Model # 35207

Internet #203064111

Store SKU #634518

Red Head 1/4 in. x 3 in. Hammer-Set Nail Drive Concrete Anchors (25-Pack)
0092097352070

Red Head

1/4 in. x 3 in. Hammer-Set Nail Drive Concrete Anchors (25-Pack)

  • Suitable for fastening in concrete, block and brick
  • Ideal for attachment of drywall track, electrical boxes and more
  • Works with 1/4 in. drill bit (sold separately)
$1497 /each
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Frequently Bought Together

Product Overview

The Hammer-Set anchor is a mechanical drive anchor consisting of a zinc die cast expansion body and zinc plated steel expander drive pin. Hammer-Set anchors are medium-duty anchors designed for a variety of fastening applications in concrete, block, and brick. Use Hammer-Set anchors to attach drywall track, electrical boxes and clips, flashing, lumber and more.

  • Works in concrete, block, and brick
  • Great for fastening electric boxes, conduit clips, roof flashing, plywood and 2 x lumber
  • Fast, easy installation
  • Install through material to be fastened
  • Low profile mushroom head
  • For indoor and outdoor use
  • Not for use in overheadĀ applications

Info & Guides

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Specifications

Dimensions

Details

Warranty / Certifications

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Customer Questions & Answers

how much weight can these realistically support?

I'm hanging a 2'x4' board the will have bathroom tiles on it (in memory of passed members of a local non profit) Im thinking, max weight if full would be ~30 lbs. would one of these on each corner be able to support this?
Asked by: Nate
Hello Nate, This is a great question. I want to make sure you understand that the 1/4 in. x 3 in. hammer-set nail drive Red Head anchors are designed for concrete, block and brick floor and wall applications only (not designed for overhead). These anchors should have no problems supporting 30 pounds static tension and shear loads as long as the anchor gets 3/4 embedment (as measured from the split end). At 3/4 inches of embedment, one of the 1/4 in. x 3 in. RedHead hammer-set concrete anchors is capable of safely supporting a static tension load of 220 pounds and static shear load of 242.5 pounds in 4,000 PSI solid concrete. If you have additional questions about your application, please visit our website at www.itwredhead.com. or contact our Technical Support Team for additional information. They are available at 800-726-7386 from 8:30 - 4:30 CT Monday - Friday.
Answered by: Paslode
Date published: 2017-04-05

Can I use these to fasten PT lumber to cement block in an outdoor location?

Asked by: Sully
Hi Sully, Unfortunately the 1/4" x 3" hammer-set nail drive anchors do not have the appropriate corrosion protection coating for pressure treated lumber. We recommend using Tapcon which is approved for ACQ treated lumber or a stainless steel Tapcon. The Tapcon comes in a 1/4" dia. x 3-1/4". Please contact our Technical Support Team for additional information. They are available at 800-726-7386 from 8:30 - 4:30 CT Monday - Friday.
Answered by: Paslode
Date published: 2016-09-15

Use of Product

So, these require no pre drilling? I am mounting a lightweight aluminum faced sign. I will pre drill four corner holes to line up with the masonry location. Are they simply hammer into place? What is sleeve diameter?
Asked by: Mystery68
Hi Mystery 68, The 1/4" x 3" hammer-set nail drive concrete anchors require you to pre-drill. These require a 1/4" diameter carbide tip concrete drill bit. 1. Drill proper size hole through material to be fastened into base material. 2. Clean hole of dust. 3. Insert Hammer-Set into hole until head of anchor body is flush with material to be fastened. Tap the nail until flush with head of anchor. Ensure minimum embedment is 1/4" deeper than anchor embedment. Be sure head is firmly against fixture. Please contact our Technical Support Team for additional information. They are available at 800-726-7386 from 8:30 - 4:30 CT Monday - Friday.
Answered by: Paslode
Date published: 2016-09-08

How can I remove these?

Asked by: erica
Hello Erica, The hammer-set nail drive anchors are not meant to be removed, but our technical service team may be able to assist you with your application. You can contact our technical service team at 800-848-5611 from 8:30 - 5:00 CT Monday - Friday.
Answered by: Paslode
Date published: 2017-07-15
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Customer Reviews

1/4 in. x 3 in. Hammer-Set Nail Drive Concrete Anchors (25-Pack) is rated 5.0 out of 5 by 2.
Rated 5 out of 5 by from RedHead Bolts R GR8! I have found that Red Head anchors which you install "Chicago-style", i.e. with a hammer; install easier than the screw-type anchors that often come with a product. Where screw-type anchors often get twisted off (especially in older concrete that is pre-1991), leaving you with the headache of extracting the remaining shaft. With RedHead's, just insert in the hole, tap into place on the lower collar with a common screwdriver, and then WHAM! one or two hits directly on the head, and job done! Don't ask me to explain the diff 'tween 'old' and new concrete, all I know is working in older concrete or bricks isn't a problem for me anymore.
Date published: 2016-07-12
Rated 5 out of 5 by from Easy and reliable Used these to attach pt bottom plate to concrete slab. Seem to have an excellent hold on this type of application. Nice that you can tap them in lightly partway and still get them back out if needed. I drilled very close fitting holes right through the wood and concrete together with a rotary hammer and blew all the debris out before installing. Though very solid in shear (sideways forces) I don't think id trust them if pull out was a possibility.
Date published: 2016-12-05
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