---
product_id: 765088837
title: "3/16 x 3-1/4\" Flat Head Concrete Screw Anchor, for Anchoring to Masonry, Block or Brick (100Pcs)"
brand: "bobibbi"
price: "C$2339"
currency: NIO
in_stock: true
reviews_count: 10
category: "Bobibbi"
url: https://www.desertcart.ni/products/765088837-3-16-x-3-1-4-flat-head-concrete-screw
store_origin: NI
region: Nicaragua
---

# 3/16 x 3-1/4" precision size Diamond tail for faster drilling 1000h hydrochloric acid corrosion resistance 3/16 x 3-1/4" Flat Head Concrete Screw Anchor, for Anchoring to Masonry, Block or Brick (100Pcs)

**Brand:** bobibbi
**Price:** C$2339
**Availability:** ✅ In Stock

## Summary

> 🛠️ Nail your next project with screws that work as hard as you do!

## Quick Answers

- **What is this?** 3/16 x 3-1/4" Flat Head Concrete Screw Anchor, for Anchoring to Masonry, Block or Brick (100Pcs) by bobibbi
- **How much does it cost?** C$2339 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ni](https://www.desertcart.ni/products/765088837-3-16-x-3-1-4-flat-head-concrete-screw)

## Best For

- bobibbi enthusiasts

## Why This Product

- Trusted bobibbi brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Built to Last:** Crafted from high-quality 1022A carbon steel with Blue Ruspert coating for superior corrosion resistance.
- • **Lifetime Confidence:** Backed by Bobibbi’s hassle-free lifetime warranty, ensuring your projects stay secure and worry-free.
- • **Speed Meets Strength:** Unique diamond tail design accelerates drilling, saving you time on every project.
- • **Bulk Pack Convenience:** 100 screws in a durable, food-grade PP green plastic case—easy to store, carry, and deploy.
- • **Precision Engineered for Masonry:** 3/16 x 3-1/4" flat head screws designed for flawless anchoring in concrete, brick, and block.

## Overview

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.

## Description

Bobibbi 3/16 x 3-1/4" Flat Head Concrete Screw Anchor, for Anchoring to Masonry, Block or Brick (100Pcs): desertcart.com: Industrial & Scientific

Review: 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...
Review: 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

## Features

- 【PACKAGE INCLUDES】3/16 x 3-1/4" Flat Head Concrete Screw, totally 100 Pcs.
- 【HIGH QUALITY】High and low teeth texture concrete screw fixation ability. It can quickly penetrate concrete slabs, bricks, etc. Concrete screws are made of 1022A high quality carbon steel and can withstand hydrochloric acid corrosion for 1000 hours. Unique diamond tail for faster drilling speed.
- 【APPLICATIONS】These concrete screws can be used in homes, workplaces, furniture and courtyards. Concrete screws are a good helper for your repair and decoration. Concrete screws for quick installation, block or brick.
- 【DURABLE AND STURDY】Concrete screw uses high quality carbon steel, classics high temperature quenching, hardness is high. The surface of the screw is treated with Blue Ruspert, which has strong corrosion resistance. Food grade PP green plastic packaging, 100 pieces very easy to carry, use and store.
- 【SERVICE】 Bobibbi's lifelong commitment to quality service. We really care about our customers and we are sure you will love our wood screws. That's why we offer a hassle-free lifetime warranty on all of our products. If you have any questions about our products, you can consult us. We pay great attention to detail when producing deck screws to provide the most effective fastener experience. You can safely add our products to your shopping cart.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| 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 |

## Product Details

- **Exterior Finish:** Alloy Steel
- **Head Style:** Flat
- **Item dimensions L x W x H:** 5.71 x 4.13 x 2.28 inches
- **Material:** Carbon Steel
- **Thread Size:** 3/16

## Images

![3/16 x 3-1/4" Flat Head Concrete Screw Anchor, for Anchoring to Masonry, Block or Brick (100Pcs) - Image 1](https://m.media-amazon.com/images/I/41j0+np6Z2L.jpg)
![3/16 x 3-1/4" Flat Head Concrete Screw Anchor, for Anchoring to Masonry, Block or Brick (100Pcs) - Image 2](https://m.media-amazon.com/images/I/41uqMKZRAyL.jpg)
![3/16 x 3-1/4" Flat Head Concrete Screw Anchor, for Anchoring to Masonry, Block or Brick (100Pcs) - Image 3](https://m.media-amazon.com/images/I/510RDGTDamL.jpg)
![3/16 x 3-1/4" Flat Head Concrete Screw Anchor, for Anchoring to Masonry, Block or Brick (100Pcs) - Image 4](https://m.media-amazon.com/images/I/51GKxybELLL.jpg)
![3/16 x 3-1/4" Flat Head Concrete Screw Anchor, for Anchoring to Masonry, Block or Brick (100Pcs) - Image 5](https://m.media-amazon.com/images/I/51lgRVsiGkL.jpg)

## Available Options

This product comes in different **Size, Style** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good value for the money
*by A***R on January 15, 2026*

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...

### ⭐⭐⭐⭐⭐ Works as tapcon screws replacement
*by C***D on January 11, 2026*

These screws work just as well as the tapcon brand, have not had any issues using or holding once placed

### ⭐⭐⭐⭐⭐ Good Screws
*by J***E on September 22, 2025*

Product was ordered and arrived as expected. Screws were of good quality and worked exactly as I expected.

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**Shop now:** [https://www.desertcart.ni/products/765088837-3-16-x-3-1-4-flat-head-concrete-screw](https://www.desertcart.ni/products/765088837-3-16-x-3-1-4-flat-head-concrete-screw)

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*Product available on Desertcart Nicaragua*
*Store origin: NI*
*Last updated: 2026-03-03*