3 Easy Tricks to Remove Stripped Allen Head Bolts This item can be shipped to United Kingdom. m12 x 50mm allen key grub screws cup point screws stainless steel a2 din 916. The seller is a2zfast65 and is located in this country GB. M12 x 50mm ALLEN KEY GRUB SCREWS CUP POINT SCREWS STAINLESS STEEL A2 DIN 916.