Characteristic

Model : 3X5JV

This HSK clamping unit series is specially designed for spindle repair and replacement. It allows precise matching of clamping dimensions according to original specifications (order), or undersized options (-0.3mm / -0.6mm) to compensate for spindle wear, thus restoring tool holding capacity and extending spindle service life.

Compatible with standard HSK sizes (E25 to A100/B125)
Available in three variants: Standard (order), -0.3mm, and -0.6mm undersize
Provides standard lg (clamping length) references for easy selection
Made of high-strength materials with precision surface treatment
Enables quick and reliable spindle maintenance operations

HSK Clamping Unit for Spindle Repair

Nominal   Size	HSK B Standard lg (mm)	HSK B-E -0.3 lg (mm)	HSK B-E -0.6 lg (mm)
E25	18.5	18.2	17.9
A32/B40/E32	30	29.7	29.4
A40/B50/E40	44	43.7	43.4
A50/B63/E50	45	44.7	44.4
A63/B80/E63	52	51.7	51.4
A80/B100	56	55.7	55.4
A100/B125	70	69.7	69.4

Drawing Highlights (based on diagrams):

• lg: clamping unit length reference

• d1, d3: spindle internal dimensions

• Structural differences between standard, -0.3mm, and -0.6mm versions are illustrated

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Usage Recommendations:

• Standard (order): for normal spindle wear conditions

• -0.3mm: for slight spindle bore wear

• -0.6mm: for moderate spindle bore wear

• Always measure the spindle bore before selecting the appropriate clamping unit.