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Copper Tubular Lugs Without Inspection Hole

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Copper Tubular Lugs Without Inspection Hole

Trinity Touch Copper Tubular Lugs without Inspection Hole are engineered for clean, secure, and reliable terminations where visual inspection is not required. These lugs are widely used in enclosed environments and applications where space constraints or specific design requirements eliminate the need for inspection holes.

Crafted from high-purity ETP copper and finished with a tin coating to resist oxidation, they ensure strong electrical conductivity and long-term performance. These lugs are perfect for connecting large gauge cables to terminals, relays, switchboards, and grounding equipment in both industrial and commercial installations.

Trinity Touch’s range of copper tubular lugs without inspection holes offers easy installation and a solid crimping surface for dependable electrical connections across a variety of systems.

Product Dimensions

Dimensions in mm
Bolt / Stud Total Length Palm Width Thickness Barrel Length Barrel OD Barrel ID
Conductors (mm²) Article Description Bolt B L W T S D d Packing Qty.
2.5 011710521 TTLK2.5-5 M5 5.2 20 9 0.8 7 3.8 2.3 1000
4 011710522 TTLK4-6 M6 6.4 22 11 1 7 4.8 3.1 1000
6 011710523 TTLK6-6 M6 6.4 24 11 1 9 5.5 3.8 1000
10 011710524 TTLK10-6 M6 6.4 24 11 1.3 9 6.2 4.5 600
16 011710525 TTLK16-6 M6 6.4 30 11 1.5 12 7.1 5.4 600
25 011710526 TTLK25-6 M6 6.4 37 13 1.9 12 9.0 7.0 300
35 011710527 TTLK35-8 M8 8.2 37 15 1.9 12 10.0 8.0 300
50 011710528 TTLK50-8 M8 8.2 45 16 1.9 16 11.2 9.2 100
50 011710529 TTLK50-10 M10 10.2 45 16 1.9 16 11.2 9.2 100
70 011710530 TTLK70-8 M8 8.2 56 20 2.2 18 13.8 11.5 100
011710531 TTLK70-10 M10 10.2 56 20 2.2 18 13.8 11.5
011710532 TTLK70-12 M12 12.7 56 20 2.2 18 13.8 11.5
95 011710533 TTLK95-10 M10 10.2 58 23 2.6 20 15.6 12.8 80
011710534 TTLK95-12 M12 12.7 58 23 2.6 20 15.6 12.8
120 011710535 TTLK120-10 M10 10.2 62 26 2.8 22 17.8 14.8 60
011710536 TTLK120-12 M12 12.7 62 26 2.8 22 17.8 14.8
150 011710537 TTLK150-12 M12 12.7 70 28 3.2 26 19.6 16.0 40
011710538 TTLK150-16 M16 16.2 70 28 3.2 26 19.6 16.0
185 011710539 TTLK185-12 M12 12.7 83 32 3.4 28 22 18.0 20
011710540 TTLK185-16 M16 16.2 83 32 3.4 28 22 18.0
240 011710541 TTLK240-16 M16 16.2 97 38 3.5 34 26 22 20