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1/4" Square BL Carbide Toolbit- Grade 370 for steel - Made in USA

Model #: CTB-BL4-370

1/4" Square BL Carbide Toolbit- Grade 370 for steel - Made in USA

Price: $7.50

  • Shank Size: 1/4" Square x 2 1/4"
  • Grade: 370
  • Shape: BL (for left hand cuts with a 15 degree lead angle)
  • Grade 370 is for cutting steel.
  • Made in USA.

Guide to brazed tool bit shapes:
AR cuts right hand to a square shoulder.
AL cuts left hand to a square shoulder.
BR cuts right hand with a 15 degree lead angle.
BL cuts left hand with a 15 degree lead angle.
C is square nose for chamfering, facing, and turning.
D has 80 degree point for undercutting, ID and Outside Diameter chamfering.
E has 60 degree point for threading.

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