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PROTO J4990R-3/16 Hex Bit Socket, 3/16 in Tip, 2-3/4 in Length - Hex Bit Sockets
PROTOHex Bit Sockets

PROTO J4990R-3/16 Hex Bit Socket, 3/16 in Tip, 2-3/4 in Length

The PROTO J4990R-3/16 is a 3/8 in drive size hex bit socket with a 3/16 in hex tip and 2 3/4 in overall length. It features a fixed insert design and is manufactured by PROTO under part number J4990R-3/16.

SKU 3G-OTH-305471

Also listed as: J4990R316 · J4990R 3 16 · J4990R-3-16

Brand
PROTO
Item
J4990R-3/16 Hex Bit Socket, 3/16 in Tip, 2-3/4 in Length
Part Number
J4990R-3/16
Category
Hex Bit Sockets
Available to Order
Also known as:J4990R-3/16PROTO
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Technical Specifications

PROTO
Manufacturer Part Number
J4990R-3/16
Type
Hex Tip, Fixed Insert
Overall Lg
2 3/4 in
Tip Size
3/16 in

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

Product Description

The PROTO J4990R-3/16 is a 3/8 in drive size hex bit socket with a 3/16 in hex tip and 2 3/4 in overall length. It features a fixed insert design and is manufactured by PROTO under part number J4990R-3/16.

Frequently Asked Questions

What is the PROTO J4990R-3/16 hex bit socket used for?

The PROTO J4990R-3/16 is a 3/8 in drive hex bit socket with a 3/16 in hex tip, designed for driving hex fasteners in industrial maintenance, assembly, and repair applications across machining, material handling, and other plant operations.

What are the specifications of the PROTO J4990R-3/16?

The PROTO J4990R-3/16 has a 3/8 in drive size, 3/16 in hex tip size, 2 3/4 in overall length, and a fixed insert design. It is a hex bit socket manufactured by PROTO under part number J4990R-3/16.

Where to buy the PROTO J4990R-3/16 hex bit socket worldwide?

3G Electric supplies the PROTO J4990R-3/16 hex bit socket worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility, ensuring you receive genuine PROTO tools wherever you are located.

How to select the correct hex bit socket for a 3/8 in drive?

To select the correct hex bit socket, match the drive size (3/8 in) to your ratchet or driver, and choose a tip size (e.g., 3/16 in) that fits your fastener. The PROTO J4990R-3/16 offers a fixed insert design for secure engagement in repetitive tasks.

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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