PROTO Spanner Wrench: 4 3/4 in, 9 3/4 in Overall Lg, 1/2 in Hook Thick
The PROTO Spanner Wrench is an adjustable-hook spanner wrench with a 4-3/4 in size, model JC474BB. It features a 9-3/4 in overall length, 1/2 in hook thickness, and 5/16 in hook depth. This tool is designed for…
SKU 3G-OTH-307549
Need installation or engineering help?
Ask a question
Product Description
The PROTO Spanner Wrench is an adjustable-hook spanner wrench with a 4-3/4 in size, model JC474BB. It features a 9-3/4 in overall length, 1/2 in hook thickness, and 5/16 in hook depth. This tool is designed for industrial applications requiring precise hook adjustment.
Frequently Asked Questions
What is the PROTO Spanner Wrench JC474BB used for?
The PROTO Spanner Wrench JC474BB is an adjustable-hook spanner wrench used in industrial settings for turning or holding nuts, collars, and other round fasteners with notches or holes. Its 4-3/4 in size and 5/16 in hook depth allow precise engagement in tight spaces, common in maintenance and assembly operations.
What are the specifications of the PROTO Spanner Wrench JC474BB?
The PROTO Spanner Wrench JC474BB has a 4-3/4 in size, 9-3/4 in overall length, 1/2 in hook thickness, and 5/16 in hook depth. It is an adjustable-hook type spanner wrench, model JC474BB, manufactured by PROTO. These specs suit industrial applications requiring a robust, non-adjustable hook design.
Where to buy the PROTO Spanner Wrench JC474BB worldwide?
You can source the PROTO Spanner Wrench JC474BB 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 PROTO tool to procurement teams and engineers globally.
How to select the right PROTO Spanner Wrench for your application?
To select the right PROTO spanner wrench, match the hook thickness and depth to your fastener's notch dimensions. For the JC474BB, the 1/2 in hook thickness and 5/16 in hook depth suit standard industrial collars. Ensure overall length (9-3/4 in) provides adequate leverage without overreaching. PROTO tools are designed for durability in demanding environments.
Used in
Common applications for PROTOPROTO 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.













