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 
Bulk Pricing Available
Prices shown are per unit. Bulk tiers vary by size.
SKU Single Tier 1 (Qty) Tier 1 Price Tier 2 (Qty) Tier 2 Price
HSEC-BU-0125 $0.35 1000 $0.32 2500 $0.30
HSEC-BU-0188 $0.42 1000 $0.38 2500 $0.36
HSEC-BU-025 $0.55 1000 $0.50 2500 $0.47
HSEC-BU-0375 $0.65 1000 $0.59 2500 $0.55
HSEC-BU-050 $1.00 500 $0.85 1500 $0.75
HSEC-BU-100 $1.47 500 $1.25 1500 $1.10
HSEC-BU-150 $2.00 500 $1.70 1500 $1.50
HSEC-BU-150L $2.25 500 $1.91 1500 $1.69
HSEC-BU-200 $3.00 250 $2.55 750 $2.25
HSEC-BU-200L $3.25 250 $2.76 750 $2.44
HSEC-BU-300 $3.50 250 $2.98 750 $2.63
HSEC-BU-300L $4.60 250 $3.91 750 $3.45
HSEC-BU-400 $5.40 250 $4.59 750 $4.05
HSEC-BU-400L $6.10 250 $5.19 750 $4.58
HSEC-BU-500 $6.90 100 $6.21 250 $5.87
HSEC-BU-630 $9.25 100 $8.33 250 $7.86
HSEC-BU-787 $26.00 50 $22.10 100 $20.80
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 inch12.760.310.09
$1.47 HSEC-BU-100
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
4" 4"3.946.11.970.16
$5.40 HSEC-BU-400
4" Long 4"4.136.691.770.16
$6.10 HSEC-BU-400L
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