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

AMPCO Hook Spanner Wrench: 4 1/2 in to 6 3/8 in, 12 in Overall Lg, 3/8 in Hook Thick - Adjustable-Hook Spanner Wrenches
AMPCOAdjustable-Hook Spanner Wrenches

AMPCO Hook Spanner Wrench: 4 1/2 in to 6 3/8 in, 12 in Overall Lg, 3/8 in Hook Thick

The AMPCO Hook Spanner Wrench (SKU WP-7-ST, MPN WP-7-ST) is an adjustable-hook spanner wrench with a capacity range of 4-1/2 in to 6-3/8 in. It features a 12 in overall length, a 3/8 in hook thickness, and a 1/8 in…

SKU 3G-OTH-307548

Also listed as: WP7ST · WP 7 ST

Brand
AMPCO
Item
Hook Spanner Wrench: 4 1/2 in to 6 3/8 in, 12 in Overall Lg, 3/8 in Hook Thick
Category
Adjustable-Hook Spanner Wrenches
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
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

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

AMPCO
Manufacturer Part Number
WP-7-ST
Overall Lg
12 in
Hook Dp
1/8 in
Hook Thick
3/8 in

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 Hook Spanner Wrench (SKU WP-7-ST, MPN WP-7-ST) is an adjustable-hook spanner wrench with a capacity range of 4-1/2 in to 6-3/8 in. It features a 12 in overall length, a 3/8 in hook thickness, and a 1/8 in hook depth. This tool is designed for adjusting or tightening locknuts and retaining rings within its specified size range.

Frequently Asked Questions

What is the AMPCO Hook Spanner Wrench used for?

The AMPCO Hook Spanner Wrench is used for adjusting or tightening locknuts and retaining rings within a 4-1/2 in to 6-3/8 in capacity range. It is commonly applied in industrial maintenance and assembly tasks where precise engagement with slotted or notched fasteners is required.

What are the specifications of the AMPCO Hook Spanner Wrench WP-7-ST?

The AMPCO Hook Spanner Wrench WP-7-ST has a capacity range of 4-1/2 in to 6-3/8 in, a 12 in overall length, a 3/8 in hook thickness, and a 1/8 in hook depth. It is an adjustable-hook spanner wrench designed for locknut and retaining ring adjustments.

Where to buy the AMPCO Hook Spanner Wrench worldwide?

You can source the AMPCO Hook Spanner Wrench WP-7-ST through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring the tool reaches your facility reliably.

How to select the correct AMPCO Hook Spanner Wrench?

To select the correct AMPCO Hook Spanner Wrench, match the tool's capacity range (4-1/2 in to 6-3/8 in) to your locknut or retaining ring diameter. Ensure the hook thickness (3/8 in) and depth (1/8 in) fit the notch or slot. The 12 in overall length provides adequate leverage for tightening.

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 adjustable-hook spanner 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

Compatible alternatives & equivalents

Cross-referenced by specification & description
AMPCO Hook Spanner Wrench: 4 5/16 in to 4 9/16 in, 13 1/4 in Overall Lg, 1/2 in Hook Thick (MPN 7424)
AMPCO
AMPCO Hook Spanner Wrench: 4 5/16 in to 4 9/16 in, 13 1/4 in Overall Lg, 1/2 in Hook Thick (MPN 7424)
AMPCO Hook Spanner Wrench: 3 3/4 in to 4 in, 11 1/4 in Overall Lg, 5/16 in Hook Thick, Nonsparking (MPN 7422)
AMPCO
AMPCO Hook Spanner Wrench: 3 3/4 in to 4 in, 11 1/4 in Overall Lg, 5/16 in Hook Thick, Nonsparking (MPN 7422)
AMPCO Hook Spanner Wrench: 6 1/8 in to 6 1/2 in, 15 1/4 in Overall Lg, 1/2 in Hook Thick (MPN 7430)
AMPCO
AMPCO Hook Spanner Wrench: 6 1/8 in to 6 1/2 in, 15 1/4 in Overall Lg, 1/2 in Hook Thick (MPN 7430)
AMPCO Hook Spanner Wrench: 1 3/4 in to 2 in, 8 in Overall Lg, 5/16 in Hook Thick, 1/8 in Hook Dp (MPN 7412)
AMPCO
AMPCO Hook Spanner Wrench: 1 3/4 in to 2 in, 8 in Overall Lg, 5/16 in Hook Thick, 1/8 in Hook Dp (MPN 7412)
AMPCO Hook Spanner Wrench: 1 3/16 in to 1 1/4 in, 5 1/4 in Overall Lg, 1/4 in Hook Thick (MPN 7406)
AMPCO
AMPCO Hook Spanner Wrench: 1 3/16 in to 1 1/4 in, 5 1/4 in Overall Lg, 1/4 in Hook Thick (MPN 7406)
AMPCO Hook Spanner Wrench: 4 11/16 in to 5 1/8 in, 13 1/4 in Overall Lg, 1/2 in Hook Thick (MPN 7426)
AMPCO
AMPCO Hook Spanner Wrench: 4 11/16 in to 5 1/8 in, 13 1/4 in Overall Lg, 1/2 in Hook Thick (MPN 7426)

More from AMPCO

View all AMPCO parts
AMPCO Hook Spanner Wrench: 1 1/4 in to 3 in, 8 in Overall Lg, 3/8 in Hook Thick, 1/8 in Hook Dp (MPN WP-5-ST)
AMPCO
AMPCO Hook Spanner Wrench: 1 1/4 in to 3 in, 8 in Overall Lg, 3/8 in Hook Thick, 1/8 in Hook Dp (MPN WP-5-ST)
AMPCO Hook Spanner Wrench: 2 in to 4 3/4 in, 11 in Overall Lg, 3/8 in Hook Thick, 1/8 in Hook Dp (MPN WP-6-ST)
AMPCO
AMPCO Hook Spanner Wrench: 2 in to 4 3/4 in, 11 in Overall Lg, 3/8 in Hook Thick, 1/8 in Hook Dp (MPN WP-6-ST)