Thread Plug Gauge SPM Series
For Checking an Internal Thread Hole Steel and metric threads.
Eisen Thread Plug Gauge SPM Series for Checking an Internal Thread Hole Steel and metric threads by MSP Metrology (M) Sdn Bhd from Eisen Japan
For Checking an Internal Thread Hole Steel and metric threads.
Notation Example
Thread Plug Gauge SPM Series details and notation information.
Table for metric Threads size and Pitches
| Nominal Designation of Threads | Coarse Pitch | Fine Pitch | |||
| M1 | 0.25 | 0.2 | |||
| M1.1 | *0.25 | *0.2 | |||
| M1.2 | 0.25 | 0.2 | |||
| M1.4 | 0.3 | 0.2 | |||
| M1.6 | *0.35 | *0.2 | |||
| M1.7 | ∇0.35 | Δ0.2 | |||
| M1.8 | *0.35 | *0.2 | |||
| M2 | 0.4 | 0.25 | |||
| M2.2 | *0.45 | *0.25 | |||
| M2.3 | ∇0.4 | Δ0.25 | |||
| M2.5 | *0.45 | *0.35 | |||
| M2.6 | ∇0.45 | Δ0.35 | |||
| M3 | *0.5 | ||||
| M3 | Δ0.6 | 0.35 | |||
| M3.3 | 0.6 | 0.35 | |||
| M4 | *0.7 | ||||
| M4 | Δ0.75 | 0.5 | |||
| M4.5 | 0.75 | 0.5 | |||
| M5 | *0.8 | ||||
| M5 | Δ0.9 | 0.5 | |||
| M5.5 | Δ0.9 | 0.5 | |||
| M6 | 1 | 0.75 | Δ0.5 | ||
| M7 | 1 | 0.75 | Δ0.5 | ||
| M8 | 1.25 | 1 | 0.75 | ||
| M9 | 1.25 | 1 | 0.75 | ||
| M10 | 1.5 | 1.25 | 1 | *0.75 | Δ0.5 |
| M11 | *1.5 | Δ1.25 | 1 | *0.75 | Δ0.5 |
| M12 | 1.75 | 1.5 | *1.25 | 1 | Δ0.5 |
| M13 | Δ1.5 | Δ1 | Δ0.5 | ||
| M14 | 2 | 1.5 | *1.25 | 1 | Δ0.5 |
| M15 | 1.5 | 1 | Δ0.5 | ||
| M16 | 2 | 1.5 | 1 | Δ0.5 | |
| M17 | *1.5 | *1 | |||
| M18 | 2.5 | 2 | 1.5 | 1 | Δ0.5 |
| M20 | 2.5 | 2 | 1.5 | 1 | Δ0.5 |
| M22 | 2.5 | 2 | 1.5 | 1 | Δ0.5 |
| M24 | 3 | 2 | 1.5 | 1 | Δ0.5 |
| M25 | 2 | 1.5 | 1 | Δ0.5 | |
| M26 | Δ2 | 1.5 | Δ1 | Δ0.5 | |
| Nominal Designation of Threads | Coarse Pitch | Fine Pitch | ||||
| M27 | 3 | *2 | 1.5 | *1 | ||
| M28 | 2 | 1.5 | 1 | Δ0.5 | ||
| M30 | 3.5 | *3 | 2 | 1.5 | 1 | Δ0.5 |
| M32 | 2 | 1.5 | Δ1 | Δ0.5 | ||
| M33 | 3.5 | *3 | *2 | 1.5 | ||
| M34 | Δ2 | Δ1.5 | Δ1 | Δ0.5 | ||
| M35 | 1.5 | |||||
| M36 | 4 | *3 | 2 | 1.5 | Δ1 | Δ0.5 |
| M38 | Δ2 | 1.5 | Δ1 | Δ0.5 | ||
| M39 | 4 | *3 | *2 | *1.5 | ||
| M40 | *3 | 2 | 1.5 | Δ1 | ||
| M42 | 4.5 | *4 | *3 | 2 | 1.5 | Δ1 |
| M45 | 4.5 | *4 | *3 | 2 | 1.5 | Δ1 |
| M48 | 5 | *4 | *3 | 2 | 1.5 | Δ1 |
| M50 | *3 | 2 | 1.5 | Δ1 | ||
| M52 | *5 | *4 | *3 | 2 | 1.5 | |
| M55 | *4 | *3 | 2 | 1.5 | ||
| M56 | *5.5 | *4 | *3 | *2 | *1.5 | |
| M58 | *4 | *3 | 2 | 1.5 | ||
| M60 | *5.5 | *4 | *3 | 2 | 1.5 | |
| M62 | *4 | *3 | 2 | 1.5 | ||
| M64 | *6 | *4 | *3 | *2 | *1.5 | |
| M65 | *4 | *3 | 2 | 1.5 | ||
| M68 | *6 | *4 | *3 | 2 | 1.5 | |
| M70 | *6 | *4 | *3 | 2 | 1.5 | |
| M72 | *6 | *4 | *3 | 2 | 1.5 | |
| M75 | *4 | *3 | 2 | 1.5 | ||
| M76 | *6 | *4 | *3 | *2 | *1.5 | |
| M78 | 2 | Δ1.5 | ||||
| M80 | *6 | *4 | *3 | 2 | 1.5 | |
| M82 | 2 | Δ1.5 | ||||
| M85 | *6 | *4 | *3 | 2 | Δ1.5 | |
| M88 | Δ2 | Δ1.5 | ||||
| M90 | *6 | *4 | *3 | 2 | Δ1.5 | |
| M92 | Δ2 | Δ1.5 | ||||
| M95 | *6 | *4 | *3 | 2 | Δ1.5 | |
| M98 | Δ2 | Δ1.5 | ||||
| M100 | *6 | *4 | *3 | 2 | Δ1.5 | |
Note:
*: Values adopted from ISO
Δ: Values disused in March 1968 (Old JIS)
∇: Values disused in June 1997 (Old JIS)
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