Page 688 - Yamawa_European_Catalogue_YEU23

17. Taps for Pipe Threads

Intro

Taper pipe thread taps (NPT) G Class
SP

Tc (Max) Tc (Min) Fc (Max)
Fc (Min)
SL

PO
Fr (Max)
Tr (Max) Tr (Min) Fr (Min)

ST
Axis of tap
Taper

ROLL
Unit: mm
Crest Root
Size Tc Fc Tr Fr
CARBIDE Max. Min. Max. Min. Max. Min. Max. Min.
NPT 1/16 - 27 68 32 78 37 80 32 82 37
NPT 1/8 - 27 68 32 78 37 80 32 82 37
NPT 1/4 - 18 92 48 106 56 101 48 116 56
LONG NPT 3/8 - 18 92 48 106 56 101 48 116 56
NPT 1/2 - 14 106 61 122 71 118 61 136 71
NPT 3/4 - 14 106 61 122 71 118 61 136 71
NPT 1 - 11.5 120 74 138 85 134 74 136 85
HAND NPT 1 1/4 - 11.5 120 74 138 85 134 74 154 85
TAPS NPT 1 1/2 - 11.5 120 74 138 85 134 74 154 85
NPT 2 - 11.5 120 74 138 85 134 74 154 85
NPT 2 1/2 - 8 147 105 169 122 173 105 199 122
NPT 3 - 8 147 105 169 122 173 105 199 122
EG (STI)

SPECIAL
THREADS,
GAUGES

THREAD
MILLS

DIES

CENTER
DRILLS

Technical
info

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