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Industrial Hardware and Specialties is classified as an ESSENTIAL business and is fully operational.

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Concrete

hexhead
flathead

Slotted Indented Hex Washer Head, Hi-Low, Notched Threads, Diamond Point, Blue Ceramic Coating

  • Notched threads for cutting into concrete, brick and cement block
  • Hi-Low thread pattern creates higher pullout tolerances
  • Diamond point design cuts and clears debris during installation for better thread engagement
  • Blue ceramic coating exceeds 500/hrs. salt spray resistance
  • ACQ compatible
  • Meets ASTM A 510 for carbon steel manufacturing
  • Miami-Dade County Product Control Approved. NOA-15-0930.14
Installation
Attaches wood or metal to concrete, brick, cement block or masonry.
hexhead
Pre-drill a hole using a carbide masonry drill bit a minimum 1/4" deeper than than the screw length you wish to install. Install screw with a proper sized hex drive bit Making sure fastener head sits flush with work surface. Do not over torque as head may snap or cause stripping of recess. To be installed in masonary applications such as concrete, brick, or cement blocks.

Phillips Flat Head, Hi-Low, Notched Threads, Diamond Point, Blue Ceramic Coating

  • Notched threads for cutting into concrete, brick and cement block
  • Hi-Low thread pattern creates higher pullout tolerances
  • Diamond point design cuts and clears debris during installation for better thread engagement
  • Blue ceramic coating exceeds 500/hrs. salt spray resistance
  • ACQ compatible
  • Meets ASTM A 510 for carbon steel manufacturing
  • Miami-Dade County Product Control Approved. NOA-15-0930.14
Installation
Attaches wood or metal to concrete, brick, cement block or masonry.
flathead
Pre-drill a hole using a carbide masonry drill bit a minimum 1/4" deeper than than the screw length you wish to install. Install screw with proper sized phillips drive bit Making sure fastener head sits flush with work surface. Do not over torque as head may snap or cause stripping of recess.
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  1. Diameter Ø TPI 1/4 Remove This Item
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Length (in.)  
  1. 1-1/4 2 items
  2. 1-3/4 2 items
  3. 2-1/4 2 items
  4. 2-3/4 2 items
  5. 3-1/4 2 items
  6. 3-3/4 2 items
  7. 4 2 items
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Head Type  
  1. Flat Head 7 items
  2. Hex Washer Head 7 items
Drive Type  
  1. Indented Slotted 7 items
  2. Phillips 7 items
Drive Size  
  1. #3 7 items
  2. 5/16 7 items
Diameter Ø TPI  
X
  1. 3/16 14 items
  2. 1/4 14 items
Box Size  
  1. 500 4 items
  2. 1000 4 items
  3. 1500 2 items
  4. 2000 2 items
  5. 3000 2 items
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14 Items

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Set Descending Direction
  1. CF464, concrete screws, 1/4 x 4 concrete fasteners

    Sku #: 355-CF464

    Phillips Flat Head 1/4 x 4 Hi-Low Notched Threads Diamond Point Concrete Screws
    Special Price $137.18 Regular Price $185.20
    Add to Wish List Add to Compare
  2. CF460, concrete screws, 1/4 x 3-3/4 concrete fasteners

    Sku #: 355-CF460

    Phillips Flat Head 1/4 x 3-3/4 Hi-Low Notched Threads Diamond Point Concrete Screws
    Special Price $105.72 Regular Price $142.72
    Add to Wish List Add to Compare
  3. CF452, concrete screws, 1/4 x 3-1/4 concrete fasteners

    Sku #: 355-CF452

    Phillips Flat Head 1/4 x 3-1/4 Hi-Low Notched Threads Diamond Point Concrete Screws
    Special Price $183.28 Regular Price $247.42
    Add to Wish List Add to Compare
  4. CF444, concrete screws, 1/4 x 2-3/4 concrete fasteners

    Sku #: 355-CF444

    Phillips Flat Head 1/4 x 2-3/4 Hi-Low Notched Threads Diamond Point Concrete Screws
    Special Price $148.54 Regular Price $200.52
    Add to Wish List Add to Compare
  5. CF436, concrete screws, 1/4 x 2-1/4 concrete fasteners

    Sku #: 355-CF436

    Phillips Flat Head 1/4 x 2-1/4 Hi-Low Notched Threads Diamond Point Concrete Screws
    Special Price $187.61 Regular Price $253.27
    Add to Wish List Add to Compare
  6. CF428, concrete screws, 1/4 x 1-3/4 concrete fasteners

    Sku #: 355-CF428

    Phillips Flat Head 1/4 x 1-3/4 Hi-Low Notched Threads Diamond Point Concrete Screws
    Special Price $197.57 Regular Price $266.72
    Add to Wish List Add to Compare
  7. CF420, concrete screws, 1/4 x 1-1/4 concrete fasteners

    Sku #: 355-CF420

    Phillips Flat Head 1/4 x 1-1/4 Hi-Low Notched Threads Diamond Point Concrete Screws
    Special Price $253.19 Regular Price $341.80
    Add to Wish List Add to Compare
  8. CH464, concrete screws, 1/4 x 4 concrete fasteners

    Sku #: 355-CH464

    Indented Slotted Hex Washer 5/16 AF Head 1/4 x 4 Diamond Point Concrete Screws
    Special Price $134.51 Regular Price $181.59
    Add to Wish List Add to Compare
  9. CH460, concrete screws, 1/4 x 3-3/4 concrete fasteners

    Sku #: 355-CH460

    Indented Slotted Hex Washer 5/16 AF Head 1/4 x 3-3/4 Diamond Point Concrete Screws
    Special Price $107.60 Regular Price $145.26
    Add to Wish List Add to Compare
  10. CH452, concrete screws, 1/4 x 3-1/4 concrete fasteners

    Sku #: 355-CH452

    Indented Slotted Hex Washer 5/16 AF Head 1/4 x 3-1/4 Diamond Point Concrete Screws
    Special Price $186.09 Regular Price $251.22
    Add to Wish List Add to Compare
  11. CH444, concrete screws, 1/4 x 2-3/4 concrete fasteners

    Sku #: 355-CH444

    Indented Slotted Hex Washer 5/16 AF Head 1/4 x 2-3/4 Diamond Point Concrete Screws
    Special Price $151.67 Regular Price $204.76
    Add to Wish List Add to Compare
  12. CH436, concrete screws, 1/4 x 2-1/4 concrete fasteners

    Sku #: 355-CH436

    Indented Slotted Hex Washer 5/16 AF Head 1/4 x 2-1/4 Diamond Point Concrete Screws
    Special Price $177.75 Regular Price $239.96
    Add to Wish List Add to Compare
  13. CH428, concrete screws, 1/4 x 1-3/4 concrete fasteners

    Sku #: 355-CH428

    Indented Slotted Hex Washer 5/16 AF Head 1/4 x 1-3/4 Diamond Point Concrete Screws
    Special Price $204.45 Regular Price $276.01
    Add to Wish List Add to Compare
  14. CH420, concrete screws, 1/4 x 1-1/4 concrete fasteners

    Sku #: 355-CH420

    Indented Slotted Hex Washer 5/16 AF Head 1/4 x 1-1/4 Diamond Point Concrete Screws
    Special Price $252.24 Regular Price $340.53
    Add to Wish List Add to Compare
Shop By
Now Shopping by
  1. Diameter Ø TPI 1/4 Remove This Item
Clear All
Shopping Options
Length (in.)
  1. 1-1/4 2 items
  2. 1-3/4 2 items
  3. 2-1/4 2 items
  4. 2-3/4 2 items
  5. 3-1/4 2 items
  6. 3-3/4 2 items
  7. 4 2 items
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Head Type
  1. Flat Head 7 items
  2. Hex Washer Head 7 items
Drive Type
  1. Indented Slotted 7 items
  2. Phillips 7 items
Drive Size
  1. #3 7 items
  2. 5/16 7 items
Diameter Ø TPI
  1. 3/16 14 items
  2. 1/4 14 items
Box Size
  1. 500 4 items
  2. 1000 4 items
  3. 1500 2 items
  4. 2000 2 items
  5. 3000 2 items
Show more