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1. Tap and die geometry
Hand tap
Tap with straight flutes
Tap with straight flutes and spiral point
Tap with straight flutes with interrupted thread
Tap with straight flutes and spiral point with interrupted thread
Tap with 15° right hand spiral
Tap with 15° left hand spiral
Tap with 40° right hand spiral and 2 flutes
Tap with 40° right hand spiral
Tap with 40° right hand spiral / Left hand cut
Tap with 45° right hand spiral
Forming tap without oil grooves
Forming tap with oil grooves
Through coolant tap with internal axial hole, for blind holes
Through coolant tap with internal axial and radial holes, for through holes
Through coolant tap with internal axial hole, for blind holes
Through coolant forming tap with internal axial hole, for blind holes
Through coolant forming tap with internal axial and radial holes, for through holes
Thread Mills with internal axial coolant
Thread Mills with internal radial coolant
Die
Back tapering
Tap with through shank
Tap with long shank 2. Hole type and depth
Through
Through up to 1 × d₁
Through up to 1,5 × d₁
Through up to 2,5 × d₁
Through up to 3 × d₁
Blind
Blind up to 1,5 × d₁
Blind up to 2 × d₁
Blind up to 2,5 × d₁
Blind up to 3 × d₁
Blind and through
Blind and through up to 1,5 × d₁
Blind and through up to 2 × d₁
Blind and through up to 2,5 × d₁
Blind and through up to 3 × d₁
Tapered hole
Nut 3. Direction of cut
Right hand cut
Left hand cut 4. Type of chip
Short chipping
Medium chipping
Medium to long chipping
Long chipping
Plastic deformation without chip formation 5. Coloured ring
Red ring – Hand taps A100 series 6. Tap and die tolerance
Tolerance 4H / ISO1
Tolerance 6H / ISO2
Tolerance 6G / ISO3
Tolerance 7G
Tolerance 6HX
Tolerance 6GX
Tolerance 7GX
Tolerance 6H + 0,1 mm
Modified 6H Tolerance
Tolerance 3B
Tolerance 2B
Tolerance 2BX
Tolerance ISO 5969
Tolerance ISO 5969X
Medium Tolerance
Tolerance ISO 6g
Tolerance 2A
Tolerance Class A 7. Material
Solid carbide
Conventional high speed steel
Conventional high speed steel
Powder metallurgy high speed steel
High performance powder metallurgy high speed steel
High performance powder metallurgy high speed steel
Undefined
Undefined
Undefined 8. Thread type
ISO Metric corse thread
ISO Metric fine thread
Unified coarse thread UNC ASME – B1.1
Unified fine thread – UNF ASME B1.1
8-UN thread – ASME B1.1
Whitworth pipe thread – EN ISO 228
Rp thread (BSPP) – DIN EN 10226-1
Conical gas thread Rc (BSPT) taper 1:16 – BS 21 and DIN EN 10226-2
Whitworth thread – BS 84
National pipe thread, taper 1:16 – ASME/ANSI B1.20.1
Dryseal National pipe thread, taper 1:16 – ASME/ANSI B1.20.3
ISO Metric coarse thread – DIN 8140-2
ISO thread DIN 13
American Unified Thread ASME B1.1
GAS thread EN ISO 228 9. Thread pitch
Thread pitch 10. Chamfer form
Chamfer form A: 5 – 6 threads for through holes
Chamfer form B: 4 – 5 threads for through holes
Chamfer form C: 2 – 3 threads for blind and through holes
Chamfer form D: 4 – 5 threads for through holes
Chamfer form E: 1,5 – 2 threads for blind holes
Chamfer form F
Die chamfer form: 1,75 x P 11. Application information
Tap only for rigid tapping attachment (synchronous)
High recommended cutting speed
High tool life 12. Thread mills
For internal threads
For external threadsMore info
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