Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

PROTO Impact Socket: 1/2 in Drive Size, SAE, 7/8 in Socket Size, 12-Point, Std - 1/2" Drive Impact Sockets
PROTO1/2" Drive Impact Sockets

PROTO Impact Socket: 1/2 in Drive Size, SAE, 7/8 in Socket Size, 12-Point, Std

The PROTO Impact Socket (SKU J7428, MPN J7428) is a 1/2" drive impact socket with a 7/8 in SAE socket size and 12-point configuration. It features a Black Oxide finish and has a standard overall length of 1 5/8 in.

SKU 3G-OTH-297750

Also listed as: J 7428 · J-7428

Brand
PROTO
Item
Impact Socket: 1/2 in Drive Size, SAE, 7/8 in Socket Size, 12-Point, Std
Category
1/2" Drive Impact Sockets
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

PROTO
Manufacturer Part Number
J7428
Type
SAE, 12-Point, Std
Overall Lg
1 5/8 in
Socket Size
7/8 in

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The PROTO Impact Socket (SKU J7428, MPN J7428) is a 1/2" drive impact socket with a 7/8 in SAE socket size and 12-point configuration. It features a Black Oxide finish and has a standard overall length of 1 5/8 in.

Frequently Asked Questions

What is the PROTO Impact Socket J7428 used for?

The PROTO Impact Socket J7428 is used for tightening or loosening fasteners with impact tools in automotive, industrial, and heavy equipment maintenance. Its 1/2 in drive and 7/8 in SAE 12-point design suits high-torque applications on bolts and nuts, providing durability under repeated impact loads.

What are the specifications of the PROTO Impact Socket J7428?

The PROTO Impact Socket J7428 has a 1/2 in drive size, 7/8 in SAE socket size, 12-point configuration, and standard overall length of 1 5/8 in. It features a Black Oxide finish for corrosion resistance. The manufacturer part number is J7428, and it is designed for use with impact wrenches.

Where to buy the PROTO Impact Socket J7428 worldwide?

You can source the PROTO Impact Socket J7428 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we provide reliable sourcing for this PROTO impact socket.

How to select the correct PROTO impact socket size?

To select the correct PROTO impact socket, match the drive size (e.g., 1/2 in) to your impact wrench, and choose the socket size (e.g., 7/8 in) that fits the fastener head. For SAE fasteners, use a 12-point socket for hex or square bolts. Ensure the socket is impact-rated to avoid breakage under torque.

Used in

Common applications for PROTO
Automotive assembly — PROTO J72102 impact socket set for fastening lug nuts on production lines
Heavy equipment maintenance — PROTO J3772T flare nut wrench for hydraulic line fittings on excavators
General industrial repair — PROTO J795SA adjustable wrench set for tightening bolts on conveyor systems
Aerospace manufacturing — PROTO J5240A slotted bit socket for adjusting fasteners in confined spaces
Oil and gas pipeline work — PROTO J5438 12-point socket for valve assembly in refineries
Construction site toolkits — PROTO J8179-T500 double box wrench for structural steel bolting

PROTO Products

3G Electric supplies PROTO 1/2" drive impact sockets. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
PROTO Impact Socket: 1/2 in Drive Size, SAE, 5/8 in Socket Size, 8-Point, Std, 1 1/2 in Overall Lg (MPN J7420S)
PROTO
PROTO Impact Socket: 1/2 in Drive Size, SAE, 5/8 in Socket Size, 8-Point, Std, 1 1/2 in Overall Lg (MPN J7420S)
PROTO Impact Socket: 1/2 in Drive Size, SAE, 1 1/8 in Socket Size, 12-Point, Std, 2 in Overall Lg (MPN J7436)
PROTO
PROTO Impact Socket: 1/2 in Drive Size, SAE, 1 1/8 in Socket Size, 12-Point, Std, 2 in Overall Lg (MPN J7436)
PROTO Impact Socket: 1/2 in Drive Size, SAE, 7/8 in Socket Size, 8-Point, Std, 1 1/2 in Overall Lg (MPN J7428S)
PROTO
PROTO Impact Socket: 1/2 in Drive Size, SAE, 7/8 in Socket Size, 8-Point, Std, 1 1/2 in Overall Lg (MPN J7428S)
PROTO Impact Socket: 1/2 in Drive Size, SAE, 7/16 in Socket Size, 8-Point, Std, 1 1/2 in Overall Lg (MPN J7414S)
PROTO
PROTO Impact Socket: 1/2 in Drive Size, SAE, 7/16 in Socket Size, 8-Point, Std, 1 1/2 in Overall Lg (MPN J7414S)
PROTO Impact Socket: 1/2 in Drive Size, SAE, 1/2 in Socket Size, 8-Point, Std, 1 1/2 in Overall Lg (MPN J7416S)
PROTO
PROTO Impact Socket: 1/2 in Drive Size, SAE, 1/2 in Socket Size, 8-Point, Std, 1 1/2 in Overall Lg (MPN J7416S)
PROTO Impact Socket: 1/2 in Drive Size, SAE, 3/4 in Socket Size, 8-Point, Std, 1 1/2 in Overall Lg (MPN J7424S)
PROTO
PROTO Impact Socket: 1/2 in Drive Size, SAE, 3/4 in Socket Size, 8-Point, Std, 1 1/2 in Overall Lg (MPN J7424S)

More from PROTO

View all PROTO parts
PROTO Impact Socket: 1/2 in Drive Size, Metric, 27 mm Socket Size, 6-Point, Deep, Black Oxide (MPN J7327M)
PROTO
PROTO Impact Socket: 1/2 in Drive Size, Metric, 27 mm Socket Size, 6-Point, Deep, Black Oxide (MPN J7327M)
PROTO Impact Socket: 1/2 in Drive Size, Metric, 22 mm Socket Size, 6-Point, Std, 1 5/8 in Overall Lg (MPN J7422M)
PROTO
PROTO Impact Socket: 1/2 in Drive Size, Metric, 22 mm Socket Size, 6-Point, Std, 1 5/8 in Overall Lg (MPN J7422M)
PROTO Impact Socket: 1/2 in Drive Size, SAE, 13/16 in Socket Size, 8-Point, Deep, Black Oxide (MPN J7326S)
PROTO
PROTO Impact Socket: 1/2 in Drive Size, SAE, 13/16 in Socket Size, 8-Point, Deep, Black Oxide (MPN J7326S)
PROTO Impact Socket: 1/2 in Drive Size, SAE, 1/2 in Socket Size, 6-Point, Deep, 3 1/4 in Overall Lg (MPN J7316H)
PROTO
PROTO Impact Socket: 1/2 in Drive Size, SAE, 1/2 in Socket Size, 6-Point, Deep, 3 1/4 in Overall Lg (MPN J7316H)
PROTO Impact Socket: 1/2 in Drive Size, Metric, 18 mm Socket Size, 12-Point, Std, Black Oxide (MPN J7418MT)
PROTO
PROTO Impact Socket: 1/2 in Drive Size, Metric, 18 mm Socket Size, 12-Point, Std, Black Oxide (MPN J7418MT)
PROTO Impact Socket: 1/2 in Drive Size, Metric, 14 mm Socket Size, 6-Point, Std, 1 1/2 in Overall Lg (MPN J7414M)
PROTO
PROTO Impact Socket: 1/2 in Drive Size, Metric, 14 mm Socket Size, 6-Point, Std, 1 1/2 in Overall Lg (MPN J7414M)
PROTO Impact Socket: 1/2 in Drive Size, SAE, 15/16 in Socket Size, 6-Point, Std, 1 3/4 in Overall Lg (MPN J7430H)
PROTO
PROTO Impact Socket: 1/2 in Drive Size, SAE, 15/16 in Socket Size, 6-Point, Std, 1 3/4 in Overall Lg (MPN J7430H)
PROTO Impact Socket: 1/2 in Drive Size, SAE, 11/16 in Socket Size, 12-Point, Std, Black Oxide (MPN J7422)
PROTO
PROTO Impact Socket: 1/2 in Drive Size, SAE, 11/16 in Socket Size, 12-Point, Std, Black Oxide (MPN J7422)