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3G Electric
AMPCO 4428 Metric Single End 12-Point Box End Nonsparking Wrench, 28 mm - Metric, Single End, 12-Point, Box End Nonsparking Wrenches
AMPCOMetric, Single End, 12-Point, Box End Nonsparking Wrenches

AMPCO 4428 Metric Single End 12-Point Box End Nonsparking Wrench, 28 mm

The AMPCO Box End Wrench: Natural is a metric, single-end, 12-point, box end nonsparking wrench. It features a 28 mm head size, 9 in overall length, standard design, and 0° head offset angle (MPN 4428). This tool is…

SKU 3G-OTH-278088

Brand
AMPCO
Item
4428 Metric Single End 12-Point Box End Nonsparking Wrench, 28 mm
Part Number
4428
Category
Metric, Single End, 12-Point, Box End Nonsparking Wrenches
Available to Order
Also known as:4428AMPCO
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.

Technical Specifications

AMPCO
Manufacturer Part Number
4428
Type
Std
Overall Lg
9 in
Head Size
28 mm
Head Offset Angle
0°

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

Product Description

The AMPCO Box End Wrench: Natural is a metric, single-end, 12-point, box end nonsparking wrench. It features a 28 mm head size, 9 in overall length, standard design, and 0° head offset angle (MPN 4428). This tool is part of AMPCO's nonsparking product line.

Frequently Asked Questions

What is the AMPCO Box End Wrench used for?

The AMPCO Box End Wrench is a nonsparking tool designed for use in hazardous environments where flammable gases, vapors, or combustible dusts are present. It is commonly used in oil refineries, chemical plants, and mining operations to safely tighten or loosen fasteners without generating sparks that could ignite a fire or explosion.

What are the specifications of the AMPCO Box End Wrench 4428?

The AMPCO Box End Wrench 4428 is a metric, single-end, 12-point, box end nonsparking wrench. It has a 28 mm head size, 9 in overall length, standard type, and 0° head offset angle. The finish is natural, and it is manufactured by AMPCO. This tool is designed for nonsparking applications in hazardous locations.

Where to buy the AMPCO Box End Wrench in worldwide?

You can source the AMPCO Box End Wrench 4428 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 competitive pricing and reliable sourcing for this nonsparking tool.

How to select the correct AMPCO Box End Wrench size?

To select the correct AMPCO Box End Wrench, match the head size to the fastener you need to turn. For this model, the head size is 28 mm, suitable for metric bolts. Ensure the overall length (9 in) provides adequate leverage for your application. Always verify the tool is nonsparking for use in hazardous environments, as per AMPCO's specifications.

Used in

Common applications for AMPCO
Oil and gas refineries — AMPCO non-sparking wrenches and pliers for maintenance on pressurized systems
Chemical processing plants — AMPCO beryllium copper screwdrivers for electrical work in classified areas
Mining operations — AMPCO rock picks and hammers for chipping and breaking in potentially explosive dust environments
Aerospace manufacturing — AMPCO non-sparking sockets and wrenches for assembly in fuel handling zones
Pharmaceutical production — AMPCO non-sparking tools for equipment maintenance in solvent-rich areas
Marine and offshore — AMPCO aluminum bronze tools for corrosion-resistant performance in salt-laden atmospheres
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AMPCO Products

3G Electric supplies AMPCO metric, single end, 12-point, box end nonsparking wrenches. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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