SK

3-jaw strong scroll chuck plain back, 2-piece jaws (front and back mounted)

  • SK types chucks have wider unilization range; hard jaws suitable for heavy cutting; soft jaws suitable for light and precision cutting.
  • Hard jaws could be used as internal jaws and external jaws.
  • Gripping accuracy of 0.03mm (0.0012 inch) T.I.R.
  • The body is made of MEEHANITE. It is suitably used for high speed revolution and 3 times more durable than regular material.
4-jaw strong scroll chuck plain back, 2-piece jaws (front and back mounted)
4-jaw strong scroll chuck plain back, 2-piece jaws (front and back mounted)
UNIT : mm
SPEC
Model
A B C D E F G H J K L Allowable
Handle
Torque
(kgf‧m)
Gripping
Force
(kgf)
Max.
Speed
(r.p.m.)
Weight
(kg)
Moment
Of Inertia I
(kg‧m2 )
Gripping Range
Back / Front O.D. Range / I.D. Range
SK-4 112 58 80 95 32 4.8 — / 3-M8x65 47 19 31.6 8 4.5 1200 2500 3.8 - Ø3-Ø95 / Ø29-Ø84
SK-6 167 67 130 147 45 5.5 3-M10 / 3-M10x70 72 26 40.2 10 9.0 2200 2000 9 0.03 Ø4-Ø160 / Ø55-Ø150
SK-7 192 76.5 155 172 58 5.5 3-M10 / 3-M10x80 81.2 28 42 11 11.0 2500 2000 13.8 0.06 Ø8-Ø180 / Ø62-Ø170
SK-8 200 76.5 160 176 58 5.5 3-M10 / 3-M10x80 82 28 42 11 11.0 2500 2000 15.5 0.07 Ø8-Ø190 / Ø68-Ø180
SK-9 232 84 190 210 70 6 3-M12 / 3-M12x90 90.9 32 51.2 12 15.0 3000 2000 22 0.16 Ø11-Ø220 / Ø70-Ø210
SK-10 273 87 230 250 89 8 3-M12 / 3-M12x90 100.5 35 56.7 12 19.5 4000 1800 29.7 0.26 Ø12-Ø260 / Ø80-Ø250
SK-12 310 96 260 285 105 7 3-M12 / 3-M12x110 114.5 40 56.8 14 21.0 4200 1800 43.5 0.58 Ø15-Ø300 / Ø90-Ø290
SK-16 405 122 345 375 160 8.7 — / 6-M14x130 148.6 50 76.1 15 25.0 4500 1500 98 1.72 Ø30-Ø380 / Ø110-Ø360