HSK Roller Bearing Tightening Fixture CNC Tool Holder Tightening Fixture Fit HSK32 A/B/C/D/E/F Tool Holder Lock Seat -HSK rolling tightening fixture is suitable for HSK A/B/C/D/E/F tool holder, no damage, no scratch to tool holder. -High-quality materials. Super anti-corrosion effect, no rust. Roller bearing tightening. -With 12 needles rollers design,the locking effect is better. -The shell adopts K1 coating technology,which is wear-resistant and corrosion-resistant,and has a long service life. HSK-32/40/50/63 Bearing Tightening Fixture Product parameter Product Details Internal ball bearing clamping. Solid casting durability. Easy to use,Reduce taper wear and extend tool holder service life. How to choose suitable tightening fixture? 1.Measure the diameter of tool holder with a caplier. 2.According to the diameter of the tool holder, compare the product parameter table above to choose a suitable tightening fixture.