Does this hold completely round drill bit shafts?

NO. It’s a magnetic chuck for holding HEX head sheet metal screws. 1/4” & 5/16” across the flats. Sorry. 🇺🇸

Is the 1/4 end tapered or flat like the 5/16 side

It's tapered down for the 1/4" side.

How does this piece hold up with a impact drill?

If the impact is too powerful, sometimes the magnet breaks. But the bits 1/4 and 5/16 holds pretty good. I don’t use this bit for 3”-4” self tapping screws 5/16hex, I only use this for service calls and opening panels for hvac.

MALCO MSHMLC 4-inch Cleanable Reversible 1/4-inch and 5/16-inch Hex Driver (1-Pack)

Product ID: 318512098

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Details

Brand
Malco
Finish type
Powder Coated
Item length
4 Inches
Material
Alloy Steel
Number of pieces
1

🔄Dual-sided reversible driver

🧲Magnetic hex tip with easy-clean feature

⚙️Tested torque equals one-piece drivers

Description

🔧 Flip, clean, and conquer every hex job like a pro!

MAGNET MAGIC - Powerful magnetic tip locks bits securely and repels metal shavings for a cleaner workspace.
BUILT TO LAST - Crafted from durable alloy steel with a powder-coated finish for long-lasting professional use.
CLEAN READY - Easy Clean Magnet lets you swipe away metal debris instantly—no downtime, no hassle.
SWITCH IN A SNAP - Effortlessly toggle between 1/4" and 5/16" hex sizes with a unique reversible design.
TRUSTED PERFORMANCE - Backed by a 4.7-star rating from over 4,300 pros who rely on Malco’s precision.

The MALCO MSHMLC 4-inch Cleanable Reversible Hex Driver is a precision-engineered tool featuring a dual-sided magnetic tip that quickly switches between 1/4" and 5/16" hex sizes. Made from durable alloy steel with a powder-coated finish, it offers tested torque performance equal to one-piece drivers. Its innovative Easy Clean Magnet design prevents metal shavings buildup, ensuring efficient, uninterrupted work. Trusted by thousands of professionals, this tool is a must-have for any serious toolkit.

Specifications

ASIN	B07KX4JKJN
ASIN	B07KX4JKJN
Bit Compatibilities	1/4 inch, 5/16 inch
Brand Name	Malco
Customer Reviews	4.7 4.7 out of 5 stars (4,349)
Customer reviews	4.7 4.7 out of 5 stars (4,349)
Date First Available	21 December 2018
Drive Bit Shank Style	Hex
Drive System	Hex
Finish Types	Powder Coated
Global Trade Identification Number	00686046549675
Included Components	1 Hex Driver
Is Discontinued By Manufacturer	No
Item Length	4 Inches
Item Weight	0.05 Kilograms
Item model number	MSHMLC
Manufacturer	MALCO PRODUCTS
Manufacturer	MALCO PRODUCTS
Material Type	Alloy Steel
Model Number	MSHMLC
Number of Pieces	1
Product Dimensions	10.16 x 6.35 x 0.76 cm; 50 g
UPC	686046549675
Unit Count	1.0 Count

Reviews

C**A

Es un artículo útil en la reparación de A/C complemento para mi caja de herramientas y atornillador eléctrico

20.09.2023

A**S

Item was good quality and exactly as required.

14.09.2025

D**K

Great 2in 1 tools,good magnet

19.07.2024

W**I

Quality product. Perfect length for most tasks and easy to flip. I see why Malco is recommended.

29.01.2026

M**A

Very useful and good quality

14.07.2023

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