Carbon Steel Retaining Four-Slot Slotted Round Nuts M40 x 1.5mm for Roller Bearing Pump Valve, Black Tone 4 Pcs

Yinpecly Four-Slot Slotted Round Nuts Description: 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 Steel Color: Black Tone Surface Treatment: Oxidized Black Thread Size: M40 x 1.5mm/ M40 x 0.06'' Outer Diameter: 58mm/ 2.28" Height: 10mm/ 0.39" Pitch: 1.5mm/ 0.06" Grade: 4.8 Package Content: 4pcs x Four-Slot Slotted Round Nuts NOTE: This product is made of carbon steel, which may rust, but it will not affect normal use!

• Size: thread size: M40 x 1.5mm/0.06''. Outer diameter: 58mm/ 2.28''. Height: 10mm / 0.39''.
• 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.