tight.
by Midtowne
Hold amazing. Got the job done right...
Hold amazing. Got the job done right
by HomeDepotCustomer
Showing 1-10 of 214 reviews