ICON DESCRIPTION
APPLICATION INFORMATION
Unified fine thread - UNF ASME B1.1
Tap only for rigid tapping attachment (synchronous)
8-UN thread - ASME B1.1
High recommended cutting speed
Whitworth pipe thread - EN ISO 228
High tool life
Rp thread (BSPP) - DIN EN 10226-1
Conical gas thread Rc (BSPT) taper 1:16 - BS 21 and DIN EN 10226-2
THREAD MILLS
For internal threads
Whitworth thread - BS 84
National pipe thread, taper 1:16 - ASME/ANSI B1.20.1
For external threads
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
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
Die chamfer form: 1,75 x P
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