Extra Length Drill
Viking Type XGT-UB F 4 Flute & 6 Overall Length Premium High Speed Steel 135? Split Point Extra Long Parabolic Drill

Extra Length Drill

Made In The USA
Item #: 01-137-216
Size Type: Letter
Size: F
Overall Length: 6"

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Will drill 12 or more diameters deep without drill removal to clear chips


  • Heavy-duty construction, 135° split point, no center punch needed- will not walk.
  • Feeds rates twice that of standard drills.


  • Recommended for work hardening grades of stainless steel and other hard metal drilling applications.
  • Gyroidal Torsion flute and wide land construction yields exceptional performance in deep hole drilling applications.
  • Although (UB) Ultra bore drills will substantially outperform cobalt drills in most stainless steel, it is recommended that cobalt drills to used in the machining of free machining stainless steels such as 400 series & 303 materials along with titanium alloys.


  • Gold surface treated for maximum lubricity.
  • Special Hi-Molybdenum tool steel.
Viking Type XGT-UB F 4" Flute & 6" Overall Length Premium High Speed Steel 135° Split Point Extra Long Parabolic Drill
Product Specifications
Size Type Letter
Size F
Overall Length 6"
Drill Point Angle 135°
Tool Material High Speed Steel
Finish Coating Black & Gold
Drill Grade M2 Special Hi-Molybdenum Tool Steel
Drill Type Extra Length
Flute Length 4"
Flute Shape Wide Land Gyroidal Torsion
Hardness 58 to 60 RC
Manufacturing Method Standard
No. of Flutes 2
Point Sharpening Type 135° Split Point
Series Type XGT-UB
Shank Style Straight Shank
Type Extra Length Drill
weight 0.225 lbs

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