Measuring equipment and testing machine

NAKASEIKI

🔩 Sen Gauge (SG) – Pin Gauge
🔹 Type: SG
🔹 Features: One straight end, one Go/No-Go inspection end
🔹 Diameter Range: d1 ~ d20 mm
🔹 Gauge Length: 45 mm
🔹 Note: Comes with handle (ジャンク付 – with junk/handle)

🛠️ High-Precision Dimensional Inspection – Reliable Performance
Used for inspecting hole diameters or gaps with micron-level precision.
The dual-end design (Go and No-Go) enables fast and accurate inspection.
Made from ultra-hard alloy or hardened steel for exceptional wear resistance.
Manufactured to JIS standards and finished with #2000 diamond grinding for a smooth surface and long service life.
Ideal for mass production quality control or precision measurement in QC labs.

🧰 Ordering Specifications
When placing an order, please specify the gauge diameter d, d1 (including tolerance).
Select the type and product number according to the provided standard chart.
In addition to standard sizes, we also offer custom manufacturing based on specific customer requirements.