Page 350 - Yamawa_European_Catalogue_YEU21

Straight Fluted Taps

NPS
Intro

GP General Purpose Series
SP Straight Fluted Taps for American Parallel Pipe Threads

FEATURES
General purpose for blind and through hole application.
4P
SL HSS-E OX For steel application at low cutting speed.
THCHT

Recommended Tapping Speeds Depending On Materials
PO
ISO Vc (m/min)
P1 5÷10 I
P2 5÷10 H
ST P3 ≤5 I
P4 ≤5 I
ANSI
H 1st choice I suitable
ROLL

ANSI-NPS
TYPE: US_057 TYPE: US_058
CARBIDE
K K
DCON DCON

LONG THL LK K THL LK K
LF LF

HAND
TAPS
Basic
Bored Hole Ø (mm)
TCTR
LS
THL
K
LK
LF
NPS (tolerance) NSPM NSPC Code THCHT major Ø ( inch ) ( inch ) ( inch ) DCON ( inch ) ( inch ) NOF Type Stock
(chamfer)
( inch )
(mm)
ANSI
EG (STI) ANSI G 9.21 8.86 Y83301 4P 10.117 2.125 0.75 - 0.44 0.328 0.375 4 057 f
1/8-27
ANSI G 9.21 8.86 Y83302 4P 10.117 2.125 0.75 - 0.31 0.234 0.375 4 058 f
1/4-18 ANSI G 12.13 11.53 Y83303 4P 13.426 2.437 1.062 - 0.56 0.421 0.437 4 057 f
SPECIAL 3/8-18 ANSI G 15.49 14.98 Y83304 4P 16.866 2.562 1.062 - 0.7 0.531 0.5 4 057 f
THREADS,
GAUGES 1/2-14 ANSI G 19.2 18.52 Y83305 4P 20.980 3.125 1.375 - 0.69 0.515 0.625 4 058 f
3/4-14 ANSI G 24.6 23.88 Y83306 4P 26.325 3.25 1.375 - 0.91 0.679 0.687 5 058 f
1 -11 1/2 ANSI G 30.7 29.93 Y83307 4P 32.934 3.75 1.75 - 1.13 0.843 0.812 5 058 f
THREAD
MILLS
DIES

CENTER
DRILLS

Technical
info

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