Cheap And Discounts DIN931 A4-70 316 Stainless Steel Hexagon Head Bolt M6 M8 M10 M12 M14 M16 Partially Threaded External Hex Head Screw Wholesale. Buy Directly From Merchant DQ Fasteners Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.