Precise Drill Chucks w/ Key

• All parts are made of high grade alloy steel and heat treated, resulting in strong durability.
  Precise heavy duty drill chuck is specifically engineered for heavy-duty production drilling
• Drill chuck designed for drilling applications on portable bench, floor type drill presses, mills, lathes & more
• Sleeve bearing construction improves gripping force and drilling accuracy
• Precision ground taper end to provide tight mounting onto appropriate arbor
• Sleeve teeth, nose piece and keyholes are through hardened, providing outstanding wear resistance
• Sleeve teeth is form by cold pressing to improve durability
• One piece sleeve design eliminate the cracks between driving teeth