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Stainless Steel Flat Head Tapping Screws for Concrete, Block, and Brick
These 410 stainless steel screws are more corrosion resistant than ultra-corrosion-resistant coated steel screws. They're also known as Tapcons. All are beveled under the head for a flush finish in countersunk holes. 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.
For technical drawings and 3-D models, click on a part number.
Screws | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Strength, lbs. | Hammer Drill Bits | Rotary Drill Bits | |||||||||||||
| Lg. | Drill Bit Size | Thread Lg. | Min. Install. Dp. | Head Dia. | Pull-Out | Shear | Tested In | Drive Style  | Pkg. Qty. | Pkg. | Each | Each | |||
410 Stainless Steel | |||||||||||||||
3/16"Screw Size | |||||||||||||||
| 1 3/4" | 5/32" | 1 1/2" | 1" | 0.36" | 155 | 180 | 3,000 psi Concrete | Phillips | 10 | 000000000 | 000000 | 000000000 | 00000 | 000000 | 000000 |
| 2 1/4" | 5/32" | 2" | 1" | 0.36" | 155 | 180 | 3,000 psi Concrete | Phillips | 10 | 000000000 | 00000 | 000000000 | 0000 | 000000 | 00000 |
| 2 3/4" | 5/32" | 2 1/8" | 1" | 0.36" | 155 | 180 | 3,000 psi Concrete | Phillips | 10 | 000000000 | 00000 | 000000000 | 0000 | 000000 | 00000 |
1/4"Screw Size | |||||||||||||||
| 1 1/4" | 3/16" | 1" | 1" | 0.48" | 190 | 225 | 3,000 psi Concrete | Phillips | 10 | 000000000 | 00000 | 000000000 | 0000 | 000000 | 00 |
| 1 3/4" | 3/16" | 1 5/8" | 1" | 0.48" | 190 | 225 | 3,000 psi Concrete | Phillips | 10 | 000000000 | 00000 | 000000000 | 0000 | 000000 | 00 |
| 2 1/4" | 3/16" | 1 5/8" | 1" | 0.48" | 190 | 225 | 3,000 psi Concrete | Phillips | 10 | 000000000 | 00000 | 000000000 | 0000 | 000000000 | 0000 |
| 2 3/4" | 3/16" | 1 5/8" | 1" | 0.48" | 190 | 225 | 3,000 psi Concrete | Phillips | 10 | 000000000 | 00000 | 000000000 | 0000 | 000000000 | 0000 |
| 3 1/4" | 3/16" | 2 1/8" | 1" | 0.48" | 190 | 225 | 3,000 psi Concrete | Phillips | 5 | 000000000 | 00000 | 000000000 | 0000 | 000000000 | 0000 |
| 3 3/4" | 3/16" | 2 1/8" | 1" | 0.48" | 190 | 225 | 3,000 psi Concrete | Phillips | 5 | 000000000 | 00000 | 000000000 | 0000 | 000000000 | 0000 |
| Installation Tool Set for 3/16" and 1/4" Screw Size | 000000000 | Each | 0000000 |