PROTO J5278HA 3/8" Drive SAE Flex Socket, 11/16", 6-Point, Chrome
The PROTO J5278HA is a 3/8" Drive SAE Flex Socket with an 11/16" socket size and 6-point standard configuration. It features a chrome finish and is not tether capable.
SKU 3G-OTH-307970
Local availability & support
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
Need installation or engineering help?
Ask a question
Product Description
The PROTO J5278HA is a 3/8" Drive SAE Flex Socket with an 11/16" socket size and 6-point standard configuration. It features a chrome finish and is not tether capable.
Frequently Asked Questions
What is the PROTO J5278HA flex socket used for?
The PROTO J5278HA is a 3/8" drive SAE flex socket used for turning fasteners in tight or offset spaces. Its 11/16" 6-point chrome design suits automotive, industrial, and maintenance applications where a standard socket cannot reach.
What are the specifications of the PROTO J5278HA flex socket?
The PROTO J5278HA has a 3/8" drive size, 11/16" socket size, 6-point standard configuration, chrome finish, and is not tether capable. It is manufactured by PROTO under part number J5278HA.
Where to buy the PROTO J5278HA flex socket worldwide?
3G Electric supplies the PROTO J5278HA flex socket worldwide. We handle full logistics, customs clearance, and delivery to global destinations as an industrial equipment distributor established in 1990.
How to select the correct PROTO flex socket size?
To select the correct PROTO flex socket, match the drive size (3/8") to your ratchet, and the socket size (11/16") to the fastener. The 6-point design provides better grip on hex bolts, and the chrome finish resists corrosion.
Used in
Common applications for PROTOPROTO Products
3G Electric supplies PROTO 3/8" drive sae flex sockets. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.