Jacobs® 3655DD Thumb Handle Chuck Key, 3/8 in Pilot, K4 Key Number, For Use With 36. 16, 18N Chucks, Soft Steel
Item #BC003206

Jacobs® Chuck Key, Thumb Handle, 3/8 in Pilot Dia, Key Number: K4, For Use With: 36. 16, 18N Chucks, Soft Steel
  • Soft steel handles limit the potential for dangerous fracturing under excessive load
  • Never apply extensions, pliers, wrenches or 'cheaters' of any kind to chuck key handles
  • Do not subject chuck key handles to hammer or other impact blows
  • Precision crafted for an exact fit
  • 12 Teeth
  • Nickel thumb grip styles increase leverage and user comfort
TypeThumb Handle
Pilot Diameter3/8 in
Suitable For Use With36. 16, 18N Chucks
Key NumberK4
MaterialSoft Steel
Warranty1 Year