APT - TL345 / 0.750" Shank Steel Type C - Clamp Boring Bar for TPG32_ / Right Hand
APT Tri-LeadIndexable Boring Bar - MODEL : 345

APT - TL345 / 0.750" Shank Steel Type C - Clamp Boring Bar for TPG32_ / Right Hand

Item #: 24-599-345
Brand: APT
Shank Diameter: 0.750"
Use Insert #: TPG32_
Minimum Bore Diameter: 1.0625"

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  • Internal Turning


  • Furnished in (4) lengths: (3) for boring, (1) extra for lathe work
  • Made of tempered alloy steel for proper boring rigidity.
  • Chipbreaker feature of bar breaks chip into small tight rolls.
  • Cartridges are hardened to Rc 60 - 64 and ground to +.0005" accuracy to assure proper seating of cutting insert.
  • Cutting inserts can be indexed or replaced without loss of hole size or depth.
  • Flat sides on bar can be mounted in square lathe turrets or in round holes providing three point suspension for maximum rigidity.
  • All bars complete with (1) CP-0 cartridge, (1) clamp, (1) chipbreaker, (1) cartridge shim and (1) cutting insert.
  • Bars use standard 3/8" I.C. triangular inserts.
Product Specifications
Brand APT
Shank Diameter 0.750"
Use Insert # TPG32_
Minimum Bore Diameter 1.0625"
Style Tri-Lead Indexable Boring Bar
Lead Angle 85°-95°
Hand Right Hand
Accepts TPG32_
Center To Sharp Point 0.6875"
Coolant Use No
Cutting Direction Right Hand
Designation TL345
Distance Across Flats 0.6875"
Distance From Center of Bar To Tip of Insert 0.6875"
Minimum Bore 1-1/16"
Insert Shape & Angle 60° Triangle
Insert IC 3/8"
Internal Cooling NO
Model # TL345
Overall Length 5.500"
Prop. 65 Yes
Tool Material Steel
Weight 1 lb.
Type Tri-Lead Indexable Boring Bar
Prop 65 Warning Many metalworking products do contain metals that are included in the latest Prop 65 warning. Exposure to the elements can be harmful. May cause cancer and reproductive harm.