High-Tension Cable Tie Tensioning and Cutoff Tool by HellermannTyton®

Removes the “Ouch Factor” from Cable Tie Installation for Both Fingers and Cables

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What's special about this HellermannTyton® tool?

  • Eliminates the fatigue and raw fingers that come from installing cable ties with your bare hands
  • Properly tensions and trims cable ties with simple trigger action
  • Extra comfort and control with contoured foam-grip handle
  • Click for More Features
GSA approved

The patented HellermannTyton® MK7HT cable tie high tension and cutoff tool has top of the line design features to install industry standard plastic cable ties. The MK7HT is equipped with three adjustable tension ranges for increased tension needs. The cable tie tension tool has a padded foam grip handle for comfort and control. The MK7HT cuts the tie to the desired length. Replaceable blade kit may be ordered separately. The MK7HT cable tie tool can accommodate cable ties from 0.09" to 0.18" in width and a minimum tensile strength of 50 lbs.


SRIS-MK7HT Cable Tie High Tension and Cutoff Tool MK7HT 1 lb
SRIS-MK7BladeKit MK7HT Blade Replacement Kit 0.5 lb


Related Cable Ties

CT04-100 4" 18 lbs 100
CT055-100CL 5.5" (clear only) 40 lbs 100
CT07-100 7" 40 lbs 100
CT07-50LB-100 7" 50 lbs 100
CT11-50LB-100 11" 50 lbs 100
CT14-100 14" 50 lbs 100
CT14-120LB-100 14" 120 lbs 100
  • 3 adjustable tension levels prevent cable damage and attenuation that can result from over-tightening cable ties
  • Change dull blades instead of replacing entire tool with optional Replacement Blade Kit
  • Three adjustable tension ranges
  • Padded foam grip handle for comfort
  • Tensions and cuts plastic cable ties that range from 0.09” to 0.18” in width and have a minimum tensile strength of 50 lbs
  • Weight: 1 lb
  • Only use with 0.09” to 0.18” wide plastic cable ties that have a minimum tensile strength of 50 lbs



Approximate cut-off force of tool - lbs (newtons)

Setting MK7 MK7HT MK9 MK9HT
1 4 (18) 8 (35) 17 (78) 17 (78)
2 7 (29) 9 (40) 26 (117) 25 (111)
3 11 (49) 15 (68) 31 (137) 33 (146)
4 15 (68) 19 (84) 35 (157) 42 (186)
5 17 (78) 21 (93) 42 (186) 50 (222)
6 20 (88) 24 (106) 51 (225) 62 (275)
7 22 (98) 31 (138) 53 (235) 74 (329)
8 26 (117) 32 (142) 55 (245) 87 (386)


The tension settings listed below and recommendations only

Tool Series Cable Tie Tie Width Setting
MK7 T18 - T25 0.098” (2.5mm) MIN 1-3
MK7 T30 - T40 0.140” (3.5mm) INT 3-5
MK7 T50 0.190” (4.6mm) STD 6-8
MK9 T18 - T40 0.098 - 0.14” (2.5-3.5mm) STD 1-4
MK9 T50 - T250 0.190 - 0.492 (4.6-12.4mm) HVY 5-8



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