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AMPCO Hook Spanner Wrench: 31/32 in to 1 1/8 in, 5 1/4 in Overall Lg, 1/4 in Hook Thick - Fixed-Hook Spanner Wrenches
AMPCOFixed-Hook Spanner Wrenches

AMPCO Hook Spanner Wrench: 31/32 in to 1 1/8 in, 5 1/4 in Overall Lg, 1/4 in Hook Thick

The AMPCO Hook Spanner Wrench (SKU 21XX05, MPN 7404) is a fixed-hook spanner wrench with a capacity of 31/32 in to 1-1/8 in. It features a 5-1/4 in overall length and a 1/4 in hook thickness, and is designated as…

SKU 3G-OTH-304802

Brand
AMPCO
Item
Hook Spanner Wrench: 31/32 in to 1 1/8 in, 5 1/4 in Overall Lg, 1/4 in Hook Thick
Category
Fixed-Hook Spanner Wrenches
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Technical Specifications

AMPCO
Manufacturer Part Number
7404
Type
Nonsparking
Overall Lg
5 1/4 in
Hook Thick
1/4 in
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AMPCO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The AMPCO Hook Spanner Wrench (SKU 21XX05, MPN 7404) is a fixed-hook spanner wrench with a capacity of 31/32 in to 1-1/8 in. It features a 5-1/4 in overall length and a 1/4 in hook thickness, and is designated as nonsparking. This tool is designed for use with specific fasteners within its stated size range.

Frequently Asked Questions

What is the AMPCO Hook Spanner Wrench used for?

The AMPCO Hook Spanner Wrench (MPN 7404) is used to tighten or loosen slotted nuts and collars within its capacity range of 31/32 in to 1-1/8 in. Its nonsparking property makes it suitable for use in hazardous environments such as oil refineries, chemical plants, and gas facilities where spark-free tools are required.

What are the specifications of the AMPCO Hook Spanner Wrench?

The AMPCO Hook Spanner Wrench (SKU 21XX05, MPN 7404) has a capacity of 31/32 in to 1-1/8 in, an overall length of 5-1/4 in, and a hook thickness of 1/4 in. It is a fixed-hook, nonsparking tool manufactured by AMPCO, designed for use with specific fasteners within its stated size range.

Where to buy the AMPCO Hook Spanner Wrench worldwide?

You can source the AMPCO Hook Spanner Wrench (MPN 7404) 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 this nonsparking tool to procurement teams and plant engineers internationally.

How to select the right AMPCO Hook Spanner Wrench?

To select the correct AMPCO Hook Spanner Wrench, match the tool's capacity (31/32 in to 1-1/8 in) to the fastener size. Ensure the hook thickness of 1/4 in fits the nut slot. For hazardous areas, choose the nonsparking AMPCO model (MPN 7404). Verify overall length (5-1/4 in) provides adequate leverage 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 fixed-hook spanner wrenches. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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