Page 709 - Iscar
P. 709
USER GUIDE
TAPS
Tap Designation Code Key
TPG UNC 1/4-20 M HE Ti
Tap Style D- TPI B - Bore for Coolant Coating Types*
TPH- Hand Tap D- Pitch (on request) Ni- Nitriding
TPF- Forming Tap Ti- TiN
TPG- Gun Point TC- TiCN
TPS- Spiral Flute TA- TiAlN
TPST- Straight Flute St- Black Oxide
* On request
Thread Standard Tap Color Codes (1) Tap Materials
M- ISO Metric M -Multi-Material Application HS- H.S.S. (M2)
Coars Thread DIN-13 W -Steel with Good HE- H.S.S-E
Machinability 5% Co. HSS (M35)
MF- ISO Metric Rm<750 N/mm2
Fine Thread DIN-13 PM- Compacted Powder
S -Stainless Steel HM- Solid Carbide
UNF- Unfied Fine H -Hardened Steel and High
Thread Temp./Super Alloys
Rm>750 N/mm2
UNC- Unfied Coarse G -Grey Cast Iron
Thread
N -Low Alloy Steel
Rm<600 N/mm2
A -Aluminum and
Aluminum Alloys
F -Any Material with at
least 8~10% Elongation
(1) The tools have a matching
colored ring around the shank
Chamfer Lead According to DIN2197 (specified for each tool family)
A Form A (Chamfer Lead 5-6 Threads)
B Form B (with Gun-Nose and Chamfer Lead 4-5 Threads)
C Form C (Chamfer Lead 2-3 Threads)
D Form D (Chamfer Lead 4-5 Threads)
E Form E (Chamfer Lead 1.5-2 Threads)
705
705
