We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

PROTO Open End Wrench: Alloy Steel, Chrome, 16 mm Head Size, 6 1/8 in Overall Lg - Metric, Double End, Open End Wrenches
PROTOMetric, Double End, Open End Wrenches

PROTO Open End Wrench: Alloy Steel, Chrome, 16 mm Head Size, 6 1/8 in Overall Lg

The PROTO Open End Wrench is a metric, double end, open end wrench made of alloy steel with a chrome finish. It features a 16 mm head size and a 6 1/8 in overall length, with manufacturer part number J3116M.

SKU 3G-OTH-296155

Brand
PROTO
Item
Open End Wrench: Alloy Steel, Chrome, 16 mm Head Size, 6 1/8 in Overall Lg
Category
Metric, Double End, Open End Wrenches
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

PROTO
Manufacturer Part Number
J3116M
Type
Chrome, Std
Overall Lg
6 1/8 in
Head Size
16 mm

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The PROTO Open End Wrench is a metric, double end, open end wrench made of alloy steel with a chrome finish. It features a 16 mm head size and a 6 1/8 in overall length, with manufacturer part number J3116M.

Frequently Asked Questions

What is the PROTO J3116M open end wrench used for?

The PROTO J3116M is a metric double-end open end wrench used for tightening or loosening 16 mm hex fasteners in industrial maintenance, automotive repair, and machinery assembly. Its alloy steel construction and chrome finish provide corrosion resistance and durability in demanding environments.

What are the specifications of the PROTO J3116M wrench?

The PROTO J3116M open end wrench has a 16 mm head size, 6 1/8 in overall length, and is made of alloy steel with a chrome finish. It is a metric, double-end, standard type wrench. The manufacturer part number is J3116M.

Where to buy the PROTO J3116M wrench worldwide?

3G Electric supplies the PROTO J3116M open end wrench to customers worldwide. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and a quote for your region.

How to select the right PROTO open end wrench size?

To select the correct PROTO open end wrench, match the head size to the fastener's hex dimension. For the J3116M, use it on 16 mm fasteners. Ensure the wrench type (metric, standard) and length suit your access and torque requirements. PROTO tools are designed for professional industrial use.

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 metric, double end, open end wrenches. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
PROTO Open End Wrench: Alloy Steel, Chrome, 13 mm Head Size, 5 1/2 in Overall Lg, Std (MPN J3113M)
PROTO
PROTO Open End Wrench: Alloy Steel, Chrome, 13 mm Head Size, 5 1/2 in Overall Lg, Std (MPN J3113M)
PROTO Open End Wrench: Alloy Steel, Chrome, 17 mm Head Size, 6 1/2 in Overall Lg, Std (MPN J3117M)
PROTO
PROTO Open End Wrench: Alloy Steel, Chrome, 17 mm Head Size, 6 1/2 in Overall Lg, Std (MPN J3117M)
PROTO Open End Wrench: Alloy Steel, Chrome, 15 mm Head Size, 5 15/16 in Overall Lg, Std (MPN J3115M)
PROTO
PROTO Open End Wrench: Alloy Steel, Chrome, 15 mm Head Size, 5 15/16 in Overall Lg, Std (MPN J3115M)
PROTO Open End Wrench: Alloy Steel, Chrome, 14 mm Head Size, 5 5/8 in Overall Lg, Std (MPN J3114M)
PROTO
PROTO Open End Wrench: Alloy Steel, Chrome, 14 mm Head Size, 5 5/8 in Overall Lg, Std (MPN J3114M)
PROTO Open End Wrench: Alloy Steel, Satin, 12 mm_13 mm Head Size, 6 3/8 in Overall Lg, Std (MPN J31213)
PROTO
PROTO Open End Wrench: Alloy Steel, Satin, 12 mm_13 mm Head Size, 6 3/8 in Overall Lg, Std (MPN J31213)
PROTO Open End Wrench: Alloy Steel, Satin, 6 mm_7 mm Head Size, 4 1/2 in Overall Lg, Std (MPN J30607)
PROTO
PROTO Open End Wrench: Alloy Steel, Satin, 6 mm_7 mm Head Size, 4 1/2 in Overall Lg, Std (MPN J30607)

More from PROTO

View all PROTO parts
PROTO Open End Wrench: Alloy Steel, Chrome, 10 mm Head Size, 4 7/8 in Overall Lg, Std (MPN J3110M)
PROTO
PROTO Open End Wrench: Alloy Steel, Chrome, 10 mm Head Size, 4 7/8 in Overall Lg, Std (MPN J3110M)
PROTO Open End Wrench: Alloy Steel, Chrome, 12 mm Head Size, 5 1/4 in Overall Lg, Std (MPN J3112M)
PROTO
PROTO Open End Wrench: Alloy Steel, Chrome, 12 mm Head Size, 5 1/4 in Overall Lg, Std (MPN J3112M)
PROTO Open End Wrench: Alloy Steel, Chrome, 19 mm Head Size, 7 in Overall Lg, Std (MPN J3119M)
PROTO
PROTO Open End Wrench: Alloy Steel, Chrome, 19 mm Head Size, 7 in Overall Lg, Std (MPN J3119M)
PROTO Open End Wrench: Alloy Steel, Satin, 20 mm_22 mm Head Size, 9 31/64 in Overall Lg, Std (MPN J32022)
PROTO
PROTO Open End Wrench: Alloy Steel, Satin, 20 mm_22 mm Head Size, 9 31/64 in Overall Lg, Std (MPN J32022)
PROTO Open End Wrench: Alloy Steel, Chrome, 18 mm Head Size, 6 3/4 in Overall Lg, Std (MPN J3118M)
PROTO
PROTO Open End Wrench: Alloy Steel, Chrome, 18 mm Head Size, 6 3/4 in Overall Lg, Std (MPN J3118M)
PROTO Open End Wrench: Alloy Steel, Satin, 16 mm_17 mm Head Size, 8 15/64 in Overall Lg, Std (MPN J31617)
PROTO
PROTO Open End Wrench: Alloy Steel, Satin, 16 mm_17 mm Head Size, 8 15/64 in Overall Lg, Std (MPN J31617)
PROTO Open End Wrench: Alloy Steel, Satin, 8 mm_9 mm Head Size, 5 1/8 in Overall Lg, Std (MPN J30809)
PROTO
PROTO Open End Wrench: Alloy Steel, Satin, 8 mm_9 mm Head Size, 5 1/8 in Overall Lg, Std (MPN J30809)
PROTO Open End Wrench: Alloy Steel, Chrome, 11 mm Head Size, 5 in Overall Lg, Std (MPN J3111M)
PROTO
PROTO Open End Wrench: Alloy Steel, Chrome, 11 mm Head Size, 5 in Overall Lg, Std (MPN J3111M)