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3M M4-38RK Non-Insulated Ring Terminal - Non-Insulated Ring Terminals
3MNon-Insulated Ring Terminals

3M M4-38RK Non-Insulated Ring Terminal

The 3M Ring Terminal: Bare (MPN M4-38RK) is a non-insulated ring terminal rated for 1,000 V, featuring a brazed barrel and seam. It accommodates 4 AWG wire and a 3/8 in stud size. 3G Electric interprets customer…

SKU 3G-OTH-19823

Also listed as: M438RK · M4 38RK

Brand
3M
Item
M4-38RK Non-Insulated Ring Terminal
Part Number
M4-38RK
Category
Non-Insulated Ring Terminals
Available to Order
Also known as:M4-38RK3M
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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
M4-38RK
Type
1,000 V, Brazed Barrel & Seam
Stud Size
3/8 in
Wire Sizes
4 AWG to 4 AWG

Technical Documents

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

Product Description

The 3M Ring Terminal: Bare (MPN M4-38RK) is a non-insulated ring terminal rated for 1,000 V, featuring a brazed barrel and seam. It accommodates 4 AWG wire and a 3/8 in stud size. 3G Electric interprets customer demand and delivers this genuine industrial terminal across 14 departments — and far more — with specialist depth in combustion, pumps and controls as an authorised distributor.

Frequently Asked Questions

What is the 3M M4-38RK ring terminal used for?

The 3M M4-38RK is a non-insulated ring terminal used for high-current electrical connections in industrial equipment, power distribution, and heavy machinery. It accommodates 4 AWG wire and a 3/8 in stud, rated for 1,000 V, making it suitable for demanding applications requiring reliable, durable terminations.

What are the specifications of the 3M M4-38RK ring terminal?

The 3M M4-38RK is a bare, non-insulated ring terminal with a 3/8 in stud size, accepting 4 AWG wire. It features a brazed barrel and seam for strength, rated for 1,000 V. The manufacturer part number is M4-38RK, and it is designed for secure, high-current electrical connections in industrial settings.

Where to buy the 3M M4-38RK ring terminal worldwide?

You can source the 3M M4-38RK ring terminal worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead times; we provide reliable sourcing for this 3M terminal.

How to select the correct 3M ring terminal for 4 AWG wire?

To select the correct 3M ring terminal for 4 AWG wire, match the stud size (e.g., 3/8 in) and ensure the terminal is rated for your voltage (1,000 V for the M4-38RK). Verify the wire gauge fits the barrel, and choose a brazed seam design for high-vibration environments. Always follow manufacturer guidelines for crimping tools.

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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