Description
Universal high-performance blind-hole tap for G parallel pipe threads.
Application
For Whitworth parallel pipe threads DIN ISO 228/1.
Features
HSS-E-PM.
AlTiX coating.
Optimised flute geometry.
Advantages
High process reliability.
Product Data
Product type: Master Tap Blind-Hole Machine Tap G Thread
Article family: 137808
Thread size: G1/2
Thread form: Form E
Tolerance: ISO 2X 6HX
Tool material: HSS-E-PM
Coating / surface: AlTiX
Dimensions
Overall length L: 125 mm
Shank diameter Ds: 16 mm
Square: 12 mm
Recommended tapping-hole diameter: 19 mm
Threads per inch: 14
Thread diameter: 20.96 mm
Cutting Data
Aluminium: 30 m/min
Steel <500 N/mm²: 30 m/min
Steel <750 N/mm²: 25 m/min
Steel <900 N/mm²: 20 m/min
INOX: 10 m/min
Copper alloys: 20 m/min
ISO Code
Aluminium and plastics: N
Aluminium: N
Aluminium cast >10% Si: N
Steel <500 N/mm²: P
Steel <750 N/mm²: P
Steel <900 N/mm²: P
Steel <1100 N/mm²: P
Steel <1400 N/mm²: P
Hardened steel: H
INOX: M
Titanium: S
Cast iron: K
Copper alloys: N
Graphite / GRP / CRP: N
Notes
137807 is the extra-long version for difficult access.