23/02/2026

Fixing tie for hole (round), inside serrated, ⌀1.6-38.0mm, black, 500pcs.
Art.-No. 156-00296 | T50RDHFT6-PA66/PA66HS-BK

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  • 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.
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.
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 (metric) 180N
PART DESCRIPTION T50RDHFT6-PA66/PA66HS-BK
Packaging Type bag
Part No. 156-00296
Product family 2-Piece Tie Assemblies
Product family Fixing ties for holes
Type T50RDHFT6
Cable Tie Closure doublehead
Disc Diameter (metric) 16.0mm
Fixation Method Fir Tree
Height (metric) 1.4mm
Height 2 (metric) 7.5mm
Identification Plate Position none
Length (imperial) 8.3"
Length (metric) 210.82mm
Length 2 (metric) 11.6mm
Max. Bundle Diameter (imperial) 1.5"
Max. Bundle Diameter (metric) 38.0mm
Max. Bundle Diameter First Hole (imperial) 1.7"
Max. Bundle Diameter First Hole (metric) 44.4mm
Max. Bundle Diameter Second Hole (imperial) 0.75"
Max. Bundle Diameter Second Hole (metric) 19.0mm
Max. Panel Thickness (metric) 3.00mm
Min. Bundle Diameter (imperial) 0.06"
Min. Bundle Diameter (metric) 1.6mm
Min. Panel Thickness (metric) 0.75mm
Mounting Hole Diameter (metric) 6.4 - 7.1 mm
Releasable Closure No
Width (imperial) 0.19"
Width (metric) 4.7mm
Width 2 (metric) 9.0mm
Material PA66, PA66HS
Material Polyamide 6.6 (PA66), Polyamide 6.6 heat stabilized (PA66HS)
Operating Temperature -40°F to +185°F (-40°C to +85°C)
ROHS compliant Yes
Pkg. Qty. 500Pieces
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