What type of pin and lock ring do I need to secure this

You don’t fits on half inch impact gun and bits drop in and self lock

Will this bit fit on my dewalt combi drill to enable me to use my drill as a socket wrench

No, as the description suggests this is a 1/2 inch to 1/4 inch adapter to be used with a wrench with a 1/2 inch wrench. This will not fit your "drill" as this is specifically designed to be used by a "wrench"!

Can i use it with standard ratchet?

If you have a half inch 1/2" wrench then this will fit onto the 1/2" square wrench and you can then use 1/4" hex tools with it! It really is that simple, just make sure that you use impact bits if your using an impact wrench however no need if it's a manual wrench.

When I fit adaptor to wrench (1/2"), there is a fair bit play on it & not a snug fit which results in movement for any bits inserted, is this normal?

I have 2 Makita impact wrenches 1/2 anvil and it fits snug on board

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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DeWalt DT7508-QZ 1/4" Hex to 1/2" Square Impact Wrench Adapter

DeWalt DT7508-QZ 1/4" Hex to 1/2" Square Impact Wrench Adapter

Product ID: 48028058

Details

Brand
DEWALT
Finish type
Copper
Item length
0.25 Inches
Material
Stainless
Number of pieces
1

🎯Laser etched markings for quick ID

🔩1/4" Hex to 1/2" Square adapter

⚙️Hardened core for durability

Description

🔧 Upgrade your toolkit game—because every second counts!

BUILT TO LAST - Hardened core construction ensures maximum strength and long-lasting performance on tough jobs.
INSTANT IDENTIFICATION - Large laser-etched markings make tool swaps faster—no more fumbling in the toolbox.
UNIVERSAL COMPATIBILITY - Works flawlessly with both corded and cordless impact drivers and wrenches for ultimate flexibility.
ACCESS THE HARD TO REACH - Slimmer profile than standard wrench sockets lets you tackle tight spaces with ease.
PRECISION FIT FOR IMPACT DRIVERS - Seamlessly converts 1/4" hex bits to 1/2" square sockets, unlocking new tool versatility.

The DeWalt DT7508-QZ adapter transforms your 1/4" hex impact driver into a powerful 1/2" square drive tool. Crafted with a hardened core for exceptional durability and featuring laser-etched markings for quick identification, this slim adapter is designed to access tight spaces effortlessly. Compatible with both corded and cordless impact drivers and wrenches, it’s the perfect upgrade for professionals demanding efficiency and reliability.

Specifications

ASIN	B003HLUIF6
Batteries Required?	No
Batteries included?	No
Best Sellers Rank	17,756 in DIY & Tools ( See Top 100 in DIY & Tools ) 38 in Square Drive Sockets
Colour	Color
Compatible fastener range	Hexagonal zipper inside
Customer Reviews	4.6 4.6 out of 5 stars (5,062)
Date First Available	2 Mar. 2012
Finish	Painted
Guaranteed software updates until	unknown
Included Components	Components included
Item Package Quantity	1
Item Weight	100 g
Item model number	DT7508-QZ
Manufacturer	AmazonUk/3K3AF
Material	Stainless Steel
Measurement System	Metric
Number of Pieces	1
Part Number	DT7508-QZ
Power Source	AC
Product Dimensions	45.01 x 35 x 15.01 cm; 100 g
Size	One Size
Style	One size
Voltage	240 Volts

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