Magnetic Bit Holder - 60mm ¼" Hex for Impact Drivers

Magnetic Bit Holder

The Magnetic Bit Holder is a 60mm ¼" hex holder designed specifically for use with impact drivers. Screwdriver bits are held magnetically for accurate, controlled driving, and the shock absorbing torsion design is built to handle the high-torque impact forces an impact driver generates, protecting both the holder and the bit during sustained use. The blackened hex shank and body provide additional grip. Manufactured from chrome vanadium steel, correctly hardened and tempered for strength and durability.

Two variants are available: the standard magnetic holder (BMBHSTD), manufactured from chrome vanadium steel and stainless steel, and the quick-release magnetic holder (BMBHQS), which adds a pull-back collar for faster bit changes without losing the magnetic retention or impact-rated performance.

Why Choose the Magnetic Bit Holder?

• Impact-rated torsion design: The shock absorbing torsion design is built specifically to handle the high-torque burst forces an impact driver produces. A standard non-impact bit holder used in an impact driver can crack or deform under repeated use. This holder is designed to absorb and withstand those forces.

• Magnetic bit retention: Screwdriver bits are secured magnetically, keeping them centred and held in position during driving. This reduces dropped bits and mis-starts, particularly when working overhead or in awkward positions.

• Blackened hex shank and body: The blackened finish provides additional surface grip on both the shank and the body, reducing the risk of the holder slipping in the chuck during high-torque operation.

• Chrome vanadium steel construction: CRV steel is correctly hardened and tempered for strength and durability, giving the holder a service life suited to sustained site and trade use.

• Choice of variants: The standard holder suits operatives who change bits occasionally. The quick-release variant suits those who change bits frequently throughout the shift, allowing faster changes without removing the holder from the driver.

What's included

BMBHSTD (Standard Magnetic Bit Holder):

• 1 x 60mm ¼" hex magnetic bit holder, chrome vanadium and stainless steel

BMBHQS (Quick-Release Magnetic Bit Holder):

• 1 x 60mm ¼" hex quick-release magnetic bit holder, chrome vanadium steel

 Specifications

Variant Specificatios

Compatibility

Who Is This For?

This bit holder is for electricians, carpenters, joiners, groundworkers, general contractors, and site operatives who use an impact driver as their primary screwdriving tool and need a reliable, impact-rated holder for ¼" hex screwdriver bits. The standard variant suits operatives who work with one or two bit types per session. The quick-release variant suits those who switch between bit types frequently throughout the working day.

Typical Applications

• Driving screws with an impact driver on timber, metal, and composite materials

• Any screwdriving application where an impact driver is used and bit security during driving is important

• High-volume screwdriving where frequent bit changes are needed throughout the shift (quick-release variant)

• Overhead or awkward-angle driving where magnetic bit retention prevents dropped bits

• First and second fix carpentry, dry lining, decking, fencing, and general site assembly work

How to Use

1. Insert the ¼" hex male shank of the bit holder into the ¼" hex chuck of the impact driver and lock it in place.

2. Insert the ¼" hex screwdriver bit into the female end of the holder. The magnet will retain the bit securely.

3. Position the bit on the fastener head and drive as normal.

4. To change a bit on the standard holder (BMBHSTD): pull the bit free from the magnetic holder by hand.

5. To change a bit on the quick-release holder (BMBHQS): pull back the collar with one hand to release the magnetic retention, then remove and replace the bit.

6. Insert the new bit until the magnet engages and proceed.

Safety

• Always ensure the impact driver is switched off and the trigger is not engaged before changing bits or adjusting the holder.

• Do not use this holder with bits whose shank diameter does not match the ¼" hex socket. An incorrectly seated bit can be ejected under impact force.

• Inspect the holder before each use for cracks, deformation, or damage to the magnetic retention area. Remove from service if damage is found.

• Wear appropriate eye protection during all impact driving operations.

Maintenance

• Remove accumulated swarf and debris from the magnetic end of the holder after use. Metallic debris attracted by the magnet can prevent correct bit seating.

• Check the magnetic retention strength periodically. A weakened magnet that no longer holds bits securely should be replaced.

• On the quick-release variant (BMBHQS), check the pull-back collar operates smoothly before each use. A stiff or damaged collar should be replaced.

• Store in a dry location to prevent corrosion on the shank and body.

Frequently Asked Questions

Q: What is the difference between the standard holder (BMBHSTD) and the quick-release holder (BMBHQS)?

 A: Both holders are 60mm, ¼" hex, magnetically retaining, and impact rated. The difference is the bit change mechanism. The standard holder (BMBHSTD) retains the bit magnetically and the bit is pulled free by hand to change it. The quick-release holder (BMBHQS) adds a pull-back collar that releases the magnetic retention when pulled back, allowing faster bit changes with one hand. The standard holder suits operatives who change bits occasionally. The quick-release suits those who change bits frequently throughout the shift.

Q: Why does an impact driver need a specific bit holder?

A: An impact driver delivers torque in short, sharp high-force bursts rather than continuous rotation. A standard non-impact bit holder is not built to absorb these forces and can crack, deform, or fail under repeated impact use. The shock absorbing torsion design in this holder is built specifically to handle impact driver forces, protecting the holder and the bit during sustained use.

Q: What size screwdriver bits does this holder accept?

 A: This holder accepts standard ¼" hex screwdriver bits. The female end is ¼" hex and will accept any standard ¼" hex bit including Phillips, Pozidrive, Torx, slotted, and hex drive bits.

Q: Will this holder work with a standard drill as well as an impact driver?

 A: This holder is designed and rated for impact driver use. It will fit any tool with a ¼" hex chuck, but its impact-rated torsion design makes it particularly suited to impact drivers where standard holders are not appropriate.

Q: Does the magnetic retention affect the screwdriver bits over time?

 A: No. The magnetic field used to retain bits in this type of holder is not strong enough to affect the performance or material properties of standard screwdriver bits during normal use.

Q: Which variant should I choose?

 A: If you change bits occasionally, the standard holder (BMBHSTD) is the right choice. If you change bits frequently throughout the shift, the quick-release holder (BMBHQS) will save time and reduce interruptions. Both deliver the same magnetic retention, impact-rated performance, and torsion design.

Q: Why buy the Magnetic Bit Holder from CMT Group?

 A: CMT Group has supplied construction and trade professionals across the UK since 2010. Both variants of the Magnetic Bit Holder are held in stock for next working day delivery on orders placed online by 7pm. Trade account holders benefit from agreed contract pricing, full order visibility, and live delivery tracking through our EDGE procurement portal. Order online at cmt.co.uk.