
Boring Bar Sleeves are precision adapter bushings designed to mount smaller-diameter boring bars or round shank tools into larger toolholders on CNC lathes or turning centers, improving clamping stability and reducing tool vibration.
Specification
- Outer Diameter Sizes: Ø20 / Ø25 / Ø32 / Ø40 / Ø50 mm (standard holder sizes)
- Inner Diameter Sizes: Ø6 / Ø8 / Ø10 / Ø12 / Ø16 / Ø20 / Ø25 mm (boring bar sizes)
- Common Sleeve Types: Single/double flat locating, slotted sleeves, tight-fit precision-ground, set-screw sleeves
- Standards: Compatible with VDI, BMT, CAPTO toolholders
- Precision concentricity: 0.01mm / 0.03mm / 0.06mm
- Heat-treated: HRC 36-44, 42-50, 48-56