Каталог Iscar высокоточные развертки и метчики 2022 - страница 38

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Tap Designation Code Key

TPGUNC1/4-20MHETi
B - Bore Coating
Tap Style
for CoolantTypes*
TPH - Hand TapD- TPI(on request) Ni - Nitriding
TPF - Forming TapD- PitchTi - TiN
TPG - Gun PointTC - TiCN
TPS - Spiral FluteTA - TiAlN
TPST - Straight FluteSt - Black Oxide
* On request

Thread Standard Tap Color Codes(1) Tap Materials

M- ISO MetricM - Multi-Material ApplicationHS - H.S.S. (M2)
Coars Thread
DIN-13
MF - ISO MetricW - Steel with Good MachinabilityHE - H.S.S- E 5% Co.
Fine ThreadRm<750 N/mm2HSS (M35)
DIN-13
UNF - Unfied FineS- Stainless SteelPM - Compacted Powder
Thread
UNC - Unfied CoarseH- Hardened Steel and High Temp./HM - Solid Carbide

Thread Super Alloys Rm>750 N/mm2 G - Grey Cast Iron 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)

AForm A (Chamfer Lead 5-6 Threads)
BForm B (with Gun-Nose and Chamfer Lead 4-5 Threads)
CForm C (Chamfer Lead 2-3 Threads)
DForm D (Chamfer Lead 4-5 Threads)
EForm E (Chamfer Lead 1.5-2 Threads)