Lenox 1787602 Self-Feed Lead Screws Fits 1″ – 1-3/8″, 5-Pack

Use this to replace worn screw tips on self-feed hole saw pilot drill bits. Constructed from hardened carbon steel. Aggressive screw pitch pulls bits through material quickly and effortlessly. LENOX Tools Replacement Screw for Bi-Metal Self-Feed Drill Bits, 5-Pack (1787602).

• Extreme durability: high speed steel cutting edge for superior durability in nail-embedded wood. stays sharper longer.
• Clean holes and easy removal: chamfered edge allows bit to be removed easily after drilling. flutes remove excess wood chips
• Fast, easy drilling: aggressive lead screw tip pulls the bit through material quickly and effortlessly
• Increased value: extra lead screw and wrench included in every package
• Deep cuts: long shank that cuts 4″x 4″ without extension
• Quick change: impact hex shank allows for quick changing of the bits