System of Measurement System of Measurement |
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Anchor Type Anchor Type |
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 | Tapping Screw |
Head Type Head Type |
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Drive Style Drive Style |
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| Slotted | External Hex |
Tip Type Tip Type |
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 | Pointed |
Finish Finish |
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Material Material |
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Pull-Out Strength Pull-Out Strength |
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Thread Direction Thread Direction |
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Minimum Installation Depth Minimum Installation Depth |
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Shear Strength Shear Strength |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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About Masonry Drill Bits
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Drill Bit Decimal Size Equivalents
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About Drill Bits
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Steel Hex Head Tapping Screws for Concrete, Block, and Brick
Slotted/External Hex
External Hex
These blue and silver ultra-corrosion-resistant coated steel screws stand up to wet environments. They have a hex head for a secure grip with a wrench. Drive into a hole with a hammer drill or socket wrench, or use a specialized tool set (sold separately). Pull-out strength and shear strength values are 25% of the ultimate values.
Blue acrylic coated screws are also known as Tapcons.
For technical drawings and 3-D models, click on a part number.
Screws | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Head | Strength, lbs. | Hammer Drill Bits | Rotary Drill Bits | ||||||||||||||
| Lg. | Screw Size | Drill Bit Size | Thread Lg. | Min. Install. Dp. | Wd. | Ht. | Pull-Out | Shear | Tested In | Drive Style | Pkg. Qty. | Pkg. | Each | Each | |||
Blue Corrosion-Resistant-Coated Steel | |||||||||||||||||
3/16" Dia. | |||||||||||||||||
| 1 1/4" | 3/16" | 5/32" | 1 1/4" | 1" | 1/4" | 9/64" | 150 | 180 | 3,000 psi Concrete | Slotted/External Hex | 50 | 000000000 | 00000 | 000000000 | 00000 | 000000 | 000000 |
| 1 3/4" | 3/16" | 5/32" | 1 5/8" | 1" | 1/4" | 9/64" | 150 | 180 | 3,000 psi Concrete | Slotted/External Hex | 50 | 000000000 | 0000 | 000000000 | 0000 | 000000 | 00000 |
| 2 1/4" | 3/16" | 5/32" | 1 5/8" | 1" | 1/4" | 9/64" | 150 | 180 | 3,000 psi Concrete | Slotted/External Hex | 50 | 000000000 | 00000 | 000000000 | 0000 | 000000 | 00000 |
| 2 3/4" | 3/16" | 5/32" | 1 5/8" | 1" | 1/4" | 9/64" | 150 | 180 | 3,000 psi Concrete | Slotted/External Hex | 50 | 000000000 | 00000 | 000000000 | 0000 | 000000 | 00000 |
| 3 1/4" | 3/16" | 5/32" | 1 5/8" | 1" | 1/4" | 9/64" | 150 | 180 | 3,000 psi Concrete | Slotted/External Hex | 25 | 000000000 | 00000 | 000000000 | 0000 | 000000 | 00000 |
1/4" Dia. | |||||||||||||||||
| 1 1/4" | 1/4" | 3/16" | 1 1/4" | 1" | 5/16" | 3/16" | 190 | 225 | 3,000 psi Concrete | Slotted/External Hex | 50 | 000000000 | 00000 | 000000000 | 0000 | 000000 | 00 |
| 1 3/4" | 1/4" | 3/16" | 1 5/8" | 1" | 5/16" | 3/16" | 190 | 225 | 3,000 psi Concrete | Slotted/External Hex | 50 | 000000000 | 00000 | 000000000 | 0000 | 000000 | 00 |
| 2 1/4" | 1/4" | 3/16" | 1 5/8" | 1" | 5/16" | 3/16" | 190 | 225 | 3,000 psi Concrete | Slotted/External Hex | 50 | 000000000 | 00000 | 000000000 | 0000 | 000000000 | 0000 |
| 2 3/4" | 1/4" | 3/16" | 1 5/8" | 1" | 5/16" | 3/16" | 190 | 225 | 3,000 psi Concrete | Slotted/External Hex | 25 | 000000000 | 0000 | 000000000 | 0000 | 000000000 | 0000 |
| 3 1/4" | 1/4" | 3/16" | 1 5/8" | 1" | 5/16" | 3/16" | 190 | 225 | 3,000 psi Concrete | Slotted/External Hex | 25 | 000000000 | 00000 | 000000000 | 0000 | 000000000 | 0000 |
| 3 3/4" | 1/4" | 3/16" | 1 5/8" | 1" | 5/16" | 3/16" | 190 | 225 | 3,000 psi Concrete | Slotted/External Hex | 25 | 000000000 | 00000 | 000000000 | 0000 | 000000000 | 0000 |
| 4" | 1/4" | 3/16" | 1 5/8" | 1" | 5/16" | 3/16" | 190 | 225 | 3,000 psi Concrete | Slotted/External Hex | 25 | 000000000 | 00000 | 000000000 | 0000 | 000000 | 00 |
| 5" | 1/4" | 3/16" | 1 5/8" | 1" | 5/16" | 3/16" | 190 | 225 | 3,000 psi Concrete | Slotted/External Hex | 10 | 000000000 | 00000 | 000000000 | 0000 | 000000 | 00 |
| 6" | 1/4" | 3/16" | 1 5/8" | 1" | 5/16" | 3/16" | 190 | 225 | 3,000 psi Concrete | Slotted/External Hex | 10 | 000000000 | 00000 | 000000000 | 0000 | 000000 | 00 |
Silver Corrosion-Resistant-Coated Steel | |||||||||||||||||
1/4" Dia. | |||||||||||||||||
| 1 3/4" | 1/4" | 3/16" | 1 1/2" | 1" | 5/16" | 15/64" | 150 | 150 | 3,000 psi Concrete | External Hex | 25 | 000000000 | 00000 | 000000000 | 0000 | 000000 | 00 |
| 2 1/4" | 1/4" | 3/16" | 1 7/8" | 1" | 5/16" | 15/64" | 150 | 150 | 3,000 psi Concrete | External Hex | 25 | 000000000 | 00000 | 000000000 | 0000 | 000000000 | 0000 |
5/16" Dia. | |||||||||||||||||
| 1 3/4" | 5/16" | 1/4" | 1 1/2" | 1" | 5/16" | 1/4" | 165 | 195 | 3,000 psi Concrete | External Hex | 25 | 000000000 | 00000 | 000000 | 00 | 000000000 | 00000 |
| 2 1/4" | 5/16" | 1/4" | 2" | 1" | 5/16" | 1/4" | 165 | 195 | 3,000 psi Concrete | External Hex | 25 | 000000000 | 00000 | 000000 | 00 | 000000000 | 00000 |
| 2 3/4" | 5/16" | 1/4" | 2" | 1" | 5/16" | 15/64" | 165 | 195 | 3,000 psi Concrete | External Hex | 25 | 000000000 | 00000 | 000000 | 00 | 000000000 | 00000 |
| 3 1/4" | 5/16" | 1/4" | 2" | 1" | 5/16" | 1/4" | 165 | 195 | 3,000 psi Concrete | External Hex | 10 | 000000000 | 00000 | 000000 | 00 | 000000000 | 00000 |
| 3 3/4" | 5/16" | 1/4" | 2" | 1" | 5/16" | 1/4" | 165 | 195 | 3,000 psi Concrete | External Hex | 10 | 000000000 | 00000 | 000000 | 00 | 000000000 | 00000 |
| 4" | 5/16" | 1/4" | 2" | 1" | 5/16" | 1/4" | 165 | 195 | 3,000 psi Concrete | External Hex | 10 | 000000000 | 00000 | 000000 | 00 | 000000000 | 00000 |
| 5" | 5/16" | 1/4" | 2" | 1" | 5/16" | 1/4" | 165 | 195 | 3,000 psi Concrete | External Hex | 10 | 000000000 | 00000 | 000000 | 00 | 000000000 | 00000 |
| 6" | 5/16" | 1/4" | 2" | 1" | 5/16" | 1/4" | 165 | 195 | 3,000 psi Concrete | External Hex | 5 | 000000000 | 00000 | 000000 | 00 | 000000000 | 00000 |
| Installation Tool Set for 3/16" and 1/4" Dia. Screws | 000000000 | Each | 0000000 |