Metric Thread Gage Member Lengths

(Sizes M1.6 Through M39)

NOTE: These are standard lengths for most gages with the nominal sizes shown- some size/pitch combinations have longer standard members - if you need longer member lengths, contact us for more information

Thread Size
Taperlock
Reversible
Ring
Setting Plug
GO
NO GO
GO
NO GO
GO
NO GO
GO
NO GO
M1.6

M1.8

M2.0

6.4mm
4.8mm
17.5mm
17.5mm
6.4mm
6.4mm
9.5mm
9.5mm
M2.2

M2.5

6.4mm
4.8mm
20.6mm
20.6mm
6.4mm
6.4mm
9.5mm
9.5mm
M3.0

M3.5

5.6mm
5.6mm
20.6mm
20.6mm
6.4mm
6.4mm
9.5mm
9.5mm
M4.0

M4.5

7.1mm
5.6mm
22.2mm
22.2mm
6.4mm
6.4mm
10.3mm
10.3mm
M5.0

M5.5

7.1mm
5.6mm
19.0mm
19.0mm
6.4mm
6.4mm
10.3mm
10.3mm
M6.0
12.7mm
7.9mm
25.4mm
25.4mm
8.7mm
8.7mm
19.0mm
19.0mm
M7.0

M8.0

M9.0

12.7mm
7.9mm
31.8mm
31.8mm
8.7mm
8.7mm
19.0mm
19.0mm
M10.0

M11.0

M12.0

19.0mm
9.5mm
44.5mm
44.5mm
11.1mm
11.1mm
25.4mm
25.4mm
M14.0

M15.0

M16.0

M17.0

M18.0

M20.0

22.2mm
12.7mm
44.5mm
44.5mm
14.3mm
14.3mm
31.8mm
31.8mm
M22.0

M24.0

M25.0

M26.0

M27.0

M28.0

25.4mm
15.9mm
- - -
- - -
17.5mm
17.5mm
38.1mm
38.1mm
M30.0

M32.0

M33.0

M35.0

M36.0

M38.0

25.4mm
19.0mm
- - -
- - -
19.0mm
19.0mm
41.3mm
41.3mm
M39.0
31.8mm
22.2mm
- - -
- - -
20.6mm
20.6mm
47.6mm
47.6mm
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