Ball Bearing Chucks, K4, 1/8 in-3/4 in Cap., Jacobs 4JT Female

Ball Bearing Chucks, K4, 1/8 in-3/4 in Cap., Jacobs 4JT Female

Item # 403-30233

  • 1-piece fluted sleeve construction
  • Ball trust bearing reduces friction in chuck closing mechansim
  • Through-hardened sleeve teeth, nose, and keyholes for wear resistance
  • Maximizes gripping force and drilling accuracy
  • Treated to ensure thread life and high gripping surface hardness
  • Jaws center-ground for absolute straightness and alignment
  • For heavy-duty, close tolerance production drilling
  • For production drilling equipment, jig borers, milling machines, lathes, and radials
1EA
Manufacturers Item #30233
Retail Price:
$678.55/EA

1-piece fluted sleeve construction. Ball trust bearing reduces friction in chuck closing mechansim. Through-hardened sleeve teeth, nose, and keyholes for wear resistance. Maximizes gripping force and drilling accuracy. Treated to ensure thread life and high gripping surface hardness. Jaws center-ground for absolute straightness and alignment. For heavy-duty, close tolerance production drilling. For production drilling equipment, jig borers, milling machines, lathes, and radials.

  • Bit/Blade Mounting Size [Max] 3/4 in
  • Bit/Blade Mounting Size [Min] 1/8 in
  • Capacity [Max] 3/4 in (mild steel)
  • Capacity [Min] 1/8 in (mild steel)
  • Finish Fluted Sleeve
  • Housing Diam 3 in
  • Key Size K4
  • Mechanism Ball Bearing
  • Mounting Jacobs 4JT Female
  • Overall Length [Max] 5.12 in
  • Overall Length [Min] 3.95 in
  • Type Keyed
  • Wt. 66 oz