0092097352070

Red Head

Model 35207

Internet #203064111

Store SKU #634518

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

$14.53 /each

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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, eletrical 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 overhead applications

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Customer Questions & Answers

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Customer Questions & Answers

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

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1 answer

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

This question is from 1/4 in. x 3 in. Hammer-Set Nail Drive Concrete Anchors (25-Pack)
Asked by
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September 12, 2016
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Answer (1)

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September 15, 2016
Answer: 
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 Read More
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. Read Less
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1 answer

Use of Product

This question is from 1/4 in. x 3 in. Hammer-Set Nail Drive Concrete Anchors (25-Pack)
Asked by
Tampa, FL
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August 30, 2016
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?
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August 31, 2016
Answer: 
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.
Read More
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. Read Less
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1 answer

How can I remove these?

This question is from 1/4 in. x 3 in. Hammer-Set Nail Drive Concrete Anchors (25-Pack)
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August 21, 2016
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August 22, 2016
Answer: 
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.
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1 answer

Can this be used to mount 2x4 to ceramic tile floor (drill through tile and thinset)?

This question is from 1/4 in. x 3 in. Hammer-Set Nail Drive Concrete Anchors (25-Pack)
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July 17, 2016
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July 21, 2016
Answer: 
Hello Josh,
We appreciate your question. The hammer-set nail drive concrete anchors can be used to fasten 2x4 lumber to concrete, block, or brick base substrates. Please ensure that one of the three base material mentioned are beneath the tile and thinset and the the minimum embedment is met. The minimum embedment for a 1/4" diameter hammer-set is 3/4". embedment is measured from the split (wedge) tip, Read More
Hello Josh,
We appreciate your question. The hammer-set nail drive concrete anchors can be used to fasten 2x4 lumber to concrete, block, or brick base substrates. Please ensure that one of the three base material mentioned are beneath the tile and thinset and the the minimum embedment is met. The minimum embedment for a 1/4" diameter hammer-set is 3/4". embedment is measured from the split (wedge) tip, not the mushroom head. The actual dimensions of 2x4 lumber usually measured 1.5" x 3.5". Assuming you are attaching from the 1.5" side and minimum embedment is .75"; this will leave .75" for the thinset and tile floor thickness. Please make sure that the thinset and tile floor does not exceed .75" or the anchor will not meet minimum embedment.
I hope I was able to answer your question. Please contact customer service at 877-489-2726 if you have additional questions. Read Less
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Customer Reviews

Rated 5.0 out of 5 by 1 reviewer.
Rated 5.0 out of 5.0 by 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. July 12, 2016
  • 2016-09-08 T11:13:07.622-05:00
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