AIRCRAFT EXTENSION: 3/16 inch cutting diameter, 6 inch overall length, 135 degree split point, straight shank.
PREMIUM M2 HIGH-SPEED STEEL: Made from premium M2 high-speed steel, performs better than other general purpose 4241 and 4341 high-speed steel because of its well-balanced toughness.
APPLICATIONS: Ideal for jobs that require extra reach and deep drilling applications in medium and softer materials, soft metal, PVC, and wood.
BLACK OXIDE: Black oxide coating resists corrosion and improves lifespan of the bit.
US-BASED CUSTOMER SERVICE: Available by chat, email, phone, or visit us at our customer service center in La Crosse, WI.