HUAALIUCHE Flexible Installer Drill Bit 9/16 x 54-Inch Fish Bit for Pulling Wire Through Tight Spaces with Minimal Damage 2pcs

[Professional-Grade Durability]: Use this flexible installer drill bit for walls and ceilings，with minimal damage. Made from high-carbon spring steel , this flexible drill bit for wire pulling resists bending fatigue and corrosion, ensuring long-term reliability for electricians, installers, and DIYers tackling heavy-duty wiring tasks. [Anti-slip end]:the fish bit was designed with a 3 flat tip shank to prevent slipping in chuck.Unlike generic flex bits , our anti-slip shank + reinforced eyelet prevents sudden dislodging during overhead drilling, reducing injury risks in cramped attic or basement spaces [Pulling Cable]: Fish eye hole provided near tip of flutes to aid in pulling wire inside wall cavity from either direction after drilling, without damage to the wall [Dimension]:9/16-inch head diameter, 3/16 inch shank diameter, and overall length is 54-inch [Flexibility]: 54" Models : ▶ Max bend: 90° ( Emergency brief use). ▶ Optimal Bend ≤60° , rotate steadily. [Rapid Installation, Zero Hassle]： Combine the flex drill bit with any 3/16" chuck drill for lightning-fast penetration through drywall, wood, and PVC.The long flexible drill bit for electrical wiring dramatically reduces installation time compared to traditional rigid bits, streamlining workflow for efficiency. [Universal Chuck Compatibility] ：The 3/16" shank fits seamlessly into all cordless/corded drills, and the flexible auger drill bit for wire pulling maintains smooth, stable rotation under high-torque conditions-ensuring compatibility with professional-grade tools without wobbling or slippage. 【Tips】 1.Use a low speed and a powerful corded drill. Control the torque to prevent overheating, jamming, or damage. 2.For a sharper edge, new bits can be ground to remove the coating. Sharpen them regularly as they dull with use to extend their life.