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3M MU18-8R/LK Non-Insulated Ring Terminal - Non-Insulated Ring Terminals
3MNon-Insulated Ring Terminals

3M MU18-8R/LK Non-Insulated Ring Terminal

The 3M Ring Terminal: Bare (MPN MU18-8R/LK) is a non-insulated ring terminal with a #8 stud size, rated for 600 V and 22 AWG to 18 AWG wire sizes, featuring a butted barrel and seam construction.

SKU 3G-OTH-18637

Also listed as: MU188RLK · MU18 8R LK · MU18-8R-LK

Brand
3M
Item
MU18-8R/LK Non-Insulated Ring Terminal
Part Number
MU18-8R/LK
Category
Non-Insulated Ring Terminals
Available to Order
Also known as:MU18-8R/LK3M
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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
MU18-8R/LK
Type
#8 Stud Size, 600 V, Butted Barrel & Seam
Wire Sizes
22 AWG to 18 AWG

Technical Documents

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

Product Description

The 3M Ring Terminal: Bare (MPN MU18-8R/LK) is a non-insulated ring terminal with a #8 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 MU18-8R/LK ring terminal used for?

The 3M MU18-8R/LK is a non-insulated ring terminal used for terminating electrical wires in industrial control panels, power distribution, and equipment grounding. It accommodates #8 studs and 22–18 AWG wire, rated 600 V, making it suitable for secure, low-resistance connections in harsh environments.

What are the specifications of the 3M MU18-8R/LK ring terminal?

This 3M ring terminal is bare (non-insulated) with a butted barrel and seam design. It fits #8 stud size, accepts 22 AWG to 18 AWG wire, and is rated 600 V. The manufacturer part number is MU18-8R/LK. It is designed for reliable crimp connections in electrical systems.

Where to buy 3M MU18-8R/LK ring terminals worldwide?

3G Electric supplies the 3M MU18-8R/LK ring terminal worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this part to any country.

How to install the 3M MU18-8R/LK ring terminal?

Strip the wire insulation to the recommended length, insert the bare wire into the barrel, and crimp using a tool matched to 22–18 AWG and non-insulated terminals. Ensure the ring sits flat on the stud before tightening. Follow 3M's generic crimp guidelines for reliable connections.

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.
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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.

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Compatible alternatives & equivalents

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Non-insulated ring terminal for terminating 22 AWG to 18 AWG wires onto a #8 stud. Features a brazed barrel and seam for mechanical strength. Rated for 1000 V. Suitable for use in electrical panels, control cabinets, and machinery wiring
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Non-insulated ring terminal for terminating 22 AWG to 18 AWG wires onto a #8 stud. Features a brazed barrel and seam for mechanical strength. Rated for 1000 V. Suitable for use in electrical panels, control cabinets, and machinery wiring
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 creating secure electrical connections in control panels, machinery, and power distribution systems where insulation clearance is needed
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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 creating secure electrical connections in control panels, machinery, and power distribution systems where insulation clearance is needed
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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
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Non-insulated ring terminal with butted barrel and seam construction. Accommodates 22 AWG to 18 AWG wire and fits #6 studs. Rated for 600 V. Suitable for power distribution, control circuits, and general electrical connections where a secure, bare terminal is required
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Non-insulated ring terminal with butted barrel and seam construction. Accommodates 22 AWG to 18 AWG wire and fits #6 studs. Rated for 600 V. Suitable for power distribution, control circuits, and general electrical connections where a secure, bare terminal is required
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
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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

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Non-insulated ring terminal for #8 stud size, accommodating 16 AWG to 14 AWG wire. Rated 600 V with butted barrel and seam construction. Suitable for electrical connections in control panels, power distribution, and grounding applications
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Non-insulated ring terminal for #8 stud size, accommodating 16 AWG to 14 AWG wire. Rated 600 V with butted barrel and seam construction. Suitable for electrical connections in control panels, power distribution, and grounding applications
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Non-insulated ring terminal rated for 1000 V, with brazed barrel and seam construction. Accepts 4 AWG wire and fits 3/8 in studs. Used for terminating wires in electrical panels, machinery, and power distribution applications
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Non-insulated ring terminal for #6 stud size, accepting 22 AWG to 18 AWG wire. Rated 1000 V with brazed barrel and seam construction. Used for power distribution, control panels, and equipment grounding connections
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Non-insulated ring terminal for #6 stud size, accepting 22 AWG to 18 AWG wire. Rated 1000 V with brazed barrel and seam construction. Used for power distribution, control panels, and equipment grounding connections
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