---
product_id: 60478574
title: "UFFY - 3-1/2\" Inch Robertson Square SQ # 1 Power Impact Bit 10 pack 1/4 Hex"
brand: "uffy"
price: "€ 40.64"
currency: EUR
in_stock: true
reviews_count: 3
category: "Uffy"
url: https://www.desertcart.com.cy/products/60478574-uffy-3-1-2-inch-robertson-square-sq-1-power
store_origin: CY
region: Cyprus
---

# 3.5" Length 58-60 HRC S2 Material UFFY - 3-1/2" Inch Robertson Square SQ # 1 Power Impact Bit 10 pack 1/4 Hex

**Brand:** uffy
**Price:** € 40.64
**Availability:** ✅ In Stock

## Summary

> 🔧 Elevate Your Tool Game with Unbeatable Quality!

## Quick Answers

- **What is this?** UFFY - 3-1/2" Inch Robertson Square SQ # 1 Power Impact Bit 10 pack 1/4 Hex by uffy
- **How much does it cost?** € 40.64 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.cy](https://www.desertcart.com.cy/products/60478574-uffy-3-1-2-inch-robertson-square-sq-1-power)

## Best For

- uffy enthusiasts

## Why This Product

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

## Key Features

- • **Value Pack:** Get 10 bits to keep your projects running smoothly.
- • **Extended Lifespan:** Core hardened with a black manganese phosphate coating.
- • **Industrial Strength:** Trusted by leading manufacturers across the US.
- • **Unmatched Durability:** Crafted from S2 material, these bits are built to last.
- • **Precision Engineering:** Designed for a perfect fit with #1 Square/Robertson screws.

## Overview

This 10-pack of 3-1/2" Inch Robertson Square SQ # 1 Power Impact Bits is engineered for industrial use, featuring a Rockwell hardness of 58-60 HRC and made from premium S2 material. With core hardening and a black manganese phosphate coating, these bits promise extended life and reliability for all your projects.

## Description

3-1/2" Length | Standard 1/4'' Hex Shank | Tip: #1 Square Robertson |Round shank diameter: 15/64" | 10 Pcs. Total

Review: Awesome product, exactly what we were looking for. - Adding additional screws to our Trex decking, we found it nearly impossible to find this size bit. Thankfully we found it here and the price is fantastic. Exactly what we were looking for!
Review: Works great - Works great, just as described

## Features

- 3 1/2” Length
- # 1 - Square/ Robertson Impact Drive
- Used by some of the largest manufactureres in the US. Industrial quality.
- 58-60 HRC (Rockewll Hardness). S2 Material
- Core hardened and black manganese phosphate coating for extended life

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01LDT0JDY |
| Best Sellers Rank | #80,932 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #110 in Socket Screwdriver Bits |
| Bit Compatibilities | impact driver |
| Bit Set Composition | Bit Set |
| Brand | Uffy |
| Brand Name | Uffy |
| Customer Reviews | 4.7 out of 5 stars 17 Reviews |
| Drive Bit Application | industrial |
| Drive Bit Shank Style | Hex |
| Drive System | Hex, Square |
| Finish Type | Manganese Phosphate Coating |
| Finish Types | Manganese Phosphate Coating |
| Item Length | 3 inches |
| Manufacturer | UFFY |
| Manufacturer Part Number | TH-B-090-SQ-1--10 |
| Material | Metal |
| Material Type | Metal |
| Model Number | TH-B-090-SQ-1--10 |
| Number of Items | 10 |
| Number of Pieces | 10 |
| UPC | 721107847281 |
| Unit Count | 10 Count |

## Images

![UFFY - 3-1/2" Inch Robertson Square SQ # 1 Power Impact Bit 10 pack 1/4 Hex - Image 1](https://m.media-amazon.com/images/I/7162e9JWsLL.jpg)
![UFFY - 3-1/2" Inch Robertson Square SQ # 1 Power Impact Bit 10 pack 1/4 Hex - Image 2](https://m.media-amazon.com/images/I/61auwChkHdL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Awesome product, exactly what we were looking for.
*by B***S on January 7, 2024*

Adding additional screws to our Trex decking, we found it nearly impossible to find this size bit. Thankfully we found it here and the price is fantastic. Exactly what we were looking for!

### ⭐⭐⭐⭐⭐ Works great
*by J***N on March 12, 2024*

Works great, just as described

### ⭐⭐⭐⭐⭐ Work great
*by L***Y on June 15, 2019*

Good product

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**Shop now:** [https://www.desertcart.com.cy/products/60478574-uffy-3-1-2-inch-robertson-square-sq-1-power](https://www.desertcart.com.cy/products/60478574-uffy-3-1-2-inch-robertson-square-sq-1-power)

---

*Product available on Desertcart Cyprus*
*Store origin: CY*
*Last updated: 2026-09-30*