CTD XGT-AG XL Drill Bit, 3/8"X9"

CTD XGT-AG XL Drill Bit, 3/8"X9"

The 40860 CTD XGT-AG XL Drill Bit is a heavy-duty extra-length drill built for deep-hole drilling without constant pecking and chip-clearing stops—because nobody wants to drill a hole in 12 separate chapters. Featuring Type XGT-AG gyroidal torsion flutes and wide land construction, it’s engineered for strong chip control and stability in demanding materials, including work-hardening stainless steels and other hard metals. With a 135° split point and the ability to drill 12+ diameters deep without removal, it’s made to run faster and cleaner than standard drills.

Country of Origin
Varies by production batch

Key Features / Specifications

• Model / Part Number: 40860
• Brand: CTD
• Series / Type: XGT-AG (Type XGT-AG)
• Product Type: Extra length drill bit
• Measurement Type: Fractional
• Diameter: 3/8 in
• Overall Length: 9 in
• Flute Length: 6 in
• Point: 135° split point
• Shank Type: Straight
• Material: High speed steel (HSS)
• Performance Level: Heavy duty
• Applicable Materials: Stainless steel, hard metals
• Design Advantage: Gyroidal torsion flute + wide land construction for deep-hole stability and chip evacuation
• Deep Drilling Capability: Drills 12+ diameters deep without drill removal to clear chips
• Productivity Note: Feed rates may be up to 2× standard drills (application dependent)

Ideal For

• Deep-hole drilling where chip packing is the enemy
• Work-hardening stainless steels that punish ordinary drill bits
• Production work needing higher feed rates and fewer interruptions
• Shops looking for a long drill that stays stable instead of wandering off on its own adventure
• Anyone who wants the drill to do the job in one go—not a pecking marathon