---
product_id: 494520775
title: "3/8\" x 3-1/2\" Wedge Anchor, Concrete Anchors Zinc Plated, Heavy Duty Expansion Bolt Fasteners for High Strength Concrete Bricks/Blocks, Natural Stone, 20 PCS"
brand: "ini moni"
price: "$91"
currency: NZD
in_stock: true
reviews_count: 8
category: "Ini Moni"
url: https://www.desertcart.nz/products/494520775-3-8-x-3-1-2-wedge-anchor-concrete-anchors
store_origin: NZ
region: New Zealand
---

# 3/8" diameter precision fit 3-1/2" heavy-duty length 20 pcs bulk pack for projects 3/8" x 3-1/2" Wedge Anchor, Concrete Anchors Zinc Plated, Heavy Duty Expansion Bolt Fasteners for High Strength Concrete Bricks/Blocks, Natural Stone, 20 PCS

**Brand:** ini moni
**Price:** $91
**Availability:** ✅ In Stock

## Summary

> 🔩 Secure your space with strength that lasts — don’t get left hanging!

## Quick Answers

- **What is this?** 3/8" x 3-1/2" Wedge Anchor, Concrete Anchors Zinc Plated, Heavy Duty Expansion Bolt Fasteners for High Strength Concrete Bricks/Blocks, Natural Stone, 20 PCS by ini moni
- **How much does it cost?** $91 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/494520775-3-8-x-3-1-2-wedge-anchor-concrete-anchors)

## Best For

- ini moni enthusiasts

## Why This Product

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

## Key Features

- • **Bulk Pack Convenience:** 20 anchors per pack to keep your workflow uninterrupted and efficient.
- • **Heavy-Duty Durability:** 3-1/2" length anchors deep for maximum expansion and load-bearing strength.
- • **Precision Engineered Fit:** 3/8" diameter ensures a snug, secure hold in high-strength concrete.
- • **Rust-Resistant Zinc Plating:** Carbon steel with zinc plating guarantees long-lasting corrosion protection.
- • **Versatile High-Strength Use:** Ideal for concrete, natural stone, and solid bricks—engineered for demanding projects.

## Overview

The ini moni 3/8" x 3-1/2" Wedge Anchor is a zinc-plated, carbon steel expansion bolt designed for heavy-duty fastening in high-strength concrete, natural stone, and solid bricks. With a precision 3/8" diameter and 3-1/2" length, these 20-piece packs provide reliable, rust-resistant anchoring for professional-grade projects.

## Description

Ini moni 3/8" x 3-1/2" Wedge Anchor, Concrete Anchors Zinc Plated, Heavy Duty Expansion Bolt Fasteners for High Strength Concrete Bricks/Blocks, Natural Stone, 20 PCS: desertcart.com: Industrial & Scientific

Review: Easy to use anchor - Worked great easy install using masonry drill bits make sure to use the same size drill bit as the anchor and drill the hole a little deeper than the anchor crushing sleeve allowing for expansion
Review: HANDY TO HAVE - Worked flawlessly for my project

## Features

- Concrete Wall Anchors Diameter: 3/8 inch | Length: 3-1/2 inches | Quantity: 20 pcs
- Expansion Bolt material: carbon steel zinc plated, rust proof, sturdy, heavy duty
- Concrete Anchor Bolts Application: These anchor bolts are suitable for concrete, high strength concrete bricks/blocks, Not suitable for hollow masonry, cinder block, drywall
- Installation: Drill a small hole with a diameter of 3/8 inches, clean any debris from the hole, then tap the concrete fastener into the hole,and tighten the screw
- Various Size: Select the appropriate size of concrete bolts to achieve good fastening results

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0B4MSZ33Z |
| Best Sellers Rank | #144,951 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #79 in Wedge Anchors |
| Brand | ini moni |
| Color | Silver |
| Compatible Groove Diameter | 0.38 Inches |
| Customer Reviews | 4.6 out of 5 stars 72 Reviews |
| Fastener Type | Bolt, With Washer |
| Finish Types | Galvanized |
| Head Style | Flat |
| Item Diameter | 0.38 Inches |
| Item Shape | Wedge Anchor |
| Manufacturer | ini moni |
| Material | Carbon Steel |
| Material Type | Carbon Steel |
| Number of Pieces | 20 |
| Screw Head Style | Flat |
| Size | 3/8" x 3-1/2" |
| Size Name | 3/8" x 3-1/2" |
| Thread Size | 3/8-16 |

## Product Details

- **Brand:** ini moni
- **Color:** Silver
- **Fastener Type:** Bolt, With Washer
- **Material:** Carbon Steel
- **Size:** 3/8" x 3-1/2"

## Images

![3/8" x 3-1/2" Wedge Anchor, Concrete Anchors Zinc Plated, Heavy Duty Expansion Bolt Fasteners for High Strength Concrete Bricks/Blocks, Natural Stone, 20 PCS - Image 1](https://m.media-amazon.com/images/I/51M91F3apsL.jpg)
![3/8" x 3-1/2" Wedge Anchor, Concrete Anchors Zinc Plated, Heavy Duty Expansion Bolt Fasteners for High Strength Concrete Bricks/Blocks, Natural Stone, 20 PCS - Image 2](https://m.media-amazon.com/images/I/61l4C9FRYFL.jpg)
![3/8" x 3-1/2" Wedge Anchor, Concrete Anchors Zinc Plated, Heavy Duty Expansion Bolt Fasteners for High Strength Concrete Bricks/Blocks, Natural Stone, 20 PCS - Image 3](https://m.media-amazon.com/images/I/71UeD7IkQiL.jpg)
![3/8" x 3-1/2" Wedge Anchor, Concrete Anchors Zinc Plated, Heavy Duty Expansion Bolt Fasteners for High Strength Concrete Bricks/Blocks, Natural Stone, 20 PCS - Image 4](https://m.media-amazon.com/images/I/61goSMspZzL.jpg)
![3/8" x 3-1/2" Wedge Anchor, Concrete Anchors Zinc Plated, Heavy Duty Expansion Bolt Fasteners for High Strength Concrete Bricks/Blocks, Natural Stone, 20 PCS - Image 5](https://m.media-amazon.com/images/I/71xcmVC68VL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Easy to use anchor
*by B***N on November 2, 2025*

Worked great easy install using masonry drill bits make sure to use the same size drill bit as the anchor and drill the hole a little deeper than the anchor crushing sleeve allowing for expansion

### ⭐⭐⭐⭐⭐ HANDY TO HAVE
*by C***O on May 17, 2025*

Worked flawlessly for my project

### ⭐⭐⭐⭐ Handy
*by D***N on April 19, 2023*

Handy for securing stuff to concrete. Be sure to use the correct sized bit so you don’t make the job harder than it has to be.

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**Shop now:** [https://www.desertcart.nz/products/494520775-3-8-x-3-1-2-wedge-anchor-concrete-anchors](https://www.desertcart.nz/products/494520775-3-8-x-3-1-2-wedge-anchor-concrete-anchors)

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*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-03-03*