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Twist Drill Bit Sets

All our twist drill bits are made in the USA and built to perform. Mechanics length bits are shorter to reach into tight spaces and feature a 3-flat shank. Jobber length drill bits are designed to be used in a drill press or milling machine.

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Fein Vario Tap Size Twist Drill Set, 5/16, 3/8, and 1/2 UNC

Fein Vario Tap Size Twist Drill Set, 5/16, 3/8, and 1/2 UNC

NEW
  • Fits Fein Vario adapter
  • Special impact wrench compatible cutting geometry
  • Titanium Aluminum Nitride (TiAlN) coating
  • Includes bits for 5/16-18, 3/8-16, and 1/2-13 taps
Product Details »
Price: $129.95
Fein Vario Twist Drill, #F (5/16 UNC thread)

Fein Vario Twist Drill, #F (5/16 UNC thread)

NEW
  • Fits Fein Vario adapter
  • Special impact wrench compatible cutting geometry
  • Titanium Aluminum Nitride (TiAlN) coating
Product Details »
Price: $41.50
Fein Vario Twist Drill, 5/16 inch (3/8 UNC thread)

Fein Vario Twist Drill, 5/16 inch (3/8 UNC thread)

NEW
  • Fits Fein Vario adapter
  • Special impact wrench compatible cutting geometry
  • Titanium Aluminum Nitride (TiAlN) coating
Product Details »
Price: $46.00
Fein Vario Twist Drill, 27/64 inch (1/2 UNC thread)

Fein Vario Twist Drill, 27/64 inch (1/2 UNC thread)

NEW
  • Fits Fein Vario adapter
  • Special impact wrench compatible cutting geometry
  • Titanium Aluminum Nitride (TiAlN) coating
Product Details »
Price: $49.00
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Sort by:
Fein Vario Tap Size Twist Drill Set, 5/16, 3/8, and 1/2 UNC

Fein Vario Tap Size Twist Drill Set, 5/16, 3/8, and 1/2 UNC

NEW
  • Fits Fein Vario adapter
  • Special impact wrench compatible cutting geometry
  • Titanium Aluminum Nitride (TiAlN) coating
  • Includes bits for 5/16-18, 3/8-16, and 1/2-13 taps
Product Details »
Price: $129.95
Fein Vario Twist Drill, #F (5/16 UNC thread)

Fein Vario Twist Drill, #F (5/16 UNC thread)

NEW
  • Fits Fein Vario adapter
  • Special impact wrench compatible cutting geometry
  • Titanium Aluminum Nitride (TiAlN) coating
Product Details »
Price: $41.50
Fein Vario Twist Drill, 5/16 inch (3/8 UNC thread)

Fein Vario Twist Drill, 5/16 inch (3/8 UNC thread)

NEW
  • Fits Fein Vario adapter
  • Special impact wrench compatible cutting geometry
  • Titanium Aluminum Nitride (TiAlN) coating
Product Details »
Price: $46.00
Fein Vario Twist Drill, 27/64 inch (1/2 UNC thread)

Fein Vario Twist Drill, 27/64 inch (1/2 UNC thread)

NEW
  • Fits Fein Vario adapter
  • Special impact wrench compatible cutting geometry
  • Titanium Aluminum Nitride (TiAlN) coating
Product Details »
Price: $49.00