Wej-it Fastening Systems
Wej Con Hex Head Blue
Wej Con Hex Head Blue

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Wej-Con® Concrete Screw

Heat-Treated Carbon Steel with Blue R-Blocker Coating

The highest-strength concrete screw has v-notched, high-low threads for anchoring into concrete, masonry, and brick. The advanced R-Blockercoating offers exceptional test results in salt spray testing. Wej-Con concrete screws install quickly in a pre-drilled hole and can be removed and reinstalled.



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Materials / Finishes

  • Heat-treated carbon steel with blue or white R-Blocker coating
  • 410 stainless steel with silver R-Blocker coating
  • 304 stainless steel with no coating

Features and Benefits

  • Wej-It R-Blocker coating provides superior salt spray resistance
  • Blue and white finishes provide 1000+ hours salt spray resistance per ASTM B117
  • Silver finish provides 1500+ hours of salt spray resistance per ASTM B117, ACQ-compatible
  • V-notched high-low threads ease installation and increase pull-out values
  • Slotted hex washer or Phillips flat heads available
  • Drill bit included
  • Can be removed and reinstalled as often as necessary
  • No expansion forces are applied to base material resulting in shorter spacing and edge distance requirements
Installation
Part Numbers
Catalog Number
Anchor Size
Drill Bit Dia.
Drive Size
Box Quantity
Carton Quantity
FCS3611
3/16 x 1-1/4
5/32
#2 - Phillips Flat Head
100
600
FCS3613
3/16 x 1-3/4
5/32
#2 - Phillips Flat Head
100
600
FCS3621
3/16 x 2-1/4
5/32
#2 - Phillips Flat Head
100
600
FCS3623
3/16 x 2-3/4
5/32
#2 - Phillips Flat Head
100
600
FCS3631
3/16 x 3-1/4
5/32
#2 - Phillips Flat Head
100
600
FCS3633
3/16 x 3-3/4
5/32
#2 - Phillips Flat Head
100
600
FCS3640
3/16 x 4
5/32
#2 - Phillips Flat Head
100
600
FCS1411
1/4 x 1-1/4
3/16
#3 - Phillips Flat Head
100
600
FCS1413
1/4 x 1-3/4
3/16
#3 - Phillips Flat Head
100
600
FCS1421
1/4 x 2-1/4
3/16
#3 - Phillips Flat Head
100
600
FCS1423
1/4 x 2-3/4
3/16
#3 - Phillips Flat Head
100
600
FCS1431
1/4 x 3-1/4
3/16
#3 - Phillips Flat Head
100
600
FCS1433
1/4 x 3-3/4
3/16
#3 - Phillips Flat Head
100
600
FCS1440
1/4 x 4
3/16
#3 - Phillips Flat Head
100
600
FCS1450
1/4 x 5
3/16
#3 - Phillips Flat Head
100
600
FCS1460
1/4 x 6
3/16
#3 - Phillips Flat Head
100
600
HCS3611
3/16 x 1-1/4
5/32
5/16"- Hex Washer with Slot
100
600
HCS3613
3/16 x 1-3/4
5/32
5/16"- Hex Washer with Slot
100
600
HCS3621
3/16 x 2-1/4
5/32
5/16"- Hex Washer with Slot
100
600
HCS3623
3/16 x 2-3/4
5/32
5/16"- Hex Washer with Slot
100
600
HCS3631
3/16 x 3-1/4
5/32
5/16"- Hex Washer with Slot
100
600
HCS3633
3/16 x 3-3/4
5/32
5/16"- Hex Washer with Slot
100
600
HCS3640
3/16 x 4
5/32
5/16"- Hex Washer with Slot
100
600
HCS1411
1/4 x 1-1/4
3/16
5/16"- Hex Washer with Slot
100
600
HCS1413
1/4 x 1-3/4
3/16
5/16"- Hex Washer with Slot
100
600
HCS1421
1/4 x 2-1/4
3/16
5/16"- Hex Washer with Slot
100
600
HCS1423
1/4 x 2-3/4
3/16
5/16"- Hex Washer with Slot
100
600
HCS1431
1/4 x 3-1/4
3/16
5/16"- Hex Washer with Slot
100
600
HCS1433
1/4 x 3-3/4
3/16
5/16"- Hex Washer with Slot
100
600
HCS1440
1/4 x 4
3/16
5/16"- Hex Washer with Slot
100
600
HCS1450
1/4 x 5
3/16
5/16"- Hex Washer with Slot
100
600
HCS1460
1/4 x 6
3/16
5/16"- Hex Washer with Slot
100
600
concrete screw installation
  1. Use the correct size masonry drill bit (one included in every box) and drill the hole at least 1/4" deeper than the calculated embedment depth.
  2. Clean the hole using a nylon brush and compressed air.
  3. Place the anchor point through the fixture into hole.
  4. Drive the anchor in a single continues motion until the anchor is set firmly against the fixture.

It is recommended that a minimum of 1" and a maximum of 1-3/4"

NOTE: Always wear safety glasses. Normal safety precautions should be observed when drilling the holes to avoid electrical installations, other utilities and reinforcement bars.