Product Name: Locknut DIN 1804 in Steel Model NO.: DIN 1804 Grade: 12.9 Standard: DIN Head Style: Round Connection: Common Bolt Type: Round Head Material: Carbon Steel Trademark: DIZEN Transport Package: Export Standard Packing Origin: China HS Code: 7318160000 Product Description Spanner locknutHigh grade spanner locknuts according to DIN 1804Our capacity includes, hot forging, lathe turning and milling. We make all the spanner locknut by ourselves.Our stock ranging from M10 to M120, with the thread of 4H.