With its' high grade and tensile, shoulder screw is usually fixed with bearing, gear and work piece needs to resist high torque.
1. M5-0.8 length: 10mm ~ 80mm.
2. M6-1.0 length: 10~80 mm.
3. M8-1.25 length: 12~100 mm.
4. M10-1.5 length: 18~130mm.
5. Inch size is also available.