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

3G Electric
3M MU18-6R/SK Non-Insulated Ring Terminal - Non-Insulated Ring Terminals
3MNon-Insulated Ring Terminals

3M MU18-6R/SK Non-Insulated Ring Terminal

The 3M Ring Terminal: Bare (MPN MU18-6R/SK) is a non-insulated ring terminal with a #6 stud size, rated for 600 V and 22 AWG to 18 AWG wire sizes, featuring a butted barrel and seam construction.

SKU 3G-OTH-20106

Also listed as: MU186RSK · MU18 6R SK · MU18-6R-SK

Brand
3M
Item
MU18-6R/SK Non-Insulated Ring Terminal
Part Number
MU18-6R/SK
Category
Non-Insulated Ring Terminals
Available to Order
Also known as:MU18-6R/SK3M
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

3M
Manufacturer Part Number
MU18-6R/SK
Type
#6 Stud Size, 600 V, Butted Barrel & Seam
Wire Sizes
22 AWG to 18 AWG

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

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

Product Description

The 3M Ring Terminal: Bare (MPN MU18-6R/SK) is a non-insulated ring terminal with a #6 stud size, rated for 600 V and 22 AWG to 18 AWG wire sizes, featuring a butted barrel and seam construction.

Frequently Asked Questions

What is the 3M MU18-6R/SK ring terminal used for?

The 3M MU18-6R/SK is a non-insulated ring terminal used for secure electrical connections in industrial control panels, automotive wiring, and appliance manufacturing. It accommodates 22 AWG to 18 AWG wire sizes with a #6 stud size and is rated for 600 V applications.

What are the specifications of the 3M MU18-6R/SK ring terminal?

The 3M MU18-6R/SK is a bare, non-insulated ring terminal with a butted barrel and seam design. It fits #6 studs, accepts 22 AWG to 18 AWG wire, and is rated for 600 V. The manufacturer part number is MU18-6R/SK, and it is produced by 3M.

Where to buy 3M MU18-6R/SK ring terminals worldwide?

3G Electric supplies 3M MU18-6R/SK ring terminals worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this part number.

How to install a 3M non-insulated ring terminal?

Strip the wire to the recommended length, insert it into the barrel, and crimp using a tool matched to the wire gauge (22–18 AWG). Ensure the butted seam is fully compressed for a gas-tight connection. No insulation is present, so protect the joint with heat shrink or tape if needed.

Used in

Common applications for 3M
Industrial process water filtration — 3M solid polypropylene cartridge (e.g., RT10Q16G20NN, 7 micron) for sediment removal in manufacturing lines.
Cooling tower pre-treatment — 3M string-wound cartridge (e.g., RT39B16G20NN, 30 micron) to protect heat exchangers from particulate fouling.
Food and beverage rinse water — 3M 1 micron solid cartridge (RT10Y16G20NN) for fine filtration to meet quality standards.
Chemical processing feed water — 3M 27 micron solid cartridge (RT30L16G20NN) for high-flow sediment reduction upstream of sensitive equipment.
Wastewater effluent polishing — 3M 2 micron string-wound cartridge (RT09Y16G20NN) for final particulate removal before discharge or reuse.
Pharmaceutical utility water — 3M 0 micron string-wound cartridge (RT09L16G20NN) for sub-micron filtration in critical systems.
Not sure this is the right part? Photo-identify it

3M Products

3G Electric supplies 3M non-insulated ring terminals. 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
Non-insulated ring terminal with butted barrel and seam construction. Rated for 600 V, accommodates 4 AWG wire, and fits 3/8 in studs. Used for secure electrical connections in power distribution and equipment wiring
3M
Non-insulated ring terminal with butted barrel and seam construction. Rated for 600 V, accommodates 4 AWG wire, and fits 3/8 in studs. Used for secure electrical connections in power distribution and equipment wiring
Non-insulated ring terminal for #4 stud size, accepting 22 AWG to 18 AWG wire. Rated 600 V with butted barrel and seam construction. Used for secure electrical connections in control panels, industrial machinery, and power distribution applications
3M
Non-insulated ring terminal for #4 stud size, accepting 22 AWG to 18 AWG wire. Rated 600 V with butted barrel and seam construction. Used for secure electrical connections in control panels, industrial machinery, and power distribution applications
Non-insulated ring terminal for #10 stud size, accepting 22 AWG to 18 AWG wire. Features a brazed barrel and seam for mechanical strength, rated for 1000 V. Suitable for power distribution, control panels, and machinery where a secure, high-vibration connection is required
3M
Non-insulated ring terminal for #10 stud size, accepting 22 AWG to 18 AWG wire. Features a brazed barrel and seam for mechanical strength, rated for 1000 V. Suitable for power distribution, control panels, and machinery where a secure, high-vibration connection is required

More from 3M

View all 3M parts
Non-insulated ring terminal for #10 stud size, accepting 22 AWG to 18 AWG wire. Rated 600 V with butted barrel and seam construction. Suitable for power distribution, control panels, and grounding applications where a bare copper termination is required
3M
Non-insulated ring terminal for #10 stud size, accepting 22 AWG to 18 AWG wire. Rated 600 V with butted barrel and seam construction. Suitable for power distribution, control panels, and grounding applications where a bare copper termination is required
Non-insulated ring terminal rated for 1000 V, with brazed barrel and seam construction. Accepts 4 AWG wire and fits a 5/16 in stud. Suitable for high-current electrical connections in industrial control panels, power distribution, and heavy equipment
3M
Non-insulated ring terminal rated for 1000 V, with brazed barrel and seam construction. Accepts 4 AWG wire and fits a 5/16 in stud. Suitable for high-current electrical connections in industrial control panels, power distribution, and heavy equipment
Non-insulated ring terminal rated for 1,000 V, with brazed barrel and seam. Accepts 4 AWG wire and fits 1/2 in stud. Used for high-current connections in power distribution and control panels
3M
Non-insulated ring terminal rated for 1,000 V, with brazed barrel and seam. Accepts 4 AWG wire and fits 1/2 in stud. Used for high-current connections in power distribution and control panels
Non-insulated ring terminal for #6 stud size, accepting 22 AWG to 18 AWG wire. Rated 1000 V with brazed barrel and seam construction. Suitable for power distribution, control panels, and equipment grounding connections
3M
Non-insulated ring terminal for #6 stud size, accepting 22 AWG to 18 AWG wire. Rated 1000 V with brazed barrel and seam construction. Suitable for power distribution, control panels, and equipment grounding connections
Non-insulated ring terminal with brazed barrel and seam construction for 6 AWG wire and 1/4 in stud size. Rated for 1000 V. Suitable for power distribution, control panels, and heavy equipment requiring secure, permanent connections
3M
Non-insulated ring terminal with brazed barrel and seam construction for 6 AWG wire and 1/4 in stud size. Rated for 1000 V. Suitable for power distribution, control panels, and heavy equipment requiring secure, permanent connections
Non-insulated ring terminal for terminating 6 AWG wire to a #10 stud. Features a brazed barrel and seam for mechanical strength. Rated for 1000 V. Suitable for power distribution, control panels, and machinery connections
3M
Non-insulated ring terminal for terminating 6 AWG wire to a #10 stud. Features a brazed barrel and seam for mechanical strength. Rated for 1000 V. Suitable for power distribution, control panels, and machinery connections
Non-insulated ring terminal for #8 stud size, accepting 12 AWG to 10 AWG wire. Rated 600 V with butted barrel and seam construction. Suitable for electrical connections in control panels, power distribution, and grounding applications
3M
Non-insulated ring terminal for #8 stud size, accepting 12 AWG to 10 AWG wire. Rated 600 V with butted barrel and seam construction. Suitable for electrical connections in control panels, power distribution, and grounding applications
Non-insulated ring terminal for #8 stud size, accepting 12 AWG to 10 AWG wire. Rated 600 V with butted barrel and seam construction. Suitable for terminating wires in control panels, power distribution, and grounding applications
3M
Non-insulated ring terminal for #8 stud size, accepting 12 AWG to 10 AWG wire. Rated 600 V with butted barrel and seam construction. Suitable for terminating wires in control panels, power distribution, and grounding applications

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first