Page 186 - Yamawa_European_Catalogue_YEU21

Spiral Fluted Taps

ZELX SS NPT
Intro

MS Material Specifi c Series
SP Taps for American Taper Pipe Threads, for stainless steel

ANSI
FEATURES
Material specifi c for blind hole application.
2.5P
SL HSS-E OX Most suitable for stainless steel, steel and alloy steel.
THCHT OX treatment reduces welding troubles.

Recommended Tapping Speeds Depending On Materials
PO
ISO Vc (m/min) ISO Vc (m/min)
P2 ≤5 H M1 ≤5 H
P3 ≤5 H M2 ≤5 H
ST P4 ≤5 I
P7 ≤5 H
H 1st choice I suitable
ROLL

ANSI-ZELX SS NPT
TYPE: US_055 TYPE: US_056
CARBIDE K K
DCON DCON

LK K LK
LONG THL THL K
LF LF

HAND
TAPS Basic
NPT TCTR Ø Hole Ø Code THCHT major Ø LF THL LS DCON K LK NOF Type Stock
(tolerance) (mm) (mm) (chamfer) ( inch ) ( inch ) ( inch ) ( inch ) ( inch ) ( inch )
(mm)
ANSI
EG (STI) 1/16-27 ANSI G 6 6.05 Y83640 2.5P 7.770 2.125 0.687 - 0.31 0.234 0.375 4 055 f
ANSI G 8.35 8.39 Y83641 2.5P 10.117 2.125 0.75 - 0.44 0.328 0.375 4 055 h
1/8-27
ANSI G 8.35 8.39 Y83642 2.5P 10.117 2.125 0.75 - 0.31 0.234 0.375 4 056 f
SPECIAL 1/4-18 ANSI G 10.8 10.85 Y83643 2.5P 13.426 2.437 1.062 - 0.56 0.421 0.437 4 055 h
THREADS, 3/8-18 ANSI G 14.25 14.27 Y83644 2.5P 16.866 2.562 1.062 - 0.7 0.531 0.5 4 055 h
GAUGES
1/2-14 ANSI G 17.5 17.6 Y83645 2.5P 20.980 3.125 1.375 - 0.69 0.515 0.625 4 056 h
3/4-14 ANSI G 22.9 22.91 Y83646 2.5P 26.325 3.25 1.375 - 0.91 0.679 0.687 4 056 h
THREAD 1 -11 1/2 ANSI G 28.75 28.78 Y83647 2.5P 32.934 3.75 1.75 - 1.13 0.843 0.812 4 056 f
MILLS

DIES

CENTER
DRILLS

Technical
info

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