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🛠️ Nail your next project with screws that work as hard as you do!
Bobibbi’s 3/16 x 3-1/4" Flat Head Concrete Screw Anchors deliver professional-grade fastening power for masonry, block, and brick. Featuring a diamond tail for rapid drilling and a Blue Ruspert corrosion-resistant finish, these 100 carbon steel screws combine durability with efficiency. Perfect for home, workplace, or outdoor projects, they come in a convenient bulk pack and are backed by a lifetime warranty—making them the go-to choice for managers who demand reliability and speed.
| ASIN | B0C7MG98QP |
| Best Sellers Rank | #8,970 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #10 in Concrete Screws |
| Brand | Bobibbi |
| Date First Available | June 9, 2023 |
| Exterior Finish | Alloy Steel |
| Fastener Size | 3/16 x 3-1/4" |
| Fastener Type | Self-Drilling Screws |
| Head Style | Flat |
| Head Type | Flat |
| Item Weight | 1.68 pounds |
| Item dimensions L x W x H | 5.71 x 4.13 x 2.28 inches |
| Manufacturer | Bobibbi |
| Material | Carbon Steel |
| Metal Type | Carbon Steel |
| Product Dimensions | 5.71 x 4.13 x 2.28 inches |
| Size | 3/16 x 3-1/4" |
| Thread Class | 3A |
| Thread Coverage | Partially Threaded |
| Thread Size | 3/16 |
| Thread Style | Right Hand |
| Thread Type | Unc |
A**R
Good value for the money
These are great concrete screws but over time they will rust off and break ....I use them all the time and for most jobs outside....I do like Stainless Steel better for anything outside that will get wet...
C**D
Works as tapcon screws replacement
These screws work just as well as the tapcon brand, have not had any issues using or holding once placed
J**E
Good Screws
Product was ordered and arrived as expected. Screws were of good quality and worked exactly as I expected.
F**3
Recommend for most projects
They are decent quality but not TapCon level quality. If you need really heavy duty strength then go with TapCon or equivalent.
J**E
Sturdy.
Sturdy.
L**A
Bueno
A**H
Strong
Excellent
C**A
Work well in cmu.
Good price and worked well. I've used about half in cmu and had no issues. I did already have a tapcon bit but I'm sure the included one would work well.
G**P
Excellent hardware!
B**E
Works well and priced competitively, significantly less expensive than walk in store option
Trustpilot
3 weeks ago
2 weeks ago