Detailed Product Description 1)Name:T-head blots2) Size: M8-M563) Material: Carbid steel, stainless steel3) Grade: 4.6 - 10.9, 304(A22) Material: Carbid steel, stainless steel3) Grade: 4.6 - 10.9, 304(A2-70),316(A4-80)4) Surface: Black, Zinc Plated, Yellow Zinc Plated,Dacroment...5) Packing: bulk, box packing, Carton, Pallet6) We can supply DIN186 and so on