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

3G Electric
RFQ CartGet a QuoteSign inSign up
AMPCO Box End Wrench: Natural, 37 mm Head Size, 13 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, 37 mm Head Size, 13 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 37 mm head size, 13 in overall length, standard design, and a 0° head offset angle (MPN 4444).

SKU 3G-OTH-278112

Brand
AMPCO
Item
Box End Wrench: Natural, 37 mm Head Size, 13 in Overall Lg, Std
Category
Metric, Single End, 12-Point, Box End Nonsparking Wrenches
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
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

Technical Specifications

AMPCO
Manufacturer Part Number
4444
Type
Std
Overall Lg
13 in
Head Size
37 mm
Head Offset Angle
0°
View Full Spec Sheet

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

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 37 mm head size, 13 in overall length, standard design, and a 0° head offset angle (MPN 4444).

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. Its 12-point box end provides secure grip on metric fasteners, making it ideal for maintenance in chemical plants, oil refineries, and other explosive atmospheres.

What are the specifications of the AMPCO Box End Wrench?

The AMPCO Box End Wrench (MPN 4444) has a 37 mm head size, 13 in overall length, standard type, and 0° head offset angle. It is a metric, single-end, 12-point, box end nonsparking wrench in a Natural finish. These specs ensure precise fit and safe operation in confined spaces.

Where to buy the AMPCO Box End Wrench worldwide?

3G Electric supplies the AMPCO Box End Wrench (MPN 4444) to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this nonsparking wrench.

How to select the right AMPCO Box End Wrench?

Select the AMPCO Box End Wrench based on fastener size and application. For metric fasteners, choose the 37 mm head size. Ensure the 12-point box end matches the fastener type. The 0° offset angle suits straight-access work. Always verify the nonsparking rating 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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Similar products

Matched by specification & description
AMPCO Box End Wrench: Natural, 75 mm Head Size, 24 1/2 in Overall Lg, Std, 0° Head Offset Angle (MPN 4480). Key specifications — attr309427: Natural; attr309429: No; attr324926: AMPCO.
AMPCO
AMPCO Box End Wrench: Natural, 75 mm Head Size, 24 1/2 in Overall Lg, Std, 0° Head Offset Angle (MPN 4480). Key specifications — attr309427: Natural; attr309429: No; attr324926: AMPCO.
AMPCO Box End Wrench: Natural, 26 mm Head Size, 9 in Overall Lg, Std, 0° Head Offset Angle (MPN 4424). Key specifications — attr309427: Natural; attr309429: No; attr324926: AMPCO.
AMPCO
AMPCO Box End Wrench: Natural, 26 mm Head Size, 9 in Overall Lg, Std, 0° Head Offset Angle (MPN 4424). Key specifications — attr309427: Natural; attr309429: No; attr324926: AMPCO.
AMPCO Box End Wrench: Natural, 36 mm Head Size, 13 in Overall Lg, Std, 0° Head Offset Angle (MPN 4442). Key specifications — attr309427: Natural; attr309429: No; attr324926: AMPCO.
AMPCO
AMPCO Box End Wrench: Natural, 36 mm Head Size, 13 in Overall Lg, Std, 0° Head Offset Angle (MPN 4442). Key specifications — attr309427: Natural; attr309429: No; attr324926: AMPCO.
AMPCO Box End Wrench: Natural, 56 mm Head Size, 18 3/4 in Overall Lg, Std, 0° Head Offset Angle (MPN 4464). Key specifications — attr309427: Natural; attr309429: No; attr324926: AMPCO.
AMPCO
AMPCO Box End Wrench: Natural, 56 mm Head Size, 18 3/4 in Overall Lg, Std, 0° Head Offset Angle (MPN 4464). Key specifications — attr309427: Natural; attr309429: No; attr324926: AMPCO.
AMPCO Box End Wrench: Natural, 42 mm Head Size, 13 in Overall Lg, Std, 0° Head Offset Angle (MPN 4450). Key specifications — attr309427: Natural; attr309429: No; attr324926: AMPCO.
AMPCO
AMPCO Box End Wrench: Natural, 42 mm Head Size, 13 in Overall Lg, Std, 0° Head Offset Angle (MPN 4450). Key specifications — attr309427: Natural; attr309429: No; attr324926: AMPCO.
AMPCO Box End Wrench: Natural, 70 mm Head Size, 22 in Overall Lg, Std, 0° Head Offset Angle (MPN 4476). Key specifications — attr309427: Natural; attr309429: No; attr324926: AMPCO.
AMPCO
AMPCO Box End Wrench: Natural, 70 mm Head Size, 22 in Overall Lg, Std, 0° Head Offset Angle (MPN 4476). Key specifications — attr309427: Natural; attr309429: No; attr324926: AMPCO.

More from AMPCO

View all AMPCO parts →
AMPCO Box End Wrench: Natural, 41 mm Head Size, 13 in Overall Lg, Std, 0° Head Offset Angle (MPN 4448). Key specifications — attr309427: Natural; attr309429: No; attr324926: AMPCO.
AMPCO
AMPCO Box End Wrench: Natural, 41 mm Head Size, 13 in Overall Lg, Std, 0° Head Offset Angle (MPN 4448). Key specifications — attr309427: Natural; attr309429: No; attr324926: AMPCO.
AMPCO Box End Wrench: Natural, 77 mm Head Size, 24 1/2 in Overall Lg, Std, 0° Head Offset Angle (MPN 4482). Key specifications — attr309427: Natural; attr309429: No; attr324926: AMPCO.
AMPCO
AMPCO Box End Wrench: Natural, 77 mm Head Size, 24 1/2 in Overall Lg, Std, 0° Head Offset Angle (MPN 4482). Key specifications — attr309427: Natural; attr309429: No; attr324926: AMPCO.
AMPCO Box End Wrench: Natural, 80 mm Head Size, 24 1/2 in Overall Lg, Std, 0° Head Offset Angle (MPN 4484). Key specifications — attr309427: Natural; attr309429: No; attr324926: AMPCO.
AMPCO
AMPCO Box End Wrench: Natural, 80 mm Head Size, 24 1/2 in Overall Lg, Std, 0° Head Offset Angle (MPN 4484). Key specifications — attr309427: Natural; attr309429: No; attr324926: AMPCO.
AMPCO Box End Wrench: Natural, 82 mm Head Size, 24 1/2 in Overall Lg, Std, 0° Head Offset Angle (MPN 4486). Key specifications — attr309427: Natural; attr309429: No; attr324926: AMPCO.
AMPCO
AMPCO Box End Wrench: Natural, 82 mm Head Size, 24 1/2 in Overall Lg, Std, 0° Head Offset Angle (MPN 4486). Key specifications — attr309427: Natural; attr309429: No; attr324926: AMPCO.
AMPCO Box End Wrench: Natural, 35 mm Head Size, 13 in Overall Lg, Std, 0° Head Offset Angle (MPN 4440). Key specifications — attr309427: Natural; attr309429: No; attr324926: AMPCO.
AMPCO
AMPCO Box End Wrench: Natural, 35 mm Head Size, 13 in Overall Lg, Std, 0° Head Offset Angle (MPN 4440). Key specifications — attr309427: Natural; attr309429: No; attr324926: AMPCO.
AMPCO Box End Wrench: Natural, 34 mm Head Size, 10 1/2 in Overall Lg, Std, 0° Head Offset Angle (MPN 4438). Key specifications — attr309427: Natural; attr309429: No; attr324926: AMPCO.
AMPCO
AMPCO Box End Wrench: Natural, 34 mm Head Size, 10 1/2 in Overall Lg, Std, 0° Head Offset Angle (MPN 4438). Key specifications — attr309427: Natural; attr309429: No; attr324926: AMPCO.
AMPCO Box End Wrench: Natural, 24 mm Head Size, 9 in Overall Lg, Std, 0° Head Offset Angle (MPN 4420). Key specifications — attr309427: Natural; attr309429: No; attr324926: AMPCO.
AMPCO
AMPCO Box End Wrench: Natural, 24 mm Head Size, 9 in Overall Lg, Std, 0° Head Offset Angle (MPN 4420). Key specifications — attr309427: Natural; attr309429: No; attr324926: AMPCO.
AMPCO Box End Wrench: Natural, 18 mm Head Size, 7 1/2 in Overall Lg, Std, 0° Head Offset Angle (MPN 4408). Key specifications — attr309427: Natural; attr309429: No; attr324926: AMPCO.
AMPCO
AMPCO Box End Wrench: Natural, 18 mm Head Size, 7 1/2 in Overall Lg, Std, 0° Head Offset Angle (MPN 4408). Key specifications — attr309427: Natural; attr309429: No; attr324926: AMPCO.