STS Solid Drilling Tools - UNITAC Deep Hole Drilling Tools -

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Direct Mount Drill Head

Outer Thread

Style		Dia. Dc(mm)	Tolerance	Surface roughness Ra	Feature/Use
TRI-FINE		16.00 - 28.00	IT10	3μm	Long tool life due to 3-cornered insert No diameter setting necessary.
FINE BEAM		25.00 - 89.00	IT10	3μm	No diameter setting necessary. High accuracy hole drilling with H class insert.

Inner Thread

Style		Dia. Dc(mm)	Tolerance	Surface roughness Ra	Feature/Use
TRI-FINE		16.00 - 28.00	IT10	3μm	No diameter setting necessary. High accuracy hole drilling with H class insert.
FINE BEAM		25.00 - 89.00	IT10	3μm	No diameter setting necessary. High accuracy hole drilling with H class insert.

Indexable Drill Head

Outer Thread

Style		Dia. Dc(mm)	Tolerance	Surface roughness Ra	Feature/Use
UNIDEX		38.00 - 500.00	IT10	3μm	Cartridge type - Diameter finely adjustable Multiple options to cover various cutting condition. Drill diameter can be enlarged up to 5mm with plus (+) spare parts depending on peripheral cartridge size.

Inner Thread

Style		Dia. Dc(mm)	Tolerance	Surface roughness Ra	Feature/Use
UNIDEX		38.00 - 500.00	IT10	3μm	Cartridge type - Diameter finely adjustable Multiple options to cover various cutting condition. Drill diameter can be enlarged up to 5mm with plus (+) spare parts depending on peripheral cartridge size.

Brazed Drill Head

Outer Thread

Style		Dia. Dc(mm)	Tolerance	Surface roughness Ra	Feature/Use
MBU		8.00 - 14.79	IT9	2μm	Higher productivity and better surface finish than gundrill. Good chip breaking with 3 step cutting edge design.
UTE		12.60 - 20.00	IT9	2μm	Higher productivity and better surface finish than gundrill. Good chip breaking with 3 step cutting edge design. First recommendation for dia. ø12.60 - 15.59.
BTU		12.60 - 65.00	IT9	2μm	First recommendation for dia. ø15.60 or more. Good chip breaking with 3 cutting edges. (ø12.60 - 15.59mm has 2 cutting edges) Covers all materials with various carbide grade combinations.