Metric Threads (M, MF) Unit: mm

Major Minor Major Minor

Pitch Diameter Pitch Diameter

Kind diameter diameter Kind diameter diameter SP

Size of Class Upper Lower Size of Class Upper Lower

tap Basic Basic Tolerance Basic tap Basic Basic Tolerance Basic

Tolerance Tolerance Tolerance Tolerance

Size Size (μm) Size Size Size (μm) Size

(μm) +(μm) +(μm) +(μm) +
P125 10 15P125 10 15
P240 25 15P240 25 15

M2.2×0.25 2.200 2.038 1.929 SL

ISO118 6 12ISO121 7 14
ISO230 18 12ISO236 21 15

M3×0.35 3.000 2.773 2.621

P125 10 15G5645113
P240 25 15G6766412
P355 40 15ISO2X645113PO

M2.3×0.4 2.300 2.040 1.867

ISO121 7 14ISO3X766412
ISO236 21 15P125 10 15
ISO2X51 36 15P240 25 15
P125 10 15P355 40 15ST
P240 25 15P470 55 15

M2.3×0.25 2.300 2.138 2.029

ISO118 6 12ISO127 9 18
ISO230 18 12ISO245 27 18
P125 10 15ISO2X60 42 18ROLL

M3.5×0.6 3.500 3.110 2.850

P240 25 15ISO363 45 18
P355 40 15G564 51 13
ISO123 8 15G676 64 12
ISO238 23 15G789 76 13

M2.5×0.45 2.500 2.208 2.013 CARBIDE

ISO2X53 38 15G8102 89 13
G564 51 13ISO2X89 76 13
G789 76 13ISO3X102 89 13
ISO2X64 51 13P125 10 15

LONG

ISO3X 89 76 13 P2 40 25 15

M3.5×0.35 3.500 3.273 3.121

P125 10 15ISO121 7 14
P240 25 15ISO236 21 15

M2.5×0.35 2.500 2.273 2.121

ISO1 20 7 13 P1 20 0 20

HAND

ISO2 34 20 14 P2 40 20 20

TAPS

P125 10 15P360 40 20
P240 25 15ISO129 10 19
P355 40 15ISO248 29 19

2.600

ISO1 23 8 15 ISO2X 63 44 19 EG (STI)

M4×0.7 4.000 3.545 3.242

ISO2 38 23 15 ISO3 67 48 19

M2.6×0.45 2.308 2.113

ISO2X53 38 15G676 64 13
G564 51 13G789 76 13

SPECIAL

G7 89 76 13 G8 102 89 13 THREADS,

2.000

ISO2X64 51 13ISO2X89 76 13GAUGES
ISO3X89 76 13ISO3X102 89 13
P125 10 15P125 10 15
P240 25 15P240 25 15THREAD

M2.6×0.35 2.600 2.373 2.221

ISO120 7 13P355 40 15MILLS
ISO234 20 14ISO124 8 16
P125 10 15ISO240 24 16

M4×0.5 4.000 3.675 3.459

P240 25 15ISO356 40 16
P355 40 15G5645113DIES
ISO124 8 16G6766412
ISO240 24 16ISO2X645113
ISO2X55 39 16ISO3X766412

M3×0.5 3.000 2.675 2.459 CENTER

ISO3 56 40 16

DRILLS

G5 64 51 13 G6 76 64 12 G7 89 76 13