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AMPCO Box End Wrench: Natural, 27 mm Head Size, 9 in Overall Lg, Std - Metric, Single End, 12-Point, Box End Nonsparking Wrenches
AMPCOMetric, Single End, 12-Point, Box End Nonsparking Wrenches

AMPCO Box End Wrench: Natural, 27 mm Head Size, 9 in Overall Lg, Std

The AMPCO Box End Wrench is a metric, single-end, 12-point, box end nonsparking wrench in a natural finish. It features a 27 mm head size, 9 in overall length, standard pattern, and 0° head offset angle (MPN 4426).

SKU 3G-OTH-278081

Brand
AMPCO
Item
Box End Wrench: Natural, 27 mm Head Size, 9 in Overall Lg, Std
Category
Metric, Single End, 12-Point, Box End Nonsparking Wrenches
Available to Order
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Technical specs
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Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

AMPCO
Manufacturer Part Number
4426
Type
Std
Overall Lg
9 in
Head Size
27 mm
Head Offset Angle

Technical Documents

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

Product Description

The AMPCO Box End Wrench is a metric, single-end, 12-point, box end nonsparking wrench in a natural finish. It features a 27 mm head size, 9 in overall length, standard pattern, and 0° head offset angle (MPN 4426).

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 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 an explosion.

What are the specifications of the AMPCO Box End Wrench 4426?

The AMPCO Box End Wrench (MPN 4426) is a metric, single-end, 12-point box end wrench with a 27 mm head size and 9 in overall length. It has a standard pattern, 0° head offset angle, and a natural finish. The nonsparking material makes it suitable for use in explosive atmospheres.

Where to buy the AMPCO Box End Wrench worldwide?

You can source the AMPCO Box End Wrench (MPN 4426) 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 supply genuine AMPCO tools to procurement teams and plant engineers globally.

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 the 4426 model, the head size is 27 mm, suitable for metric bolts. Ensure the overall length (9 in) provides adequate torque for your application. Always verify the tool is nonsparking for use in hazardous locations.

Used in

Common applications for AMPCO
Oil and gas refinery maintenance — AMPCO combination wrench model 1512 for tightening flanges in classified areas
Chemical processing plant — AMPCO box-end wrench model 4422 for valve adjustment in volatile atmospheres
Grain handling facility — AMPCO open-end wrench model WO-22X23 for equipment repair in dust-hazard zones
Pharmaceutical manufacturing — AMPCO slotted screwdriver model S-39 for accessing control panels in cleanrooms
Mining operations — AMPCO impact socket model I-1D1-7/16 (4-PT) for heavy equipment maintenance underground
Aerospace fuel handling — AMPCO nut driver model ND-15MM for assembly of fuel system components

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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