Copper Long Barrel Two Hole Compression Lugs 6 AWG #10 Bolt Size
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SKU: 210-98085
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6 AWG Long-Barrel Hole Lug (Blue) — Tin-Plated Copper, #10 Stud, UL Recognized, RoHS Compliant
The Conversions Tech 6 AWG Long-Barrel Hole Lug is a high-conductivity tin-plated copper crimp terminal engineered for low resistance, high reliability terminations in power distribution, control panels, automotive, marine, solar PV, and industrial machinery. Its extended barrel increases crimp contact area for superior mechanical pull-out strength and lower I²R losses, while the blue color code speeds wire-gauge identification and reduces installation errors in high-density panels.
Precision-machined to fit a #10 stud, this ring tongue / hole lug delivers a vibration-resistant, gas-tight connection when crimped with the correct die set. The uniform electro-tin plating resists oxidation, fretting, and galvanic activity, ensuring stable contact resistance across the service life — even in humid, salt-spray, or thermally cycled environments up to 90 °C.
Key Engineering Advantages
- Long-barrel design for deep, full-circumference crimp engagement and elevated tensile strength.
- High-purity copper (electrolytic) for maximum conductivity and minimal thermal rise at load.
- Electro-tin plating for robust corrosion protection and low, stable contact resistance.
- Blue color code for fast 6 AWG identification in field or OEM assembly.
- Precision #10 stud hole for tight, vibration-resistant fastening torque.
- Compliance focused: UL Recognized, CE Certified, and RoHS Compliant.
- High-voltage & current envelope: up to 35 kV and 65 A max rating (application dependent).
Technical Specifications
| Wire Size | 6 AWG (stranded copper) |
|---|---|
| Stud Size | #10 |
| Color Code | Blue (6 AWG identification) |
| Overall Length (L) | 72.5 mm (2.86") |
| Neck Length (L1) | 46.5 mm (1.83") |
| Barrel Length (L2) | 25.4 mm (1.00") |
| Outer Diameter (D) | 15.2 mm (0.60") |
| Inner Diameter (D1) | 7.9 mm (0.31") |
| Hole Diameter (D2) | 5.9 mm (0.23") |
| Width (B) | 22.9 mm (0.90") |
| Hole Spacing (E) | 10.4 mm (0.41") |
| Thickness (F) | 1.4 mm (0.06") |
| Terminal Material | Tin-Plated Copper |
| Temperature Rating | 90 °C |
| Voltage Rating | 35 kV (installation dependent) |
| Max Amp Rating | 65 A (application & duty cycle dependent) |
| Certifications | UL Recognized, CE Certified, RoHS Compliant |
Recommended Use & Best Practices
- Use UL-approved hex or indent crimp tools with 6 AWG dies; verify die index and imprint.
- Strip to the exact barrel depth (L2) and avoid nicking strands to preserve cross-section.
- Crimp from barrel end toward palm; perform pull-test per your QA plan.
- Finish with adhesive-lined heat-shrink (optional) for strain relief and sealing in harsh environments.
- Tighten the #10 fastener to specified torque; re-torque after thermal cycling where required.
Applications
Power feeders, battery links, motor drives, MCCs, switchgear, solar combiner boxes, industrial controls, marine power systems, and vehicular upfits where a blue-coded 6 AWG long-barrel ring terminal is specified for reliability and serviceability.
Professional FAQs
1) Is this lug compatible with aluminum conductors?
No. This model is engineered for copper conductors only (ASTM B3/B8). For aluminum, use an AL-rated or bi-metallic lug.
2) What crimp profile should I use (hex vs. indent)?
Use the tooling profile specified by your standard (UL, OEM, or plant spec). Hex is common for power lugs; indent is also acceptable when approved. Always match die index to 6 AWG and verify imprint.
3) Does the blue color indicate insulation?
No. The blue is a wire-gauge identification mark for 6 AWG. This is a non-insulated long-barrel copper lug.
4) What’s the maximum continuous current?
65 A typical for 6 AWG under standard conditions. Final ampacity depends on conductor class, ambient temperature, enclosure fill, and duty cycle.
5) Is 35 kV a tested working voltage or insulation rating?
The terminal itself is uninsulated. The 35 kV figure reflects application-level suitability when installed with proper creepage/clearance and insulation practices per your governing standard.
6) Can I solder after crimping?
Not recommended. Gas-tight crimps are preferred for reliability. Solder can wick and embrittle conductors, reducing fatigue life.
7) What torque should I use on the #10 stud?
Follow your fastener manufacturer’s torque chart. As a guide, many #10 machine screws fall in the 20–30 in-lb range; verify for material and thread class.
8) Is this lug suitable for marine or corrosive environments?
Yes. The electro-tin plating provides robust corrosion resistance. For severe salt-spray, pair with sealed heat-shrink and marine-grade hardware.
9) Which wire classes are supported (B, C, K, M)?
Designed for stranded copper (e.g., Classes B/C). For extra-flexible (K/M), confirm strand diameter, strip length, and crimp die acceptance per your QA plan.
10) How do I verify a correct crimp?
Inspect die imprint, measure barrel compression, conduct pull-test per spec, and confirm low millivolt drop under load during commissioning.
11) Can I use heat-shrink over the barrel?
Yes. Adhesive-lined heat-shrink adds sealing and strain relief. Select a ratio that fully recovers over the barrel OD (15.2 mm / 0.60").
12) Are there complementary sizes and stud options?
Conversions Tech offers a full family of long-barrel copper lugs covering multiple AWG sizes and stud diameters. See related products or contact us for cross-references.
4 Reasons Pros Buy Direct from Conversions Tech
Headquartered in business-friendly Wyoming, we design, test, and ship every product from inside the United States—delivering genuine “Made-for-America” quality without the big-box markup.
Our in-house team owns every CAD file, mold, and QA station behind our weatherproof boxes, conduit bodies, and power inverters. Vertical control means tighter tolerances, UL-listed safety, and up to 30 % lower cost than private-label imports.
Thousands of SKUs sit ready to go. Orders placed by 2 p.m. ship the same day, keeping contractors, OEMs, and distributors on schedule.
Need a torque spec or an OEM quote at dawn? You’ll speak directly with the Conversions Tech engineering desk—not a script reader—for instant answers, custom kitting, and private-label options.
Bottom line: For rugged, code-compliant electrical solutions shipped fast from a trusted U.S. source, choose Conversions Tech and build it right the first time.
