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PROTO Spanner Wrench: 3 in, 3/16 in Pin Dia, 8 1/8 in Overall Lg, 3/16 in Pin Lg - Adjustable-Hook Spanner Wrenches
PROTOAdjustable-Hook Spanner Wrenches

PROTO Spanner Wrench: 3 in, 3/16 in Pin Dia, 8 1/8 in Overall Lg, 3/16 in Pin Lg

The PROTO Spanner Wrench is a 3-inch adjustable-hook spanner wrench (SKU 806VX3, MPN JC494B) with a round hook shape, 3/16-inch pin diameter, 3/16-inch pin length, 7/16-inch hook thickness, and 8 1/8-inch overall…

SKU 3G-OTH-307545

Brand
PROTO
Item
Spanner Wrench: 3 in, 3/16 in Pin Dia, 8 1/8 in Overall Lg, 3/16 in Pin Lg
Category
Adjustable-Hook Spanner Wrenches
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Technical Specifications

PROTO
Manufacturer Part Number
JC494B
Overall Lg
8 1/8 in
Pin Lg
3/16 in
Pin Dia
3/16 in
Hook Thick
7/16 in
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PROTO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The PROTO Spanner Wrench is a 3-inch adjustable-hook spanner wrench (SKU 806VX3, MPN JC494B) with a round hook shape, 3/16-inch pin diameter, 3/16-inch pin length, 7/16-inch hook thickness, and 8 1/8-inch overall length. It is not reversible (attr309829: No). This PROTO tool is designed for turning round nuts and collars.

Frequently Asked Questions

What is the PROTO Spanner Wrench used for?

The PROTO Spanner Wrench (MPN JC494B) is used for turning round nuts and collars in industrial maintenance and assembly applications. Its adjustable hook design fits various fastener sizes, making it suitable for machinery repair, automotive work, and equipment servicing where standard wrenches cannot engage.

What are the specifications of the PROTO Spanner Wrench?

The PROTO Spanner Wrench has a 3-inch capacity, 3/16-inch pin diameter, 3/16-inch pin length, 7/16-inch hook thickness, and 8 1/8-inch overall length. It features a round hook shape and is not reversible. The manufacturer part number is JC494B, and the SKU is 806VX3.

Where to buy the PROTO Spanner Wrench worldwide?

You can source the PROTO Spanner Wrench (JC494B) through 3G Electric, a global industrial equipment distributor established in 1990. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply PROTO tools to procurement teams and engineers globally.

How to select the right PROTO Spanner Wrench?

To select the right PROTO Spanner Wrench, match the wrench capacity to the nut or collar diameter—this model fits up to 3 inches. Verify the pin diameter (3/16 in) and hook thickness (7/16 in) align with your fastener's groove. Ensure the overall length (8 1/8 in) provides adequate leverage for your application.

Used in

Common applications for PROTO
Automotive assembly — PROTO J72102 impact socket set for fastening lug nuts on production lines
Heavy equipment maintenance — PROTO J3772T flare nut wrench for hydraulic line fittings on excavators
General industrial repair — PROTO J795SA adjustable wrench set for tightening bolts on conveyor systems
Aerospace manufacturing — PROTO J5240A slotted bit socket for adjusting fasteners in confined spaces
Oil and gas pipeline work — PROTO J5438 12-point socket for valve assembly in refineries
Construction site toolkits — PROTO J8179-T500 double box wrench for structural steel bolting

PROTO Products

3G Electric supplies PROTO adjustable-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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PROTO Spanner Wrench: 4 3/4 in, 9 3/4 in Overall Lg, 1/2 in Hook Thick, 5/16 in Hook Dp (MPN JC474BB). Key specifications — attr309823: 4-3/4 in; attr309829: No; attr324942: PROTO.
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PROTO Spanner Wrench: 1 1/4 in to 3 in, 6 3/4 in Overall Lg, 5/16 in Hook Thick, 1/8 in Hook Dp (MPN JC472B). Key specifications — attr309823: 1-1/4 in to 3 in; attr309829: No; attr324942: PROTO.
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