21/02/2026

Fixing tie for hole (round), inside serrated, ⌀4.0-45.0mm, black, 500pcs.
Art.-No. 156-00025 | T50RFT5-PA66HS/PA66HIRHS-BK

Copied
  • Friction tab inside the fir tree allows the tie to sit in mount without falling out prior to installation.
  • Fir tree provides low insertion effort yet demonstrates high extraction resistance.
  • Disc feature prevents rattling in high-vibration applications and protects against debris ingress.
Package size
Application Primarily designed for fixing cable harnesses in the automotive industry their simplicity, and ease of use, has seen these parts used in everything from aircraft, to switch-gear, to washing machines.
Brand Family FT-Series
Color Black (BK)
Description HellermannTyton’s fir tree mounts provide a secure grip in a mounting hole. The mount can slide along the cable tie to adjust orientation as needed. Fir tree mounts are designed to provide a low insertion force and high extraction force. This mount is sold as an assembly with the cable tie.
Min. Tensile Strength (imperial) 50lbs
Min. Tensile Strength (metric) 222N
PART DESCRIPTION T50RFT5-PA66HS/PA66HIRHS-BK
Packaging Type pack
Part No. 156-00025
Product family 2-Piece Tie Assemblies
Product family Fixing ties for holes
Short Desc. 156-00025 has been obsoleted and replaced with 156-03188
Type T50RFT5
UV Resistant No
Cable Tie Closure plastic pawl
Disc Diameter (imperial) 0.63"
Disc Diameter (metric) 16.0mm
Fixation Method Fir tree for round holes
Height (imperial) 0.05"
Height (metric) 1.2mm
Height 2 (imperial) 0.27"
Height 2 (metric) 6.9mm
Identification Plate Position none
Length (imperial) 7.9"
Length (metric) 200.0mm
Length 2 (imperial) 0.46"
Length 2 (metric) 11.6mm
Length 3 (imperial) 0.52"
Length 3 (metric) 13.2mm
Max. Bundle Diameter (imperial) 1.77"
Max. Bundle Diameter (metric) 45.0mm
Max. Mounting Hole Diameter (imperial) 0.2"
Max. Panel Thickness (imperial) 0.12"
Max. Panel Thickness (metric) 3.0mm
Min. Bundle Diameter (imperial) 0.16"
Min. Bundle Diameter (metric) 4.0mm
Min. Mounting Hole Diameter (imperial) 0.18"
Min. Panel Thickness (imperial) 0.03"
Min. Panel Thickness (metric) 0.7mm
Mounting Hole Diameter (imperial) 0.18 - 0.20 "
Mounting Hole Diameter (metric) 4.5 - 5.0 mm
Mounting Hole Shape Round
Panel Thickness (imperial) 0.03 - 0.12"
Panel Thickness (metric) 0.7 - 3.0mm
Releasable Closure No
Width (imperial) 0.18"
Width (metric) 4.6mm
Width 2 (imperial) 0.35"
Width 3 (imperial) 0.2"
Width 3 (metric) 5.0mm
CE Certification No
CSA Certified No
Cable Tie Polyamide 6.6 heat stabilized (PA66HS)
Flammability UL 94 HB
Material PA66HS, PA66HIRHS
Material Polyamide 6.6 heat stabilized (PA66HS), Polyamide 6.6, high impact modified, heat stabilized (PA66HIRHS)
Material Foot Part PA66HIRHS
Operating Temperature -40°F to +221°F (-40°C to +105°C)
Prop65 Warning No
REACH Conformity Yes
ROHS compliant Yes
Customs Number (Schedule B) 3926909988
Harmonized Tariff Schedule Code 3926.90.9989
Packaging 1 - Weight (kg) 0.927135kg
Pkg. Qty. 500
Pkg. Qty. 500Pieces
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