PROTO Impact Socket: 1/2 in Drive Size, SAE, 7/8 in Socket Size, 6-Point, Std
The PROTO Impact Socket (MPN J7428H) is a 1/2" drive impact socket with a 7/8 in SAE socket size and a 6-point standard configuration. It features a Black Oxide finish and has an overall length of 1 5/8 in.
SKU 3G-OTH-297749
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Product Description
The PROTO Impact Socket (MPN J7428H) is a 1/2" drive impact socket with a 7/8 in SAE socket size and a 6-point standard configuration. It features a Black Oxide finish and has an overall length of 1 5/8 in.
Frequently Asked Questions
What is the PROTO J7428H impact socket used for?
The PROTO J7428H is a 1/2 in drive impact socket designed for heavy-duty fastening and loosening of 7/8 in SAE hex fasteners using impact wrenches. It is commonly used in automotive repair, industrial maintenance, and construction applications where high torque and durability are required.
What are the specifications of the PROTO J7428H impact socket?
The PROTO J7428H has a 1/2 in drive size, 7/8 in SAE socket size, 6-point standard configuration, and an overall length of 1 5/8 in. It features a Black Oxide finish for corrosion resistance and is manufactured by PROTO under part number J7428H.
Where to buy the PROTO J7428H impact socket worldwide?
3G Electric supplies the PROTO J7428H impact socket to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this PROTO part.
How to select the correct impact socket for a 7/8 in fastener?
For a 7/8 in SAE hex fastener, select a 1/2 in drive impact socket with a 6-point configuration to minimize rounding. The PROTO J7428H meets these requirements with a Black Oxide finish. Always match the drive size to your impact wrench and ensure the socket is rated for impact use.
Used in
Common applications for PROTOPROTO Products
3G Electric supplies PROTO 1/2" drive impact sockets. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















