3M M14-10R LK ring terminals made from copper and brass materials for durable electrical connections
3M Scotchlok Terminals, Kits, and Tools
For over 30 years, 3M has been a leading supplier of Scotchlok terminals, disconnects, connectors, and tools for high-performance applications in the assembly and maintenance of electrical systems. Our products are known for their effective and reliable performance, UL Listed and CSA Certified where appropriate. We offer a variety of types, sizes, and materials to meet a broad application range, including demanding temperature and weather conditions. Design features ensure easy installation, including positive and easy wire insertion, elimination of strand hang-ups and wire twisting, and easy insulation entry, all designed to make the installer's job easier.
Product Attributes
- Brand: 3M
- Product Line: Scotchlok
- Certifications: UL Listed and CSA Certified (where appropriate)
- Material: Copper (ETP, annealed, bright-tin plated), Brass (sleeve), Vinyl, Nylon, Steel (High Temperature)
- Temperature Ratings: Non-insulated terminals up to 347F (175C); Insulated terminals up to 221F (105C); High Temperature terminals up to 900F (482C)
Technical Specifications
| Product Type | Wire Range (AWG) | Stud Size | Material | Insulation Type | Key Features | Product Number Example |
|---|---|---|---|---|---|---|
| Ring Tongues | 26-24 to 4/0 | #2 to 3/4" | Copper, Brass | Non-Insulated, Vinyl Insulated, Nylon Insulated, Heat Shrink | Brazed seam, Butted seam, Insulation grip | M18-4R/SX |
| Standard Forks | 26-24 to 12-10 | #6 to #10 | Copper | Non-Insulated, Vinyl Insulated, Nylon Insulated | Brazed seam, Butted seam | M18-6FX |
| Block Forks | 26-24 to 12-10 | #4 to #10 | Copper | Non-Insulated, Vinyl Insulated, Nylon Insulated | Brazed seam, Butted seam | M18-4FB/SK |
| Flanged Block Forks | 16-14 to 12-10 | #6 to #10 | Copper | Non-Insulated, Vinyl Insulated, Nylon Insulated | Butted seam | M14-6FFBK |
| Locking Forks | 26-24 to 12-10 | #4 to 1/4" | Copper | Non-Insulated, Vinyl Insulated, Nylon Insulated, Heat Shrink | Butted seam, Brazed seam | M18-4FLK |
| Butt Connectors | 26-24 to 4/0 | N/A | Copper | Non-Insulated, Vinyl Insulated, Nylon Insulated, Heat Shrink | Seamless, Brazed seam, Butted seam, Step-down | M18BCX |
| Female Disconnects | 26-20 to 12-10 | 0.110" to 0.250" tab | Copper | Non-Insulated, Vinyl Insulated, Nylon Insulated, Heat Shrink | Butted seam, Interlock barrel, Flag, Bullet style, T-Tap | MU20-110DFK-A |
| Male Disconnects | 26-20 to 12-10 | 0.110" to 0.250" tab | Copper | Non-Insulated, Vinyl Insulated, Nylon Insulated, Heat Shrink | Butted seam, Bullet style | MU18-187DMK |
| Flags | 22-18 to 16-14 | #6 | Copper | Non-Insulated, Vinyl Insulated | Ring type | MU18-6R/FLAGK |
| Multi-Stack Disconnects | 22-18 to 16-14 | 0.250" | Vinyl | Vinyl Insulated | Butted seam | MVU18-250DMFX-A |
| Adapters | Various | Various | Copper | Non-Insulated, Vinyl Insulated | Double male-female, Male fuse-clip, Male rectangular tongue | MA250DMFMX-A |
| High Temperature Terminals | 22-18 to 4 | #6 to 3/8" | Steel (Nickel Plated) | Butted Seam | 900F (482C) rating | MU18-6RHT/SX |
| Closed End Connectors | 26-10 | N/A | Copper | Nylon Insulated | Crimp sleeve | S-11-A |
| Parallel Connectors | 26-10 | N/A | Copper | Vinyl Insulated, Non-Insulated | Butted seam | MVU18PCK |
| Pin Terminals | 26-10 | 0.080" to 0.110" | Copper | Non-Insulated, Vinyl Insulated, Nylon Insulated | Butted seam | MU18-47PX |
| Highland Bagged Terminals | 22-10 | Various | Various | Non-Insulated, Vinyl Insulated, Nylon Insulated | Rings, Forks, Butt Splices, Disconnects, Tabs | R10-10L |
| Kits | Various | N/A | N/A | N/A | Includes terminals, tools, tape dispenser, cable ties | STK-1 |
| Tools | 26-6 AWG | N/A | Heat-treated carbon steel | N/A | Wire cutting, stripping, crimping, screw cutting | TH-440 |
| Tools | 22-10 AWG | N/A | Heat-treated carbon steel | N/A | Ratchet mechanism, field re-calibration | TR-482 |
2411220602_3M-M14-10R-LK_C7221064.pdf