INSIZE 3281-S275 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

- Measuring tips( included): 6 pairs of measuring tips: metric ang unified thread (60° thread angle)  0.4-0.5mm/64-48TPI, 0.6-0.9mm/44-28TPI, 1-1.75mm/24-14TPI, 2-3mm/13-9TPI, 3.5-5mm/8-5TPI, 5.5-7mm/4.5-3.5TPI

- Non-rotating spindle

- Ratchet stop

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

- Optional accessary: 55° setting standards