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PROTO J5228B 3/8" Drive 12-Point Socket, 7/8", Black Oxide - 3/8" Drive Hand Sockets
PROTO3/8" Drive Hand Sockets

PROTO J5228B 3/8" Drive 12-Point Socket, 7/8", Black Oxide

The PROTO Socket: SAE is a 3/8" Drive Hand Socket, model J5228B, featuring a 7/8" socket size with a 12-point standard configuration. It is finished in Black Oxide and manufactured by PROTO.

SKU 3G-OTH-319060

Brand
PROTO
Item
J5228B 3/8" Drive 12-Point Socket, 7/8", Black Oxide
Part Number
J5228B
Category
3/8" Drive Hand Sockets
Available to Order
Also known as:J5228BPROTO
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Technical Specifications

PROTO
Manufacturer Part Number
J5228B
Type
12-Point, Std, Black Oxide, Socket
Socket Size
7/8 in
Drive Size
3/8 in

Technical Documents

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

Product Description

The PROTO Socket: SAE is a 3/8" Drive Hand Socket, model J5228B, featuring a 7/8" socket size with a 12-point standard configuration. It is finished in Black Oxide and manufactured by PROTO.

Frequently Asked Questions

What is the PROTO J5228B socket used for?

The PROTO J5228B is a 3/8" drive hand socket used for tightening or loosening fasteners with a 7/8" hex head. Its 12-point design provides greater engagement angles, making it suitable for industrial maintenance, automotive repair, and assembly applications where precise torque control is required.

What are the specifications of the PROTO J5228B socket?

The PROTO J5228B is a 12-point, standard-length socket with a 3/8" drive size and 7/8" socket size. It features a black oxide finish for corrosion resistance and is manufactured by PROTO under part number J5228B. The socket is designed for SAE fasteners and is compatible with standard 3/8" drive ratchets and accessories.

Where to buy the PROTO J5228B socket worldwide?

The PROTO J5228B socket is available to order through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact 3G Electric for pricing and lead time on this PROTO socket.

How to select the correct PROTO socket for a 7/8" fastener?

To select the correct PROTO socket for a 7/8" fastener, ensure the drive size matches your ratchet (3/8" for the J5228B). Choose a 12-point socket for greater engagement on hex fasteners, and confirm the finish (black oxide) suits your environment. Always verify the fastener type and torque requirements before use.

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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