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AMPCO Box End Wrench: Natural, 71 mm Head Size, 22 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, 71 mm Head Size, 22 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 71 mm head size, 22 in overall length, standard design, and 0° head offset angle (MPN 4478).

SKU 3G-OTH-278106

Brand
AMPCO
Item
Box End Wrench: Natural, 71 mm Head Size, 22 in Overall Lg, Std
Category
Metric, Single End, 12-Point, Box End Nonsparking Wrenches
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Technical Specifications

AMPCO
Manufacturer Part Number
4478
Type
Std
Overall Lg
22 in
Head Size
71 mm
Head Offset Angle
0°
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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 71 mm head size, 22 in overall length, standard design, and 0° head offset angle (MPN 4478).

Frequently Asked Questions

What is the AMPCO Box End Wrench used for?

The AMPCO Box End Wrench is used in hazardous environments where sparking tools could ignite flammable gases or dust. Its nonsparking construction makes it suitable for oil refineries, chemical plants, and mining operations. 3G Electric supplies this wrench globally for industrial safety applications.

What are the specifications of the AMPCO Box End Wrench?

The AMPCO Box End Wrench (MPN 4478) has a 71 mm head size, 22 in overall length, standard type, 0° head offset angle, and a 12-point box end. It is metric, single-end, and nonsparking with a natural finish. 3G Electric sources this genuine AMPCO tool for worldwide delivery.

Where to buy the AMPCO Box End Wrench worldwide?

3G Electric supplies the AMPCO Box End Wrench worldwide. As a global industrial solutions provider, we handle logistics, customs clearance, and delivery to your facility. Contact us to order the genuine AMPCO 4478 nonsparking wrench for your safety-critical operations.

How to select the right nonsparking wrench size?

Select a nonsparking wrench like the AMPCO 4478 by matching the head size to your fastener. For this model, the 71 mm head fits metric bolts. Ensure the overall length (22 in) provides sufficient torque. 3G Electric can help you choose the correct AMPCO tool for your application.

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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