HIGH SPEED STEEL BORING BARS SETS

HIGH SPEED STEEL BORING BARS SETS

SKU: 251

- Made from high speed steel
- Also available in high carbon steel
- Available in sets of three pieces including
bottoming, medium and taper pitches
- Completely hardened and ground
- Threads are ground in high speed steel taps
- Available individually
- Packed in sturdy plastic boxes

Cat. No. Shank Dia Overall Length Minimum Bore Maximum Bore
  inch inch inch inch
CH251001A 1/4” 1-7/8” 5/32” 5/16”
  1/4” 2 5/32” 7/16”
  1/4” 2-3/16” 3/16” 5/8”
  1/4” 2-9/32” 3/16” 11/16”
  1/4” 2-3/8” 3/16” 3/4”
  1/4” 2-9/16” 1/4” 1”
  1/4” 2-7/8” 1/4” 1-5/16”
  1/4” 3-1/4” 1/4”

1-5/8”

 

Cat. No. Shank Dia Overall Length Minimum Bore Maximum Bore
  inch inch inch inch
CH251001B 5/16” 1-7/8” 1/4” 5/16”
  5/16” 2 1/4” 7/16”
  5/16” 2-3/16” 9/32” 5/8”
  5/16” 2-9/32” 9/32” 11/16”
  5/16” 2-3/8” 9/32” 3/4”
  5/16” 2-9/16” 9/32” 1”
  5/16” 2-7/8” 5/16” 1-5/16”
  5/16” 3-1/4” 5/16” 1-5/8”

 

Cat. No. Shank Dia Overall Length Minimum Bore Maximum Bore
  inch inch inch inch
CH251001 C 3/8” 1-13/16” 1/4” 9/16”
  3/8” 2-3/16” 1/4” 15/16”
  3/8” 2 9/32” 3/4”
  3/8” 2-1/2” 9/32” 1-1/4”
  3/8” 2-3/16” 9/32” 15/16”
  3/8” 2-13/16” 9/32” 1-9/16”
  3/8” 2-3/8” 5/16” 1-1/8”
  3/8” 3-3/16” 5/16” 1-7/8”

 

Cat. No. Shank Dia Overall Length Minimum Bore Maximum Bore
  inch inch inch inch
CH251001 D 1/2” 2-1/8” 1/4” 3/4”
  1/2” 2-5/8” 1/4” 1-1/4”
  1/2” 2-5/16” 5/16” 15/16”
  1/2” 2-15/16” 5/16” 1-9/16”
  1/2” 2-1/2” 3/8” 1-1/8”
  1/2” 3-1/4” 3/8” 1-7/8”
  1/2” 2-11/16” 7/16” 1-5/16”
  1/2” 3-9/16” 7/16” 2-3/16”
  1/2” 2-7/8” 1/2” 1-1/2”
  1/2" 3-7/8” 1/2” 2-1/2”

 

Cat. No. Shank Dia Overall Length Minimum Bore Maximum Bore
  Inch Inch Inch Inch
CH251001 E 3/4” 2-7/8” 3/8” 1-1/8”
  3/4” 3-5/8” 3/8” 1-7/8”
  3/4” 3-1/16” 7/16” 1-5/16”
  3/4” 3-15/16” 7/16” 2-3/16”
  3/4” 3-1/4” 1/2” 1-1/2”
  3/4” 4-1/4” 1/2” 2-1/2”
  3/4” 3-7/16” 9/16” 1-11/16”
  3/4” 4-9/16” 9/16” 2-13/16”
  3/4” 3-5/8” 5/8” 1-7/8”
  3/4” 4-7/8” 5/8” 3-1/8”
  3/4” 3-13/16” 11/16” 2-1/16”
  3/4” 5-3/16” 11/16” 3-7/16”
  3/4” 4 3/4” 2-1/4”
  3/4” 5-1/2” 3/4” 3-3/4”