---
product_id: 656812771
title: "DCWecher 3-Inch Impact Hex Bit Set, 20PCS Long Allen Wrench Drill Bit Set | Magnetic Allen Key Drill Bit Set, S2 Steel, Metric & SAE Hex Bits, 1/4'' Hex Shank for Automotive Repair & Furniture Assembly"
brand: "dcwecher"
price: "฿1782"
currency: THB
in_stock: true
reviews_count: 8
category: "Dc Wecher"
url: https://www.desertcart.co.th/products/656812771-dcwecher-3-inch-impact-hex-bit-set-20pcs-long-allen
store_origin: TH
region: Thailand
---

# 3-inch length for deep reach 20 metric & SAE sizes included S2 heat-treated steel for impact durability DCWecher 3-Inch Impact Hex Bit Set, 20PCS Long Allen Wrench Drill Bit Set | Magnetic Allen Key Drill Bit Set, S2 Steel, Metric & SAE Hex Bits, 1/4'' Hex Shank for Automotive Repair & Furniture Assembly

**Brand:** dcwecher
**Price:** ฿1782
**Availability:** ✅ In Stock

## Summary

> ⚡ Power through every project with precision and speed!

## Quick Answers

- **What is this?** DCWecher 3-Inch Impact Hex Bit Set, 20PCS Long Allen Wrench Drill Bit Set | Magnetic Allen Key Drill Bit Set, S2 Steel, Metric & SAE Hex Bits, 1/4'' Hex Shank for Automotive Repair & Furniture Assembly by dcwecher
- **How much does it cost?** ฿1782 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/656812771-dcwecher-3-inch-impact-hex-bit-set-20pcs-long-allen)

## Best For

- dcwecher enthusiasts

## Why This Product

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

## Key Features

- • **All Sizes, One Set:** 20 precision bits covering both metric and SAE sizes eliminate the frustration of missing the perfect fit.
- • **Built for Impact Power:** Heat-treated S2 steel with black phosphate finish ensures toughness and longevity under high-torque impact drivers.
- • **Organized & Ready to Go:** Compact holder keeps all 20 bits neatly arranged and easy to grab—perfect for professionals on the move.
- • **Reach Every Hidden Fastener:** 3-inch long bits access recessed screws in tight, hard-to-reach spots—engine bays, furniture joints, and more.
- • **Magnetic Tips for One-Handed Efficiency:** Magnetic bit tips hold screws securely, making overhead and tight-space fastening effortless and fast.

## Overview

The DCWecher 3-Inch Impact Hex Bit Set features 20 heat-treated S2 steel bits in both metric and SAE sizes, designed for impact drivers and power drills. Its 3-inch length reaches recessed fasteners with magnetic tips for secure screw holding. Ideal for automotive, furniture, and general repair, this durable, organized set delivers professional-grade performance and versatility.

## Description

DCWecher 3-Inch Impact Hex Bit Set, 20PCS Long Allen Wrench Drill Bit Set | Magnetic Allen Key Drill Bit Set, S2 Steel, Metric & SAE Hex Bits, 1/4'' Hex Shank for Automotive Repair & Furniture Assembly - desertcart.com

Review: Essential Tool Set for DIY and Professional Work - This 20-piece Allen key drill bit set has earned a permanent spot in my tool collection. The combination of comprehensive size coverage, premium build quality, and impact-rated durability makes this set invaluable for both occasional DIY projects and regular professional use. The S2 steel construction is immediately apparent in the quality and durability. These bits feel solid and substantial, not flimsy or cheap like economy sets. S2 steel is specifically designed for impact applications, which means these can handle high-torque situations without stripping, bending, or breaking. The material choice makes a real difference in longevity. Having both metric and SAE sizes in one set eliminates the frustration of missing the one size you need. The comprehensive range covers virtually every hex bolt or screw you will encounter in automotive work, furniture assembly, bike maintenance, appliances, or general construction. No more hunting through multiple incomplete sets to find the right size. The 2-inch length is perfect for drill use. Long enough to reach recessed fasteners and provide good engagement, short enough to use in tight spaces without excessive wobble. The length strikes the ideal balance between reach and control. They fit securely in standard drill chucks and quick-change holders. The hex shank design ensures positive engagement with your drill or impact driver. No slipping or spinning in the chuck even under high torque. The connection is solid and secure, which translates to better control and more efficient work. Power transfer is direct and effective. Impact-rated performance is a game changer. Using these with an impact driver delivers serious fastening power without damaging the bits. Regular hex bits would strip or shear under impact loads, but these handle it without issue. The ability to use impact tools dramatically speeds up projects. The organization case is practical and well-designed. Each bit has its own labeled slot making size selection quick and keeping everything organized. The case is compact enough to fit in a toolbox or bag but protective enough to prevent the bits from getting damaged or lost. Easy to grab the size you need at a glance. Precision manufacturing is evident in the fit. These bits engage hex fasteners cleanly without slop or play. Good fit means less cam-out, less stripped fasteners, and more reliable results. The machining quality exceeds typical imported tool sets. Versatility extends beyond just hex bolts. These work perfectly for Allen screws in electronics, furniture, bicycles, motorcycles, machinery, and countless other applications. Whether you are assembling IKEA furniture or working on automotive repairs, these bits handle it all. Value is exceptional for what you get. Twenty high-quality impact-rated bits covering both measurement systems for the price many companies charge for a basic set. The quality-to-price ratio makes this an easy purchase decision. Durability over time has been impressive. After months of regular use including some heavy-duty applications, these bits show minimal wear. Tips remain sharp and properly sized. The black oxide coating holds up well. These are built for long-term use, not disposable tools. For anyone who works with hex fasteners regularly or wants a comprehensive set for general use, this delivers professional quality at a realistic price. Essential addition to any toolbox or workshop. Highly recommend for both enthusiasts and professionals.
Review: Nice set that worked great - Used in my Ryobi impact driver and my small hand held driver. Great value

## Features

- 3-INCH HEX DRILL BIT SET – Long hex bits help reach recessed Allen fasteners in engine bays, cabinet corners, furniture joints, appliance panels, and garage projects
- 20PCS METRIC AND SAE HEX BITS – Metric: 1.5, 2, 2.5, 3, 3.5, 4, 5, 6, 7, 8mm; SAE: 5/64, 3/32, 7/64, 1/8, 9/64, 5/32, 3/16, 7/32, 1/4, 5/16 inch
- S2 STEEL WITH HEAT TREATMENT – S2 steel body is heat treated for added toughness, with black phosphate finish and CNC-machined tips for cleaner fit in matching screws
- MAGNETIC ALLEN BIT SET – Magnetic allen drill bits help hold matching screws while positioning, useful for overhead fastening, tight corners, bicycle parts, and one-hand starts
- 1/4 HEX SHANK WITH HOLDER – Works with impact drivers, power drills, quick-change chucks, and bit holders; included holder keeps the 20-piece hex driver set grouped

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0D31NR1F3 |
| Best Sellers Rank | #9,646 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #15 in Hex-Shank Drill Bits |
| Bit Compatibilities | Hand Tool, Impact Driver, Power Drill |
| Bit Set Composition | Bit Set |
| Bit Tip Configuration | Magnetic Tip |
| Brand | DCWecher |
| Brand Name | DCWecher |
| Customer Reviews | 4.7 out of 5 stars 802 Reviews |
| Drive Bit Application | Automotive Repair, Furniture Assembly, Bicycle Maintenance, Garage Repair, Cabinet Installation, Appliance Repair |
| Drive Bit Shank Style | Hex Shank |
| Drive End Style | Hex Shank |
| Drive System | Internal Hex |
| Finish Type | Manganese Phosphate |
| Finish Types | Manganese Phosphate |
| Item Length | 3 inches |
| Manufacturer | DCWecher |
| Manufacturer Part Number | 3" 20-PCS Hex Bits (Metric & SAE) |
| Material | S2 Alloy Steel |
| Material Type | S2 Alloy Steel |
| Model Number | 3'' 20 Pieces Allen Key Drill Bit Set |
| Number of Items | 20 |
| Number of Packs | 20 |
| Number of Pieces | 20 |
| Set Name | 3 Inch 20 Pieces Allen Wrench Drill Bit Set (Metric & SAE) |
| Unit Count | 20 Count |

## Product Details

- **Brand:** DCWecher
- **Finish Type:** Manganese Phosphate
- **Item Length:** 3 inches
- **Material:** S2 Alloy Steel
- **Number of Pieces:** 20

## Images

![DCWecher 3-Inch Impact Hex Bit Set, 20PCS Long Allen Wrench Drill Bit Set | Magnetic Allen Key Drill Bit Set, S2 Steel, Metric & SAE Hex Bits, 1/4'' Hex Shank for Automotive Repair & Furniture Assembly - Image 1](https://m.media-amazon.com/images/I/81un5tRGovL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Essential Tool Set for DIY and Professional Work
*by S***S on January 31, 2026*

This 20-piece Allen key drill bit set has earned a permanent spot in my tool collection. The combination of comprehensive size coverage, premium build quality, and impact-rated durability makes this set invaluable for both occasional DIY projects and regular professional use. The S2 steel construction is immediately apparent in the quality and durability. These bits feel solid and substantial, not flimsy or cheap like economy sets. S2 steel is specifically designed for impact applications, which means these can handle high-torque situations without stripping, bending, or breaking. The material choice makes a real difference in longevity. Having both metric and SAE sizes in one set eliminates the frustration of missing the one size you need. The comprehensive range covers virtually every hex bolt or screw you will encounter in automotive work, furniture assembly, bike maintenance, appliances, or general construction. No more hunting through multiple incomplete sets to find the right size. The 2-inch length is perfect for drill use. Long enough to reach recessed fasteners and provide good engagement, short enough to use in tight spaces without excessive wobble. The length strikes the ideal balance between reach and control. They fit securely in standard drill chucks and quick-change holders. The hex shank design ensures positive engagement with your drill or impact driver. No slipping or spinning in the chuck even under high torque. The connection is solid and secure, which translates to better control and more efficient work. Power transfer is direct and effective. Impact-rated performance is a game changer. Using these with an impact driver delivers serious fastening power without damaging the bits. Regular hex bits would strip or shear under impact loads, but these handle it without issue. The ability to use impact tools dramatically speeds up projects. The organization case is practical and well-designed. Each bit has its own labeled slot making size selection quick and keeping everything organized. The case is compact enough to fit in a toolbox or bag but protective enough to prevent the bits from getting damaged or lost. Easy to grab the size you need at a glance. Precision manufacturing is evident in the fit. These bits engage hex fasteners cleanly without slop or play. Good fit means less cam-out, less stripped fasteners, and more reliable results. The machining quality exceeds typical imported tool sets. Versatility extends beyond just hex bolts. These work perfectly for Allen screws in electronics, furniture, bicycles, motorcycles, machinery, and countless other applications. Whether you are assembling IKEA furniture or working on automotive repairs, these bits handle it all. Value is exceptional for what you get. Twenty high-quality impact-rated bits covering both measurement systems for the price many companies charge for a basic set. The quality-to-price ratio makes this an easy purchase decision. Durability over time has been impressive. After months of regular use including some heavy-duty applications, these bits show minimal wear. Tips remain sharp and properly sized. The black oxide coating holds up well. These are built for long-term use, not disposable tools. For anyone who works with hex fasteners regularly or wants a comprehensive set for general use, this delivers professional quality at a realistic price. Essential addition to any toolbox or workshop. Highly recommend for both enthusiasts and professionals.

### ⭐⭐⭐⭐⭐ Nice set that worked great
*by M***U on July 17, 2026*

Used in my Ryobi impact driver and my small hand held driver. Great value

### ⭐⭐⭐⭐⭐ Essential Upgrade for Any DIY Toolkit – Durable, Magnetic, and Versatile
*by R***N on October 10, 2025*

I've been tackling more home projects lately, from assembling flat-pack furniture to minor car tweaks, and this DCWecher 20-piece Allen wrench drill bit set has become my go-to for hex screw jobs. At just $6.49, it's an absolute steal compared to pricier brands, and after a month of regular use with my DeWalt impact driver and cordless drill, it's held up like a champ. The set includes a perfect mix: 10 metric sizes (1.5mm to 8mm) and 10 SAE (5/64" to 5/16"), all clearly labeled on each 2-inch bit for quick grabs. The S2 alloy steel construction with 60 HRC hardness feels premium— they've taken moderate torque without bending, stripping, or losing their edge, even on stubborn bike rack bolts. The manganese phosphate finish adds a nice rust-resistant layer, which is great for my garage storage. What stands out is the magnetic tips: strong enough to hold screws securely without them dropping mid-job, and the magnetism hasn't faded after dozens of uses. The precision-ground hex tips provide a deep, snug fit that minimizes cam-out, making driving faster and safer. They lock perfectly into my 1/4" hex shank tools with no wobble, and the compact organizer case keeps everything tidy. A minor note: the magnets are potent for small to medium screws but might not grip extra-large ones as firmly—still, that's rare for my needs. Overall, this set has saved me hours on IKEA builds and auto repairs, and it's boosted my confidence in power-tool hex work. If you're a DIYer or mechanic on a budget, don't skip this—it's tough, practical, and outperforms its price tag every time. Highly recommended!

## Frequently Bought Together

- 20-PCS Allen Key/Allen Wrench Drill Bit Set, Impact Hex Bits (Metric & SAE) 2 Inch Long, Premium S2 Steel, 1/4'' Hex - Shank, Magnetic Head, for DIY Furniture Assembly & Car Repairs, by DCWecher
- JVSEYTE 4 PCS Plastic Razor Blade Scraper and 120 PCS Plastic Razor Blades, Cleaning Scraper Tool for Remover, Adhesive, Stickers, Decals, Glass, Labels, Cars Windows
- Transparent Sticky Notes - 3x3 inch Clear, Waterproof Translucent Notes for Annotation - 300 Sheets

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*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-08-19*