PROTO Socket Bit: 3/8 in Drive Size, Hex Tip, 5 mm Tip Size, 2 23/32 in Overall Lg
The PROTO Socket Bit (MPN J4990-5M) is a hex bit socket with a 3/8 in drive size and a 5 mm hex tip size. It features a fixed insert design and has an overall length of 2 23/32 in. This PROTO-branded tool is a…
SKU 3G-OTH-305463
Also listed as: J49905M · J4990 5M
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
The PROTO Socket Bit (MPN J4990-5M) is a hex bit socket with a 3/8 in drive size and a 5 mm hex tip size. It features a fixed insert design and has an overall length of 2 23/32 in. This PROTO-branded tool is a fixed-insert hex bit socket.
Frequently Asked Questions
What is the PROTO J4990-5M socket bit used for?
The PROTO J4990-5M hex bit socket is used for driving hex-head fasteners in industrial assembly, maintenance, and repair applications. Its 3/8 in drive and 5 mm hex tip make it suitable for precision torque applications in automotive, manufacturing, and mechanical trades.
What are the specifications of the PROTO J4990-5M socket bit?
The PROTO J4990-5M is a fixed-insert hex bit socket with a 3/8 in drive size, a 5 mm hex tip size, and an overall length of 2 23/32 in. It is a PROTO-branded tool designed for reliable engagement with hex fasteners in confined spaces.
Where to buy the PROTO J4990-5M socket bit worldwide?
3G Electric supplies the PROTO J4990-5M hex bit socket worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this PROTO-branded tool.
How to select the correct PROTO hex bit socket for my application?
To select the correct PROTO hex bit socket, match the drive size (e.g., 3/8 in) to your ratchet or driver, and the tip size (e.g., 5 mm) to the fastener. Consider overall length for access. The J4990-5M fixed-insert design suits high-torque applications where bit retention is critical.
Used in
Common applications for PROTOPROTO Products
3G Electric supplies PROTO hex bit sockets. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
