Tool Holer HSK32/40/50/63 Ball Bearing Tightening Fixture Tool Holder Fixture with 12 needle rollers design easy mount and dismount Features of Tool Holder HSK32/40/50/63 Super anti-corrosion effect,no rust;Durability/Flexible Tightening/No Damage/Easy Mount&Dismount.Internal ball bearing clamping;Solid casting,durability;Easy to use,reduce taper wear,prolong tool holder life precision.The shell adopts K1 caating technology,which is wear-resistant and corrosion-resistant,and has a long service life.With 12 needles rollers design,the locking effect is better.Bearing tightening fixture can better protect tool holder without damaging,also it is more conveninent to assemble nuts and time-saving.Bearing tightening fixture can better protect tool holder without damaging,also it is more conveninent to assemble nuts and time-saving.The tightening fixture is suitable for HSK A/B/C/D/E/F Holder,which adopts roller bearing tightening and flexible tightening ,no damage to the tool holder. Product Parameters Note：Please pay attention to the product parameters when purchasing, which will help you choose the right product. How to choose suitable tightening fixture? Measure the diameter of tool holder with a caplier.Choose a suitable tightening fixture according to the diameter of the tool holder. Product Display