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EG STI Taps
ZELX NI SP STI
Intro
MS Material Specifi c Series
SP Spiral Fluted Taps for Nickel Base Alloys, for Helical Coil Wire
Screw Thread Inserts
FEATURES
Material specifi c for blind hole application.
3P 1.5P
SL HSS-P NX Specifi c design and NX treatment allow high performance
SYNCHRO THCHT THCHT on Nickel base alloys.
Also suitable for stainless steel and high alloy steel.
Recommended Tapping Speeds Depending On Materials
PO
ISO Vc (m/min) ISO Vc (m/min) ISO Vc (m/min)
P1 5÷15 I M1 5÷15 H S1 5÷10 H
P2 5÷15 I M2 5÷15 H S2 5÷10 H
ST P3 5÷15 H M3 4÷8 H
P4 5÷15 H
P5 5÷10 I
P7 5÷15 H
ROLL
P8 4÷8 H
ANSI-ZELX NI SP STI
H 1st choice I suitable
TYPE: US_002 TYPE: US_014
CARBIDE K K
DCON DCON
THL LK THL LK K
LONG LU K
LF
LF
HAND
TAPS
TCTR
LS
K
LK
LF
THL
LU
EG(STI) UNC (tolerance) (mm) Ø Hole Ø Code THCHT ( inch ) ( inch ) ( inch ) ( inch ) DCON ( inch ) ( inch ) NOF Type Stock
( inch )
(mm)
(chamfer)
ANSI
EG (STI) STI No.2-56UNC GH2 2.35 2.4 Y87400 3P 1.875 0.236 0.562 - 0.14 0.11 0.187 3 002 f
ANSI GH1 3.1 3.13 Y87403 3P 2 0.276 0.687 - 0.14 0.11 0.187 3 002 f
GH2 3.1 3.13 Y87404 3P 2 0.276 0.687 - 0.14 0.11 0.187 3 002 f
SPECIAL STI No.4-40UNC GH2 3.1 3.13 Y87004 1.5P 2 0.276 0.687 - 0.14 0.11 0.187 3 002 f
THREADS,
GAUGES GH3 3.1 3.13 Y87420 3P 2 0.276 0.687 - 0.14 0.11 0.187 3 002 f
GH3 3.1 3.13 Y87419 1.5P 2 0.276 0.687 - 0.14 0.11 0.187 3 002 f
GH2 3.8 3.83 Y87408 3P 2.375 0.354 0.875 - 0.19 0.152 0.25 3 002 f
THREAD GH2 3.8 3.83 Y87008 1.5P 2.375 0.354 0.875 - 0.19 0.152 0.25 3 002 f
MILLS
STI No.6-32UNC GH3 3.8 3.83 Y87424 3P 2.375 0.354 0.875 - 0.19 0.152 0.25 3 002 f
GH3 3.8 3.83 Y87425 1.5P 2.375 0.354 0.875 - 0.19 0.152 0.25 3 002 f
GH5 3.8 3.83 Y87042 1.5P 2.375 0.354 0.875 - 0.19 0.152 0.25 3 002 f
DIES GH1 4.4 4.48 Y81409 3P 2.375 0.354 0.937 - 0.22 0.165 0.281 3 002 f
GH2 4.4 4.48 Y87410 3P 2.375 0.354 0.937 - 0.22 0.165 0.281 3 002 f
STI No.8-32UNC
GH3 4.4 4.48 Y87426 3P 2.375 0.354 0.937 - 0.22 0.165 0.281 3 002 f
CENTER GH2 4.4 4.48 Y87026 1.5P 2.375 0.354 0.937 - 0.22 0.165 0.281 3 002 f
DRILLS
Technical
info
532
