BULK Heat Shrink End Cap | Adhesive Lined | 3:1 Shrink Ratio

BULK Heat Shrink End Caps

Get the same high-performance heat shrink end caps—now available in bulk quantities at discounted pricing. Perfect for OEMs, electricians, installers, and distributors who need reliable sealing solutions at scale.

These dual-wall end caps feature an inner layer of hot-melt adhesive that bonds securely to plastic and metal, creating a long-lasting, pressure-tight seal for communication and power cables.

Key Features:

  • Bulk purchase option with cost-effective, volume-based pricing
  • Dual-wall construction with adhesive lining for strong, secure bonding
  • Forms a pressure-tight, moisture-resistant seal on cable ends
  • Shrink temperature: 120–135°C
  • Continuous operating temperature: up to 110°C
  • Electric strength: 15 kV/mm (381 V/mil) minimum 3:1 shrink ratio—six sizes cover diameters from 0.16" to 5"
  • Adhesive lining blocks moisture penetration for long-term storage
  • Select diameters now available in extended LONG sizes 
Diameter NominalID Before ShrinkLength Before ShrinkID After ShrinkWall Thickness Buy
1/8" Nipple end 1/8"0.1250.870.0230.048
$0.32 HSEC-BU-0125
3/16" Nipple end 3/16"0.18710.060.062
$0.38 HSEC-BU-0188
1/4" Nipple end 1/4"0.251.120.080.078
$0.50 HSEC-BU-025
3/8" Nipple end 3/8"0.391.340.160.08
$0.59 HSEC-BU-0375
1/2" 1/2"0.551.770.180.08
$0.85 HSEC-BU-050