KnKut 5-Piece Carbide Tipped Hard Steel Drill Bit Set (5KK9)

Description

The KnKut 5-Piece Carbide Tipped Hard Steel Drill Bit Set (5KK9) is engineered for specialized drilling tasks involving extremely hard materials. This set provides a solution for creating holes in steel with a Rockwell “C” hardness ranging from 48 to 65, eliminating the need for pre-annealing or significant alteration of the material’s structural integrity. It is an essential tool for situations where conventional drill bits fail, offering a reliable method to penetrate challenging metals.

KEY FEATURES AND BENEFITS:

• Precision Drilling for Hardened Steel: Specifically designed to drill steel hardened between 48 and 65 Rockwell “C”, allowing for direct drilling without the need to soften the material beforehand.
• Versatile Application: Ideal for a wide range of tough drilling scenarios, including removing broken studs, penetrating spring bolts, working on die sections, extracting broken easy outs, and drilling into other extra tough or exotic metals.
• Optimal Performance Guidelines: Achieves best results when used with heavy pressure and low RPMs, ensuring the carbide tips engage the material effectively and maintain their integrity.
• Enhanced Tool Longevity: Requires the consistent use of cutting oil to lubricate and cool the bit during operation, extending its lifespan and maintaining cutting efficiency.
• Flexible Use: While primarily recommended for drill presses for optimal control and stability, these bits can also be used in portable drills for field applications where a press is not available.

SPECIFICATIONS:

• Included in Set:
• 1 piece: 1/8″ Carbide Tipped Hard Steel Drill Bit
• 1 piece: 3/16″ Carbide Tipped Hard Steel Drill Bit
• 1 piece: 1/4″ Carbide Tipped Hard Steel Drill Bit
• 1 piece: 5/16″ x 4″ Carbide Tipped Hard Steel Drill Bit
• 1 piece: 3/8″ x 4″ Carbide Tipped Hard Steel Drill Bit

HOW TO USE:

1. Preparation: Ensure your workpiece is securely clamped to prevent movement during drilling. If using a drill press, confirm the machine is stable.
2. Bit Selection: Choose the appropriate drill bit size from the 5KK9 set for your specific application.
3. Machine Setup: Set your drill press or portable drill to a very low RPM setting. High speeds will damage the bit.
4. Lubrication: Apply a generous amount of cutting oil directly to the drilling area on the workpiece before starting and continue to apply throughout the drilling process.
5. Drilling Technique: Initiate drilling by applying heavy, consistent pressure. Allow the bit to slowly cut into the hardened material. Do not “peck” or lift the bit frequently unless clearing chips; maintain constant pressure.
6. Cooling: Continuously use cutting oil to dissipate heat generated during drilling.
7. Completion: Once the hole is drilled, retract the bit safely. Clean the bit and store it properly.

BENEFITS OF USING KNKUT 5-PIECE CARBIDE TIPPED HARD STEEL DRILL BIT SET (5KK9):

• Eliminates the time and effort required for annealing hard materials.
• Preserves the original hardness and structural integrity of the workpiece.
• Provides a specialized solution for otherwise un-drillable metals.
• Reduces the need for multiple tools or complex preparation steps.
• Offers a cost-effective alternative to professional services for broken fasteners.
• Designed for reliability in demanding applications.

FEATURES:

• Carbide-tipped cutting points for enhanced material penetration.
• Engineered to resist wear in highly abrasive conditions.
• Specifically ground geometry for precise engagement with hardened surfaces.
• Each bit sized for common repair and fabrication needs.
• Shaft designed for secure chuck grip in both drill presses and portable tools.
• Designed to maintain material hardness post-drilling.