Page 349 - Yamawa_European_Catalogue_YEU21

h stock standard, ) check stock EU, f check stock JP, m stock exhaustion

NPTF Intro

GP General Purpose Series
Straight Fluted Taps for American Dryseal Taper Pipe SP
Threads
FEATURES
General purpose for blind and through hole application.
3P
HSS-E OX For steel application at low cutting speed. SL
THCHT

Recommended Tapping Speeds Depending On Materials
PO
ISO Vc (m/min)
P1 ≤5 H
P2 ≤5 H
P3 ≤5 I ST
P4 ≤5 I
ANSI
H 1st choice I suitable
ROLL

ANSI-NPTF
TYPE: US_055 TYPE: US_056
K K CARBIDE
DCON DCON

LK K LK K
THL THL LONG
LF LF

HAND
TAPS
Basic
NPTF 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
1/16-27 ANSI G 5.95 5.99 Y83125 3P 7.770 2.125 0.687 - 0.31 0.234 0.375 4 055 f EG (STI)
1/8-27 ANSI G 8.3 8.34 Y83126 3P 10.117 2.125 0.75 - 0.44 0.328 0.375 4 055 h
1/4-18 ANSI G 10.7 10.75 Y83128 3P 13.426 2.437 1.062 - 0.56 0.421 0.437 4 055 h
3/8-18 ANSI G 14.1 14.17 Y83129 3P 16.866 2.562 1.062 - 0.7 0.531 0.5 4 055 f SPECIAL
THREADS,
1/2-14 ANSI G 17.4 17.44 Y83130 3P 20.980 3.125 1.375 - 0.69 0.515 0.625 4 056 f GAUGES
3/4-14 ANSI G 22.7 22.75 Y83131 3P 26.325 3.25 1.375 - 0.91 0.679 0.687 5 056 f
1 -11 1/2 ANSI G 28.5 28.6 Y83132 3P 32.934 3.75 1.75 - 1.13 0.843 0.812 5 056 f
THREAD
1 1/4-11 1/2 ANSI G 37.3 37.33 Y83133 3P 41.689 4 1.75 - 1.31 0.984 0.937 5 056 f
MILLS
1 1/2-11 1/2 ANSI G 43.3 43.4 Y83134 3P 47.760 4.25 1.75 - 1.5 1.125 1 6 056 f
2 -11 1/2 ANSI G 55.4 55.41 Y83135 3P 59.797 4.5 1.75 - 1.88 1.406 1.125 6 056 f

DIES

CENTER
DRILLS

Technical
info

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