Sikka Manufactures and supplies collet sleeves of Automats A-15, A-20, A-25, A-30, A-32, A-42 & A-60. Collet sleeves are used in spindle to hold the collet for gripping.
Advantage of sikka collet sleeves
Well hardend and ground with case hardend material .
Accurate size and runs in 0.003mm, that makes the life of the spindle longer.
| Part no. | Type | ØD | Ød | L | (Fig) |
| Sp-03 | A-15 | Ø38 | Ø28 | 69.5 | a |
| Sp-16 | A-25 | Ø52 | Ø37 | 96 | a |
| Sp-31 | A-30 | Ø56 | Ø42 | 96.7 | a |
| Sp-41 | A-32 | Ø56 | Ø50 | 132 | a |
| Sp-42 | A-32-110 | Ø56 | Ø46 | 131 | a |
| Sp-54 | A-42 | Ø68 | Ø54 | 114 | b |
| Sp-55 | T-42 | Ø65 | Ø57 | 108.5 | b |
| Sp-65 | A-60 | Ø86 | Ø74 | 114 | b |
| Sp-71 | TB-60 | Ø86 | Ø74 | 138 | b |