Page 520 - Yamawa_European_Catalogue_YEU23

EG STI Taps

ZELX NI SP STI
Intro

MS Material Specific Series
SP
Spiral Fluted Taps for Nickel Base Alloys, for Helical Coil Wire
Screw Thread Inserts
FEATURES
Material specific for blind hole application.
3P 1.5P
SL HSS-P NX Specific 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 , M1 5÷15 + S1 5÷10 +
P2 5÷15 , M2 5÷15 + S2 5÷10 +
ST P3 5÷15 + M3 4÷8 +
P4 5÷15 +
P5 5÷10 ,
P7 5÷15 +
ROLL
P8 4÷8 +
ANSI-ZELX NI SP STI
+ 1st choice , 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 Ø Hole Ø THCHT LF THL LU LS DCON K LK
(tolerance) (mm) (mm) (chamfer) (inch) (inch) (inch) (inch) (inch) (inch) (inch)
EG(STI) UNC Code NOF Type Stock
ANSI
EG (STI) GH2 2.35 2.4 Y87400 3P 1.875 0.236 0.562 - 0.141 0.11 0.187 3 002 f
STI No.2-56UNC
ANSI GH1 3.1 3.13 Y87403 3P 2 0.276 0.687 - 0.141 0.11 0.187 3 002 f
GH2 3.1 3.13 Y87404 3P 2 0.276 0.687 - 0.141 0.11 0.187 3 002 f
SPECIAL GH2 3.1 3.13 Y87004 1.5P 2 0.276 0.687 - 0.141 0.11 0.187 3 002 f
THREADS, STI No.4-40UNC
GAUGES GH3 3.1 3.13 Y87420 3P 2 0.276 0.687 - 0.141 0.11 0.187 3 002 f
GH3 3.1 3.13 Y87419 1.5P 2 0.276 0.687 - 0.141 0.11 0.187 3 002 f
GH2 3.8 3.83 Y87408 3P 2.375 0.354 0.875 - 0.194 0.152 0.25 3 002 f
THREAD GH2 3.8 3.83 Y87008 1.5P 2.375 0.354 0.875 - 0.194 0.152 0.25 3 002 f
MILLS
GH3 3.8 3.83 Y87424 3P 2.375 0.354 0.875 - 0.194 0.152 0.25 3 002 f
STI No.6-32UNC
GH3 3.8 3.83 Y87425 1.5P 2.375 0.354 0.875 - 0.194 0.152 0.25 3 002 f
GH5 3.8 3.83 Y87042 1.5P 2.375 0.354 0.875 - 0.194 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

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