Page 694 - Yamawa_European_Catalogue_YEU21

16. Carbide Taps

Intro

Toughness and Hardness of Cemented Carbide and HSS Chamfer wear and number of holes of Carbide taps and HSS taps
SP

(mm)
Deflective Strength
(MPa) (HRA) CUTTING CONDITION
Hardness
SL Tap: M5×0.8 ISO2X(6HX)
Chamfer: 3 pitches

Machine: multi spindles
Hole Size: Ø 4.2mm
Thread Length: 10mm through

PO HSS taps Fluid: water soluble
Workpiece: GG25
Deflective Strength Indicator drop chamfer wear Carbide taps

ST Hardness

ROLL

CARBIDE
P50 UF · AU F · B SKHS1 SKH58
(SKH9) (AISI M7)
Number of holes
Cemented Carbide HSS
LONG

Size
HAND M 2 x 0.4 M 8 x 1.25 M 6 x 1 M 8 x 1.25 M 10 x 1.25
TAPS Features
Material Plastic with glass fi bre AlSi9Cu3(Fe) GG25 GG25 GG25
Workpiece
Part’s name Electric Parts Car Parts Electric Parts Car Parts Car Parts
Tapping hole Ø 1.6 Through Ø 6.7 Blind Ø 5.0 Blind Ø 6.7 Blind Ø 8.7 Blind
EG (STI) Thread condition
condition
Tapping length 4 mm 18 mm 10 mm 16mm 18 mm
Machine Special Machine Special Machine 4 spindle Machine Multi Spindle Machine Special Machine
Condition Cutting speed 6.3 m/min 8.5 m/min 8 m/min 6 m/min 5.7 m/min
SPECIAL of use Fluid Dry Water soluble Water soluble Water soluble Water soluble
THREADS,
GAUGES Carbide tap 10.000 75.400 53.000 18.860 38.500
Number HSS tap 200 1.000 1.000 300 500
of holes
Comparison
of life 50 75.4 53 62.9 77
THREAD
Note: In all situations, HSS taps being used are standard ones.
MILLS Carbide taps, when used properly, bring out a long tool life.
These data have come from end users of carbide taps.

DIES

CENTER
DRILLS

Technical
info

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