For Forming Tap Metric Coarse Thread (M)

Basic Pitch Dia.

0 20 40 60 80 100 120 140 160

JIS 1 35

JIS 2G3G460
M1 × 0.25
M1.2 × 0.254H45
5HISO1X56
6HISO2X71

JIS 1 45

JIS 2G3G456
M1.1 × 0.254H45
5HISO1X56
6HISO2X71
JIS 2G3G4G560
M1.4 × 0.36HISO2X75
18 6GISO3X93
JIS 2G4G5G685
M1.6 × 0.35
M1.8 × 0.356HISO2X85
19 6GISO3X104
JIS 2G4G5G670
M1.7 × 0.356HISO2X85
19 6GISO3X104
M2 x 0.4JIS 2G4G5G670
M2.3 x 0.4
6HISO2XISO3X90
M2.2 x 0.45JIS 2G5G795
M2.5 x 0.456HISO2XISO3X95
JIS 2G5G780
M2.6 x 0.45
6HISO2XISO3X95
JIS 2G5G6G7100
6HISO2XISO3X100
M3 x 0.5
20 6GD5120
D7
JIS 2G5G6G790 G8
M3.5 x 0.66HISO2X112
21 6G133 ISO3X
JIS 2G6G7118 G8
M4 x 0.76HISO2X118
22 6G140 ISO3X
JIS 2G6G7100 G8
M4.5 x 0.756HISO2X118
22 6G140 ISO3X
JIS 2G6G7125 G8
M5 x 0.86HISO2XISO3X125
24 6G149

180

200

220

SP

(+) μm

240 260 280 300 320 340 360 380 400 420

SL

ISO1X (5HX)Class G for JIS 2 Internal threadsPO
ISO2X (6HX)
ISO3X (6GX)
Internal threads 4HJIS 1 Class Internal threadsST

Internal threads 5H JIS 2 Class Internal threads Internal threads 6H Internal threads 6G ROLL

CARBIDE

LONG

HAND

TAPS

EG (STI)

SPECIAL

THREADS,

GAUGES

THREAD

MILLS

DIES

CENTER

DRILLS