Magnetic Hex Bit Extension Bar 123mm | 4mm Steel Shaft Adapter
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$3.71
Sale price
$3.71
Regular price
$4.60
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Magnetic Hex Bit Extension Bar 123mm | 4mm Steel Shaft Adapter
$3.71
Sale price
$3.71
Regular price
$4.60
Shipping calculated at checkout.
Reach Further with Every Drive
The Magnetic Metal Hex Bit Extension Bar is an essential workshop companion that lets you drive screws and fasteners in tight, hard-to-reach spaces where standard screwdrivers simply can't go. At 123mm long with a 4mm (1/8") hex shank, this alloy steel shaft slides into any compatible power drill, electric screwdriver, or manual handle and securely holds all standard 4mm hex bits thanks to its built-in magnetic tip.
Whether you're assembling flat-pack furniture, working inside a computer case, or fastening bolts in recessed cavities, this compact extension rod gives you the added length and magnetic grip you need to work confidently and efficiently.
Key Features
- Magnetic tip — keeps hex bits firmly in place for one-handed operation
- Universal compatibility — fits all standard 4mm / 1/8" hex bits
- Alloy steel construction — durable, corrosion-resistant, and built for repeated use
- 123mm length — extends reach into deep recesses, cavities, and confined spaces
- 4mm shaft diameter — slim profile for narrow access points
- Black finish — sleek, professional appearance
- Compact & lightweight — easy to store in any tool kit or drawer
Specifications
| Material | Alloy Steel |
| Length | 123 mm |
| Shaft Diameter | 4 mm |
| Hex Bit Size | 4mm / 1/8" |
| Color | Black |
| Quantity | 1 piece |
Package Includes
- 1 × Magnetic Metal Hex Bit Extension Shaft (123mm)
Made in China.
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For guidance on safe tool use and workshop best practices, visit the OSHA Hand & Power Tools Safety page.
Note: Screen color settings may cause slight variations in appearance. Please allow a small tolerance of ±1–2mm in measurements due to manual measurement methods.
Frequently Asked Questions
Q: What size hex bits does this magnetic extension bar fit?
A: This extension bar is designed to fit all standard 4mm (1/8") hex shank bits, making it compatible with the vast majority of common screwdriver bit sets used in DIY and professional settings.
Q: Can I use this extension bar with both power drills and manual screwdrivers?
A: Yes! The 4mm hex shank is universally compatible with power drills, electric screwdrivers, and manual hand drivers that accept hex bit shanks, giving you maximum versatility across your tool collection.
Q: How strong is the magnetic tip on this hex bit holder?
A: The built-in magnetic tip is strong enough to hold hex bits securely during normal use, allowing one-handed bit insertion and preventing drops in confined spaces. It is designed for standard driving tasks and everyday workshop use.
Q: Is this extension bar suitable for professional use?
A: Absolutely. Constructed from durable alloy steel with a hardened black finish, this extension shaft is built to withstand regular professional and DIY use. Its 123mm length makes it ideal for automotive work, electronics assembly, furniture building, and more.
Details
This product is crafted with quality materials to ensure durability and performance. Designed with your convenience in mind, it seamlessly fits into your everyday life.
Shipping & Returns
We strive to process and ship all orders in a timely manner, working diligently to ensure that your items are on their way to you as soon as possible.
We are committed to ensuring a positive shopping experience for all our customers. If for any reason you wish to return an item, we invite you to reach out to our team for assistance, and we will evaluate every return request with care and consideration.
