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PROTO Adjustable-Hook Spanner Wrench - Adjustable-Hook Spanner Wrenches
PROTOAdjustable-Hook Spanner Wrenches

PROTO Adjustable-Hook Spanner Wrench

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

Brand
PROTO
Item
Adjustable-Hook Spanner Wrench
Part Number
JC474BB
Category
Adjustable-Hook Spanner Wrenches
Available to Order
Also known as:JC474BBPROTO
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Technical Specifications

PROTO
Manufacturer Part Number
JC474BB
Overall Lg
9 3/4 in
Hook Dp
5/16 in
Hook Thick
1/2 in

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PROTO Products
3G Electric (S) Pte. Ltd. — Singapore

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 PROTO
Industrial maintenance — PROTO J6014CXCERT micrometer torque wrench for tightening fasteners to 50–250 ft-lb with tether capability.
Assembly operations — PROTO J6345A electronic torque wrench for 5–50 ft-lb control with audible and visual indicators.
Plumbing and mechanical — PROTO J812HD straight pipe wrench with 2 in jaw capacity for gripping and turning pipes.
Precision fastening — PROTO J61929 multi-bit screw and nut driver kit with 26 alloy steel bits for assembly and maintenance.
Tool organization — PROTO JUC3743-3SG heavy-duty utility cart with drawers, power strip, and padlock for shop floor use.
Metric fastener service — PROTO JSCVM-20SB 20-piece ratcheting combination wrench set covering 6 mm to 32 mm.
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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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