12.9 grade high strength cup head hexagon socket head cap screw black cylindrical head screw lengthened bolt m2m3m4m5m24

Small business operation, low profit margin, if the sold products have damage, please take photos and contact customer service for after-sales service. Our store does not support returns for any reason such as poor quality or unsellable items. The 7-day no-reason return policy is only valid for individual customers. Wholesalers and sample-viewing customers do not enjoy the 7-day no-reason return policy. Thank you for your cooperation. For invoices and custom orders, please contact the manager via WeChat.