Hand tap
Thread UNF
Unified fine thread
Profile sketch
60°
Type N
Tap for steels up to 800 N/mm2
Tap material
High speed steel HSS
Tap standard
~ DIN 2181
Thread tolerance
2B
Chamfer C
Length 2-3 pitch
Hole type
Through hole (thread length L > 1,5xd1)
Hole type
Blind hole (thread length < 2 d1)
Catalogue number: 0305
Hand tap, unified national fine thread, DIN 2181, suitable for structural steels, plain cast steels, free cutting steels, structural steels and heat-treated steels, grey cast iron, spheroidal and malleable cast iron, aluminium alloys, short chipping copper alloys.
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Use
| Machined material | Hole type | Cutting speed | Lubrication | Use |
|---|---|---|---|---|
| Aluminium alloys si content < 10% | blind hole (thread length L < 2xd1) | 3-5 |
O/E
Lubrication
Cutting Oil/Emulsion
|
Use
Recommended use
|
| Aluminium alloys si content < 10% | through hole (thread length L > 1,5xd1) | 3-5 |
O/E
Lubrication
Cutting Oil/Emulsion
|
Use
Recommended use
|
| Aluminium alloys si content > 10% | through hole (thread length L > 1,5xd1) | 3-5 |
O/E
Lubrication
Cutting Oil/Emulsion
|
Use
Possible use
|
| Aluminium alloys si content > 10% | blind hole (thread length L < 2xd1) | 3-5 |
O/E
Lubrication
Cutting Oil/Emulsion
|
Use
Possible use
|
| Copper alloys (short chipping) | through hole (thread length L > 1,5xd1) | 3-5 |
O/E
Lubrication
Cutting Oil/Emulsion
|
Use
Recommended use
|
| Copper alloys (short chipping) | blind hole (thread length L < 2xd1) | 3-5 |
O/E
Lubrication
Cutting Oil/Emulsion
|
Use
Recommended use
|
| Free cutting steels up to 800 N/mm2 | blind hole (thread length L < 2xd1) | 3-5 |
O/E
Lubrication
Cutting Oil/Emulsion
|
Use
Recommended use
|
| Free cutting steels up to 800 N/mm2 | through hole (thread length L > 1,5xd1) | 3-5 |
O/E
Lubrication
Cutting Oil/Emulsion
|
Use
Recommended use
|
| Grey cast iron | through hole (thread length L > 1,5xd1) | 3-5 |
O/E
Lubrication
Cutting Oil/Emulsion
|
Use
Recommended use
|
| Grey cast iron | blind hole (thread length L < 2xd1) | 3-5 |
O/E
Lubrication
Cutting Oil/Emulsion
|
Use
Recommended use
|
| Plain cast steels up to 500 N/mm2 | through hole (thread length L > 1,5xd1) | 3-5 |
O/E
Lubrication
Cutting Oil/Emulsion
|
Use
Recommended use
|
| Plain cast steels up to 500 N/mm2 | blind hole (thread length L < 2xd1) | 3-5 |
O/E
Lubrication
Cutting Oil/Emulsion
|
Use
Recommended use
|
| Plain cast steels up to 800 N/mm2 | through hole (thread length L > 1,5xd1) | 3-5 |
O/E
Lubrication
Cutting Oil/Emulsion
|
Use
Recommended use
|
| Plain cast steels up to 800 N/mm2 | blind hole (thread length L < 2xd1) | 3-5 |
O/E
Lubrication
Cutting Oil/Emulsion
|
Use
Recommended use
|
| Spheroidal graphite cast iron and malleable cast iron | blind hole (thread length L < 2xd1) | 3-5 |
O/E
Lubrication
Cutting Oil/Emulsion
|
Use
Recommended use
|
| Spheroidal graphite cast iron and malleable cast iron | through hole (thread length L > 1,5xd1) | 3-5 |
O/E
Lubrication
Cutting Oil/Emulsion
|
Use
Recommended use
|
| Structural steels and heat-treated steels up to 800 N/mm2 | blind hole (thread length L < 2xd1) | 3-5 |
O/E
Lubrication
Cutting Oil/Emulsion
|
Use
Recommended use
|
| Structural steels and heat-treated steels up to 800 N/mm2 | through hole (thread length L > 1,5xd1) | 3-5 |
O/E
Lubrication
Cutting Oil/Emulsion
|
Use
Recommended use
|
| Structural steels up to 500 N/mm2 | through hole (thread length L > 1,5xd1) | 3-5 |
O/E
Lubrication
Cutting Oil/Emulsion
|
Use
Recommended use
|
| Structural steels up to 500 N/mm2 | blind hole (thread length L < 2xd1) | 3-5 |
O/E
Lubrication
Cutting Oil/Emulsion
|
Use
Recommended use
|