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HIPULX 12″ Auger Drill Bit Set (6Pcs, 1/4″–7/8″)

$25.29 on Amazon.com (as of October 19, 2026, 3:19 AM EST) View details ↗

Upgrade your woodworking with the **HIPULX 12-inch Auger Drill Bit Set**, engineered for precision, speed, and durability. The **self-feeding screw tip** eliminates guesswork—simply press and let the bit pull itself into the material for flawless starts, even on smooth or curved surfaces. No more slipping or misalignment, making it ideal for both professionals and DIYers tackling hardwood, softwood, plastic, drywall, or composite materials.

Built for heavy-duty use, these bits feature a **professional-grade single-tooth cutting edge** and oversized chip flutes, ensuring rapid, clean hole boring with minimal clogging or overheating. Forged from **40CR steel** and heat-treated for toughness, they withstand demanding jobs—including deep drilling—while the **hexagonal shank** delivers a secure grip in high-torque drills and drill presses. The set includes **six essential sizes (1/4″–7/8″)**, all 12 inches long, plus a reusable storage bag to keep them organized and protected. Whether you're mounting fixtures, drilling stumps, or working with MDF, these bits combine efficiency and longevity for a smoother, faster workflow.

Bit Length12 inches
Material40CR steel (hardened & heat-treated)
Shank TypeHexagonal (compatible with high-torque drills & drill presses)
Cutting DesignSingle-tooth with oversized chip flutes
Included Sizes1/4″, 3/8″, 1/2″, 5/8″, 3/4″, 7/8″
Starting MechanismSelf-feeding screw tip (reduces slippage on smooth surfaces)
Can these bits be used with cordless drills?
Yes, the hexagonal shank is designed for high-torque tools, including most cordless drills rated for heavy-duty use.
What happens if a bit bends during use?
The 40CR steel construction allows the bits to be restored if bent, unlike cheaper materials that may need replacement.
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