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Black polyolefin heat-shrink breakout boot with six legs, 5.4 in long, semi-rigid finish

3M

3M HDBB-605-1-250 Heat Shrink Breakout Boot 6 Breakouts

SKU CH-EHM4-NCXGB

Adhesive-lined polyolefin boot splits one cable into six breakouts, shrinking from 2.39 in to 1.45 in main ID and 0.8 in to 0.35 in per leg, with abrasion and chemical resistance from -67 °F to 230 °F

  • Product typeCable Management & Conduit
  • Six breakouts organise multiple cables in one boot
  • Shrinks from 2.39 in to 1.45 in for tight seal
  • Breakout legs shrink from .8 in to .35 in
  • Polyolefin resists abrasion, acid and alkali from -67 to 230 °F
  • Flame-retardant semi-rigid wall .1 in thick after shrinking

Six-breakout heat-shrink boot

The 3M HDBB-605-1-250 is a polyolefin heat-shrink breakout boot with six outlets designed to seal and protect cable junctions in harsh environments. It suits installers who need a single-piece transition for multi-conductor bundles in automotive, industrial or marine wiring.

Semi-rigid abrasion-resistant wall

After shrinking the main body reduces from 2.39 in to 1.45 in while each breakout shrinks from .8 in to .35 in, leaving a .1 in wall that resists abrasion, acids and alkalis. The semi-rigid material stays flexible at -67 degrees F and retains integrity up to 230 degrees F, so the seal survives vibration and thermal cycling without cracking.

Replaces tape and separate glands

This boot replaces labour-intensive tape wraps or multiple cable glands when a harness splits into six legs. The jump is worth it when a permanent, flame-retardant seal is required and the 5.4 in installed length fits the available space.

How it compares

Measured against everything we stock in Electrical Enclosures & Cabinets, at today’s prices. Recalculated every night.

Price $89.99
Pricier than about 72% of the 1,411 comparable items (median $39.99).

Specifications

Product
Brand name3M
Product typeCable Management & Conduit

Questions about this item

What is the maximum temperature the 3M HDBB-605-1-250 boot can withstand?

The boot operates from minus 67 degrees up to 230 degrees Fahrenheit.

What are the inner diameter measurements before and after shrinking for the main body and breakouts?

Main body shrinks from 2.39 inches to 1.45 inches; each breakout shrinks from 0.8 inches to 0.35 inches.

How should the adhesive-lined boot be heated to ensure proper sealing?

Apply heat evenly around the boot until the adhesive flows and the wall thickness reaches 0.1 inches after shrinking.

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