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PROTO JC495B Adjustable-Hook Spanner Wrench - Adjustable-Hook Spanner Wrenches
PROTOAdjustable-Hook Spanner Wrenches

PROTO JC495B Adjustable-Hook Spanner Wrench

The PROTO Spanner Wrench is a 3-inch adjustable-hook spanner wrench (MPN JC495B) with a round hook shape, a 1/4-inch pin diameter, a 1/4-inch pin length, a 7/16-inch hook thickness, and an 8 1/8-inch overall length…

SKU 3G-OTH-307546

Brand
PROTO
Item
JC495B Adjustable-Hook Spanner Wrench
Part Number
JC495B
Category
Adjustable-Hook Spanner Wrenches
Available to Order
Also known as:JC495BPROTO
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Technical Specifications

PROTO
Manufacturer Part Number
JC495B
Overall Lg
8 1/8 in
Pin Lg
1/4 in
Pin Dia
1/4 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 (MPN JC495B) with a round hook shape, a 1/4-inch pin diameter, a 1/4-inch pin length, a 7/16-inch hook thickness, and an 8 1/8-inch overall length. It is not reversible.

Frequently Asked Questions

What is the PROTO JC495B spanner wrench used for?

The PROTO JC495B adjustable-hook spanner wrench is used for turning round nuts, locknuts, and retaining rings with drilled or notched faces. Its 1/4-inch pin diameter and 7/16-inch hook thickness suit industrial maintenance, machining, and assembly applications where precise engagement is required.

What are the specifications of the PROTO JC495B spanner wrench?

The PROTO JC495B has a 3-inch adjustable capacity, a 1/4-inch pin diameter, a 1/4-inch pin length, a 7/16-inch hook thickness, and an 8 1/8-inch overall length. It features a round hook shape and is not reversible. The manufacturer part number is JC495B.

Where to buy the PROTO JC495B spanner wrench worldwide?

3G Electric supplies the PROTO JC495B spanner wrench to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this adjustable-hook spanner wrench.

How to select the right PROTO spanner wrench for a round nut?

To select the right PROTO spanner wrench, match the pin diameter and hook thickness to the nut's holes or notches. For the JC495B, use with nuts requiring a 1/4-inch pin and 7/16-inch hook. Ensure the adjustable capacity (3 inches) fits the nut diameter. Always verify the hook shape matches the nut design.

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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