... , P, Q) / ASME B18.6.4 & SAE J78 specifications Self-drilling fasteners for atta Self Drilling ScrewsDIN7504 (K, L, N, P, Q) / ASME B18 ... bonded neoprene washers to order.Specifications: Head: Hex head, Hex flange head, Pan head, Pan framing head, Flat head, Truss head, Wafer head, Oval headRecess: Phillips, Pozi, Slotted, Torx ...