PROTO Impact Socket: 3/8 in Drive Size, SAE, 5/8 in Socket Size, 6-Point, Deep
The PROTO Impact Socket (SKU 1AT44, MPN J7720H) is a 3/8" drive, deep, 6-point SAE impact socket with a 5/8" socket size and 2 3/4" overall length. It features a Black Oxide finish.
SKU 3G-OTH-294900
Need installation or engineering help?
Ask a question
Product Description
The PROTO Impact Socket (SKU 1AT44, MPN J7720H) is a 3/8" drive, deep, 6-point SAE impact socket with a 5/8" socket size and 2 3/4" overall length. It features a Black Oxide finish.
Frequently Asked Questions
What is the PROTO J7720H impact socket used for?
The PROTO J7720H is a 3/8" drive, deep, 6-point SAE impact socket designed for heavy-duty fastening and loosening of 5/8" hex fasteners in automotive, industrial, and maintenance applications. Its deep design allows access to recessed bolts, and the Black Oxide finish provides corrosion resistance.
What are the specifications of the PROTO J7720H impact socket?
The PROTO J7720H impact socket has a 3/8" drive size, SAE sizing, 5/8" socket size, 6-point configuration, deep length, and 2 3/4" overall length. It features a Black Oxide finish and is manufactured by PROTO under MPN J7720H.
Where to buy the PROTO J7720H impact socket worldwide?
3G Electric supplies the PROTO J7720H impact socket worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.
How to select the correct PROTO impact socket for your application?
To select the correct PROTO impact socket, match the drive size (3/8") to your ratchet or impact wrench, the socket size (5/8") to the fastener head, and choose deep length for recessed bolts. Ensure the socket is impact-rated (6-point) for high-torque use to prevent rounding.
Used in
Common applications for PROTOPROTO Products
3G Electric supplies PROTO 3/8" drive impact sockets. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















