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Solid Carbide Thread Mills • Blind and Through Holes
Solid Carbide Thread Mills • Blind and Through Holes
Solid Carbide Thread Mills • Blind and Through Holes
Solid Carbide Thread Mills • Blind and Through Holes
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TM721 . Inch . Through Coolant

Solid Carbide Thread Mills • Blind and Through Holes

SAP Material Number 4135778
ISO Catalog Number TM721NC2500-20R2DHA
ANSI Catalog Number TM721NC2500-20R2DHA
Grade KCU32
[TDZ] Thread Diameter Size 1/4-20
[D1] Effective Cutting Diameter 4.7 mm
[D1] Effective Cutting Diameter .185 in
[DCH] Chamfer Diameter 6.65 mm
[DCH] Chamfer Diameter .2618 in
[LTHD] Thread Length 13.36 mm
[LTHD] Thread Length .526 in
[LDCH] Chamfer Length-Tool Front 14.23 mm
[LDCH] Chamfer Length-Tool Front .5602 in
[L] Overall Length 62 mm
[L] Overall Length 2.44 in
[LS] Shank Length 36 mm
[LS] Shank Length 1.417 in
[D] Adapter / Shank / Bore Diameter 8 mm
[D] Adapter / Shank / Bore Diameter .315 in
Number of Effective Cutting Edges on Face 3
See all Product Variants

Uses and application

  • Threading: Through HoleThreading: Through Hole
  • Threading: Blind HoleThreading: Blind Hole
  • Counter Sinking/ Stroke ChamferingCounter Sinking/ Stroke Chamfering
  • Through Coolant: Axial: TappingThrough Coolant: Axial: Tapping
  • HMHM
  • Drilling Depth: 2xDrilling Depth: 2x
  • Manufacturer’s Specs: UNCManufacturer’s Specs: UNC

Workpiece Materials

P Steel
M Stainless Steel
K Cast Iron
N Non-Ferrous
S High-Temp Alloys

Machine Side


Workpiece Side

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