Machine tap with straight flutes



Thread G
Whitworth pipe straight thread

Profile sketch
55°

Thread standard
DIN ISO 228

Type N
Tap for steels up to 800 N/mm2

Tap material
Super high speed steel

Coating
Titanium nitride coating

Tap standard
DIN 5156

Chamfer C
Length 2-3 pitch

Hole type
Through hole (thread length L < 1,5xd1)

Hole type
Blind hole (thread length < 1,5 d1, pilot drilling depth ≥ L+d1)
Catalogue number: 3012
Machine tap with straight flutes, british standard pipe thread, DIN 5156, TiN coated, suitable for structural steels, free cutting steels, short chipping copper alloys, grey cast iron, aluminium alloys with Si>10%.
Download product data sheetSelect product model
Use
Machined material | Hole type | Cutting speed | Lubrication | Use |
---|---|---|---|---|
Aluminium alloys si content > 10% | through hole (thread length L < 1,5xd1) | 14-20 |
E
Lubrication
Emulsion
|
![]() Use
Recommended use
|
Copper alloys (short chipping) | through hole (thread length L < 1,5xd1) | 15-25 |
O/E
Lubrication
Cutting Oil/Emulsion
|
![]() Use
Recommended use
|
Copper alloys (short chipping) | blind hole (thread length < 1,5 d1, pilot drilling depth ≥ L+d1) | 15-25 |
O/E
Lubrication
Cutting Oil/Emulsion
|
![]() Use
Recommended use
|
Free cutting steels up to 800 N/mm2 | through hole (thread length L < 1,5xd1) | 10-14 |
O/E
Lubrication
Cutting Oil/Emulsion
|
![]() Use
Possible use
|
Free cutting steels up to 800 N/mm2 | blind hole (thread length < 1,5 d1, pilot drilling depth ≥ L+d1) | 10-14 |
O/E
Lubrication
Cutting Oil/Emulsion
|
![]() Use
Possible use
|
Grey cast iron | blind hole (thread length L < 2,5xd1) | 8-12 |
E
Lubrication
Emulsion
|
![]() Use
Possible use
|
Grey cast iron | through hole (thread length L > 1,5xd1) | 8-12 |
E
Lubrication
Emulsion
|
![]() Use
Possible use
|
Grey cast iron | blind hole (thread length L < 1,5xd1) | 8-12 |
E
Lubrication
Emulsion
|
![]() Use
Possible use
|
Grey cast iron | through hole (thread length L < 1,5xd1) | 8-12 |
E
Lubrication
Emulsion
|
![]() Use
Possible use
|
Grey cast iron | blind hole (thread length L < 2xd1) | 8-12 |
E
Lubrication
Emulsion
|
![]() Use
Possible use
|
Grey cast iron | blind hole (thread length < 1,5 d1, pilot drilling depth ≥ L+d1) | 8-12 |
E
Lubrication
Emulsion
|
![]() Use
Possible use
|
Structural steels up to 500 N/mm2 | through hole (thread length L < 1,5xd1) | 5-8 |
O/E
Lubrication
Cutting Oil/Emulsion
|
![]() Use
Possible use
|
Structural steels up to 500 N/mm2 | blind hole (thread length < 1,5 d1, pilot drilling depth ≥ L+d1) | 5-8 |
O/E
Lubrication
Cutting Oil/Emulsion
|
![]() Use
Possible use
|