1. Introduction

The 6-Piece Combination Drill and Tap Bit Set is an essential efficiency-boosting tool for modern industrial fabrication and MRO (Maintenance, Repair, and Operations). This all-in-one tool integrates drilling, tapping, and deburring/countersinking into a single operation, significantly reducing production time and the need for multiple tool changes.

Manufactured from high-grade High-Speed Steel (HSS-M2 or 4341), these bits are designed for use with impact drivers and power drills. The 1/4" quick-change hex shank ensures a secure fit and prevents slippage, making it perfect for thin metal sheets, aluminum, plastic, and other light-duty threading tasks. Since 1997, our manufacturing heritage ensures that every bit meets the precision and durability required for professional use.

2. Technical Specifications (Technical Data)

Size Chart (Included in Set)

3. Applications & Material Compatibility

• One-Step Operation: Complete hole drilling, thread tapping, and top-side deburring in a single pass.

• Workpiece Compatibility: Optimized for materials up to 5mm thickness, including:

  • Aluminum Alloys and Copper.

  • Thin Carbon Steels (Mild Steel).

  • Plastics, PVC, and Wood.

• Power Tool Ready: Designed for use with cordless drills, impact drivers, and stationary tapping machines with hex-chuck adapters.

4. Packaging & Wholesale Advantages (B2B Focus)

• Premium Case Options: Available in a rugged Compact Plastic Case or a high-end Aluminum Case with precision-cut foam/slots for secure storage.

• Logistics Protection: Each set is packed in a protective inner box before being placed in reinforced 5-layer corrugated cartons, ensuring no damage during cross-border sea or air transit.

• OEM Customization: We offer full Laser Marking on the hex shanks (Brand Logo + Size + Material) and customized labeling for retail or industrial distribution.

5. FAQ (Frequently Asked Questions)

• Q: Can these bits be used for stainless steel?

  • A: These bits are primarily designed for aluminum and soft steels. For stainless steel, we recommend lower RPMs with high-quality cutting oil, though tool life will be significantly shorter compared to carbon steel.

• Q: Why use a combination drill-tap instead of separate tools?

  • A: It saves up to 50% of your labor time. By combining the processes, you eliminate the alignment issues between the drilled hole and the tap, ensuring perfect thread concentricity.

• Q: What is the benefit of the 1/4" Hex Shank?

  • A: The hex shank is the industry standard for impact drivers. It provides more torque transfer than a round shank and allows for ultra-fast bit changes without a chuck key.