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3G Electric
PROTO J5218H 3/8" Drive 6-Point SAE Socket, 9/16" - 3/8" Drive Hand Sockets
PROTO3/8" Drive Hand Sockets

PROTO J5218H 3/8" Drive 6-Point SAE Socket, 9/16"

The PROTO J5218H is a 3/8" Drive SAE hand socket with a 9/16" socket size and 6-point standard configuration. It features a Chrome finish and is not tether capable, manufactured by PROTO under MPN J5218H.

SKU 3G-OTH-319027

Brand
PROTO
Item
J5218H 3/8" Drive 6-Point SAE Socket, 9/16"
Part Number
J5218H
Category
3/8" Drive Hand Sockets
Available to Order
Also known as:J5218HPROTO
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Technical Specifications

PROTO
Manufacturer Part Number
J5218H
Type
6-Point, Std, Chrome, Not Tether Capable
Socket Size
9/16 in
Drive Size
3/8 in

Technical Documents

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

Product Description

The PROTO J5218H is a 3/8" Drive SAE hand socket with a 9/16" socket size and 6-point standard configuration. It features a Chrome finish and is not tether capable, manufactured by PROTO under MPN J5218H.

Frequently Asked Questions

What is the PROTO J5218H socket used for?

The PROTO J5218H is a 3/8" drive SAE hand socket used for tightening or loosening 9/16" hex fasteners in automotive, industrial, and mechanical maintenance applications. Its 6-point design provides a secure grip on bolt heads, reducing the risk of rounding.

What are the specifications of the PROTO J5218H socket?

The PROTO J5218H has a 3/8" drive size, 9/16" SAE socket size, 6-point configuration, and a standard depth. It features a Chrome finish for corrosion resistance and is not tether capable. The manufacturer part number is J5218H.

Where to buy the PROTO J5218H socket worldwide?

You can source the PROTO J5218H socket through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring the socket reaches your facility reliably.

How to select the correct PROTO socket for my application?

To select the correct PROTO socket, match the drive size (3/8") to your ratchet, the socket size (9/16") to your fastener, and choose a 6-point design for hex bolts. The Chrome finish suits general use; confirm tether requirements if needed for safety.

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 3/8" drive hand sockets. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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