Besides, regarding the inquiry of SG 4.0х25, 4.0х30, 4.0х40, 4.0х50, 5,0х40, 5,0х50, 5,0х70, 5.0х60, 5.0х90, 6.0х40, 6.0х50, 6.0х70, 6.0х90, we will quote you later on!
Also, from our experience, it may be for Chipboard screw, right? If there is any misunderstanding of your inquiry, pls feel free to let me know