Flex Lock Nut

Size:
M20
Material:
316L
Unite:
Piece
Application:
Machinery, Marine‑Offshore, Chemical, Environmental‑protection, New‑energy, Port equipment
Packing:
Bulk cartons with pallet or customized packing
Lead time:
Peak season:20-30days Slack season:10-20days

Flex‑lock nut M20 316L adopts slotted elastic self‑locking structure for anti‑vibration & anti‑corrosion performance. Ideal for marine equipment, chemical and heavy‑duty outdoor assemblies. Supported by Jiaxing Aoke Hardware’s precision manufacturing, strict control over thread tolerance and slot precision ensures stable locking performance. We have supplied bulk orders for overseas heavy‑industry projects with tens‑of‑thousands‑piece shipment. Safe stock available for fast lead‑time. Custom modification is acceptable. Jiaxing Aoke Trading delivers one‑stop sourcing, offering samples, test reports and bulk quotations.

Model:M20 316L

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Product Description

Product Description

Our Flex‑lock nut M20 316L is a slotted elastic self‑locking fastener engineered for high‑vibration working conditions. Manufactured from premium 316L stainless steel with superior molybdenum‑alloy formula, this flex‑lock nut delivers outstanding resistance to salt‑spray corrosion, acid‑alkali erosion far beyond ordinary stainless steel fasteners.

Its unique slotted split‑groove structure generates persistent radial clamping force after tightening, preventing nut rotation loosening under cyclic vibration and shock load. Each piece is processed with precise thread tolerance and controlled slot opening dimension. The assembly matches standard M20 metric bolts perfectly.

Advantages: The passivated surface eliminates surface impurities to maximize anti‑corrosion performance. This flex‑lock nut features reliable self‑locking performance, high mechanical strength, shock‑resistant, salt‑fog resistant, extending long‑term service life for critical‑safety assemblies.

Installation: Place the flex‑lock nut onto M20 bolt, torque to recommended specification. The slotted section creates inward compression to lock threads tightly. After tightening, inspect joint stability. No extra lock washer is required for this self‑locking nut.

Product Application

Our M20 316L Flex‑lock nut fits critical assemblies suffering from vibration and corrosive environment. Widely adopted for offshore marine equipment, chemical processing equipment, coastal heavy‑duty machinery, outdoor industrial installations and corrosion‑prone engineering projects. Custom modification is supported for special project requirements.

Production Details