Tru-Cut HDC.140 Jobber Length Drill Bit 135° Split Point Black Gold Oxide

The Tru-Cut HDC.140 is a precision-manufactured high-speed steel jobber length drill bit designed for professional metalworking and general-purpose drilling applications. This drill bit features a 12-9/64" (0.1405") diameter with a durable black and gold oxide finish that provides superior performance across a wide range of materials.

Key Features:

• High-speed steel construction for excellent hardness, toughness, and heat resistance
• Black and gold oxide finish reduces friction, retains cutting fluid, and prevents chip welding
• 135-degree split point design for self-centering operation and reduced walking
• Jobber length provides optimal balance of reach and rigidity for standard drilling depths
• Right-hand spiral flutes efficiently evacuate chips and allow coolant flow
• Meets ANSI specifications for precision and reliability

The combination black and gold oxide surface treatment enhances tool life by holding lubrication for smoother drilling while providing wear resistance. The 135-degree split point eliminates the need for center punching in most applications, ensuring accurate hole placement from the first contact. Ideal for drilling steel, stainless steel, cast iron, aluminum, copper, plastics, and other machinable materials in both shop and field environments.