Product Name: Bearing Nut Precison/ Self-Locking Model NO.: KMK Grade: 12.9 Standard: DIN Head Style: Round Connection: Common Bolt Type: Round Head Material: Carbon Steel Trademark: boseion Transport Package: Pallet Specification: M10 to M100 Origin: China Product Description KMK Series Bearing Lock Nut ranging from M10 to M100.The inside located locking pins enable these lock nuts to be accurately positioned at right angles to the shaft. However, they can also be adjusted to compensate for slight angular deviations of adjacent components.