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
$0.35 HSEC-BU-0125
3/16" Nipple end 3/16"0.18710.060.062
$0.42 HSEC-BU-0188
1/4" Nipple end 1/4"0.251.120.080.078
$0.55 HSEC-BU-025
3/8" Nipple end 3/8"0.391.340.160.08
$0.65 HSEC-BU-0375
1/2" 1/2"0.551.770.180.08
$1.00 HSEC-BU-050
1-1/2" 1 1/2"1.383.350.590.12
$2.00 HSEC-BU-150
1-1/2" Long 1 1/2"1.654.330.590.12
$2.25 HSEC-BU-150L
2" 2"2.174.3310.13
$3.00 HSEC-BU-200
2" Long 2"2.175.510.910.15
$3.25 HSEC-BU-200L
3" 3"2.954.721.380.14
$3.50 HSEC-BU-300
3" Long 3"2.955.911.380.15
$4.60 HSEC-BU-300L
5" 5"4.726.12.360.16
$6.90 HSEC-BU-500
6" 6"6.35.93.230.16
$9.25 HSEC-BU-630
8" 8"7.875.93.540.165
$26.00 HSEC-BU-787