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PROTO J4990-5M Hex Bit Socket, 5 mm Tip, 2 23/32 in Overall Length - Hex Bit Sockets
PROTOHex Bit Sockets

PROTO J4990-5M Hex Bit Socket, 5 mm Tip, 2 23/32 in Overall Length

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

Brand
PROTO
Item
J4990-5M Hex Bit Socket, 5 mm Tip, 2 23/32 in Overall Length
Part Number
J4990-5M
Category
Hex Bit Sockets
Available to Order
Also known as:J4990-5MPROTO
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Technical Specifications

PROTO
Manufacturer Part Number
J4990-5M
Type
Hex Tip, Fixed Insert
Overall Lg
2 23/32 in
Tip Size
5 mm

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PROTO Products
3G Electric (S) Pte. Ltd. — Singapore

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 PROTO
Industrial maintenance — PROTO J6014CXCERT micrometer torque wrench for tightening fasteners to 50–250 ft-lb with tether capability.
Assembly operations — PROTO J6345A electronic torque wrench for 5–50 ft-lb control with audible and visual indicators.
Plumbing and mechanical — PROTO J812HD straight pipe wrench with 2 in jaw capacity for gripping and turning pipes.
Precision fastening — PROTO J61929 multi-bit screw and nut driver kit with 26 alloy steel bits for assembly and maintenance.
Tool organization — PROTO JUC3743-3SG heavy-duty utility cart with drawers, power strip, and padlock for shop floor use.
Metric fastener service — PROTO JSCVM-20SB 20-piece ratcheting combination wrench set covering 6 mm to 32 mm.
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PROTO 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.

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