Yinpecly M55 x 2mm Retaining Four-Slot Slotted Round Nuts for Roller Bearing Pump Valve Carbon Steel Black Tone 2Pcs

Yinpecly Slotted Round NutsDescription:1. Constructed from carbon steel, oxidized black finished, good corrosion resistance.2. Design with thread inside, 4-slot slotted round nut. Operated with hook spanners (not included here).Specification:Material: Carbon SteelColor: Black ToneSurface Treatment: Oxidized BlackThreaded Size: M55 x 2mmThread Pitch : 2mm / 0.08"Outer Diameter: 78mm / 3.07"Height: 12mm / 0.47"Grade: 4.8Package Content:2pcs x Slotted Round NutsNOTE:This product is made of carbon steel, which may rust, but it will not affect normal use!

• 【SIZE】- Threaded Size: M55 x 2mm; Thread Pitch : 2mm / 0.08"; Outer Diameter: 78mm / 3.07"; Height: 12mm / 0.47"
• 【MATERIAL】- Made of carbon steel, oxidized black finished, good rust and corrosion resistance
• 【FEATURE】- Design with thread inside, 4-slot slotted round nut
• 【ADVANTAGE】- The pitch and spiral angle of the fine thread is smaller, which is more conducive to the self-locking, so the fine thread are generally used in places where it is necessary to prevent loosening
• 【APPLICATION】- Widely used for roller bearing, axial shaft, pump valve, etc