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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 (MPN JC499B) is a 6-1/4 in adjustable-hook spanner wrench with a round pin type. It features a 3/8 in pin diameter, 1/4 in pin length, and an overall length of 12-1/8 in. This tool is…

SKU 3G-OTH-307552

Brand
PROTO
Item
Adjustable-Hook Spanner Wrench
Part Number
JC499B
Category
Adjustable-Hook Spanner Wrenches
Available to Order
Also known as:JC499BPROTO
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Technical Specifications

PROTO
Manufacturer Part Number
JC499B
Type
Round
Overall Lg
12 1/8 in
Pin Lg
1/4 in
Pin Dia
3/8 in

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

Product Description

The PROTO Spanner Wrench (MPN JC499B) is a 6-1/4 in adjustable-hook spanner wrench with a round pin type. It features a 3/8 in pin diameter, 1/4 in pin length, and an overall length of 12-1/8 in. This tool is designed for turning round nuts and collars.

Frequently Asked Questions

What is the PROTO JC499B spanner wrench used for?

The PROTO JC499B adjustable-hook spanner wrench is designed for turning round nuts and collars. Its 6-1/4 in capacity and round pin type make it suitable for maintenance and assembly tasks in industrial machinery, automotive repair, and plant operations where precise torque on round fasteners is required.

What are the specifications of the PROTO JC499B spanner wrench?

The PROTO JC499B spanner wrench has a 6-1/4 in capacity, 3/8 in pin diameter, 1/4 in pin length, and 12-1/8 in overall length. It features a round pin type and is not reversible. These specs ensure compatibility with standard round nuts and collars in industrial settings.

Where to buy the PROTO JC499B spanner wrench worldwide?

3G Electric supplies the PROTO JC499B spanner wrench to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on this adjustable-hook spanner wrench.

How to select the right adjustable-hook spanner wrench?

To select the right adjustable-hook spanner wrench, match the pin diameter and pin length to your round nut or collar. The PROTO JC499B offers a 3/8 in pin diameter and 1/4 in pin length. Ensure the overall length (12-1/8 in) provides adequate leverage for your application without over-torquing.

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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This adjustable-hook spanner wrench has a 9-3/4 in overall length, 1/2 in hook thickness, and 5/16 in hook depth. It is used for turning or holding nuts, collars, and other round fasteners with notches or holes in maintenance and assembly operations
PROTO
This adjustable-hook spanner wrench has a 9-3/4 in overall length, 1/2 in hook thickness, and 5/16 in hook depth. It is used for turning or holding nuts, collars, and other round fasteners with notches or holes in maintenance and assembly operations

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