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PROTO Spanner Wrench: 6 1/4 in, 3/8 in Pin Dia, 12 1/8 in Overall Lg, 1/4 in Pin Lg - Adjustable-Hook Spanner Wrenches
PROTOAdjustable-Hook Spanner Wrenches

PROTO Spanner Wrench: 6 1/4 in, 3/8 in Pin Dia, 12 1/8 in Overall Lg, 1/4 in Pin Lg

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
Spanner Wrench: 6 1/4 in, 3/8 in Pin Dia, 12 1/8 in Overall Lg, 1/4 in Pin Lg
Category
Adjustable-Hook Spanner Wrenches
Available to Order
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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

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

Technical Documents

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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
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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