Page 331 - Yamawa_European_Catalogue_YEU21

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

PF LH Intro

GP General Purpose Series
Straight Fluted Taps for Parallel Pipe Threads, for Left Hand SP
Threads
FEATURES
General purpose for blind and through hole application.
LH 3.5P
HSS-E For steel application at low cutting speed, also suitable for SL
THCHT cast iron and non-ferrous materials.
LEFT HAND
For left hand threads.
Recommended Tapping Speeds Depending On Materials
PO
ISO Vc (m/min) ISO Vc (m/min) ISO Vc (m/min)
P1 5÷10 I K1 5÷10 I N2 5÷10 I
P2 5÷10 H K2 5÷10 I N3 5÷10 I
P3 5÷10 I N4 5÷10 I ST
P4 5÷10 I
JIS
H 1st choice I suitable
ROLL

JIS-PF LH
TYPE: Pipe_046
CARBIDE
K
DCON

THL LK K LONG
LF

HAND
TAPS
Basic
G(BSP) TCTR Ø Hole Ø Code THCHT major Ø LF THL LS DCON K LK NOF Type Stock
(chamfer)
(tolerance)
(mm)
(mm)
(mm) ( mm ) ( mm ) ( mm ) ( mm ) ( mm ) ( mm )
JIS
1/8-28 II 8.75 8.78 TH2F02K--L 3.5P 9.728 55 19 - 8 6 9 4 046 f EG (STI)
1/4-19 II 11.75 11.78 TH2F04---L 3.5P 13.157 62 28 - 11 9 12 4 046 f
3/8-19 II 15.25 15.28 TH2F06---L 3.5P 16.662 65 28 - 14 11 14 4 046 f
1/2-14 II 19 19.04 TH2F08Q--L 3.5P 20.955 80 35 - 18 14 17 4 046 f SPECIAL
THREADS,
3/4-14 II 24.5 24.52 TH2F12Q--L 3.5P 26.441 85 35 - 23 17 20 4 046 f GAUGES
1 -11 II 30.75 30.77 TH2F16U--L 3.5P 33.249 95 45 - 26 21 24 4 046 f
1 1/4-11 II 39.3 39.43 TH2F20U--L 3.5P 41.910 105 45 - 32 26 30 4 046 f
THREAD
1 1/2-11 II 45.25 45.33 TH2F24U--L 3.5P 47.803 110 45 - 38 29 32 6 046 f
MILLS
2 -11 II 57 57.1 TH2F32U--L 3.5P 59.614 120 50 - 46 35 38 6 046 f

DIES

CENTER
DRILLS

Technical
info

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