Carbon Steel；302、304、305、316 Stainless Steel
- Stick Fit bit fits drives tight & stable without wobbling and cam-out.
- Better Driving high torques to save your energy without end load in the driven requirement.
- Unaffected by Coating no need to design differences of drive deeps for different coatings and easy to control the quality
- Low Cost
Ultimate Torsional Strength Test
Comparing with phillips、square、torx、ph-sq recess drives, SCR screw provides better driving, high torques.