INSIZE 3281-275A 螺纹千分尺 (250-275mm)

- Measure pitch diameter of screw threads

- Range:  250-275mm

- Diameters: L=291mm; b=155 mm

- Graduation 0.01mm

- Non-rotating spindle

- Ratchet stop

- Supplied with 60° setting standards (except 0-25mm)

- Optional accessary: 55° setting standards