Lock nuts
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304 Stainless Steel Type 1 Full Metal Hexagon Lock Nut with Insert, GB6184 Anti-loosening Self-locking Retaining Screw Cap
From
US$0.01
MOQ: 100 piece
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Blackened 8.8-grade Hex Self-locking Nylon-insert Anti-loosening Lock Nut M6-M16
From
US$0.06
MOQ: 1000 piece
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304 Stainless Steel Metric Hexagon Cap Nut Decorative Screw Protective Cap Black Zinc-Plated Locking Grade 6.8
From
US$0.05
MOQ: 1000 piece
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Steel Hex Nylon Insert Lock Nuts Grade 10.9 Black Oxide Anti-Loosening M6 M8 M10
From
US$0.08
MOQ: 1000 piece
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304 Stainless Steel Metric Hexagonal Lock Nut Anti-Loosening Non-Slip Nylon Insert Fine-Thread Right/Left-Hand Thread M3/M4
From
US$0.05
MOQ: 1000 piece
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Black 304 Stainless Steel Metric Hex Flange Self-Locking Lock Nut Non-Slip Screw Cap SZ890 M3/M4/M5/M6/M8/M10/M12/M16
From
US$0.06
MOQ: 1000 piece
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10.9-grade Black-oxidized High-strength Iron Hexagonal Lock Nut Self-locking Feature Coarse/fine Metric Threads Sizes M6-M36
From
US$0.01
MOQ: 100 piece
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Carbon Steel Zinc Plated White Zinc Eye Nut Grade 4.8 for Furniture Installation Lifting & Mechanical Use M3-M20
From
US$0.02
MOQ: 100 piece
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GB6187 Hexagonal Flange Lock Nut Jam Nuts M3 Anti-Losening Carbon Steel Grade 8 & 10 Galvanized Finish
From
US$0.04
MOQ: 100 piece
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Class 12 High-Strength Carbon Steel Black Hex Nuts Galvanized Hex Lock Nuts Screw Caps M5 M6 M8 M10 for Heavy Industry
From
US$0.05
MOQ: 1000 piece
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304 Stainless Steel M3 Thread Hex Lock Nuts Nylon Insert Passivated Black Oxide Coating Zinc Plated Heavy Duty Metric Certified
From
US$0.01
MOQ: 100 piece
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Class 4.8 Zinc-Plated ANSI Serrated Flange Nuts High-Strength Lock Nuts Right Hand Thread Anti-Slip Anti-Backoff Function
From
US$0.01
MOQ: 100 piece
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DIN 7967 Stainless Steel Power Nut Self-Tightening Hex Head Binding Nut Black Metal Lock Nuts for Mining
From
US$0.02
MOQ: 500 piece
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Heavy Duty Class 8 Hex Lock Nut Black Oxide Finish Imperial Thread for Heavy Industry Applications Hg/T20634 Sh3404 Standard
From
US$0.04
MOQ: 100 piece
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Class 10.9 Non-metallic Insert Lock Nut Fine Thread M4/M5/M6/M8/M10 GB 889 Nylon Self-locking Hex Nut Blue and White Zinc Finish
From
US$0.1
MOQ: 500 piece
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Carbon Steel Blue-White Zinc Plated Grade 4 Metric M3 Right Hand Hex Flange Lock Nuts DIN6923 Serrated Anti-Slip Manufacturer
From
US$0.02
MOQ: 500 piece
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304 Stainless Steel Lock Nut with Ring Round Body Right Hand Thread Class 4.8 & 6.8 Industrial Use Hole Sizes 6-14mm
From
US$0.01
MOQ: 10 piece
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National Standard Round Nut, Lock Nut, Stop Nut, GB812 Slotted Nut / Four-Slot Round Screw Cap, Small Jam Nut
From
US$0.1
MOQ: 500 piece
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Hot Sale Metric M3-M18 Hex Head Nylon Insert Lock Nut Carton Steel Zinc Plated Class 4.8 Heavy Industry Applications
From
US$0.02
MOQ: 100 piece
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Nylon Lock Nut 3/8-16 Fastener Factory Direct Sales for Construction Industry Zinc Plated Hex Grade Class 4.8 & 6.8 JUN CHUANG
From
US$0.01
MOQ: 10 piece
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Customized Metric Carbon Steel Hex Flange Lock Nut M8 Carbon Steel with Zinc Plated Finish
From
US$0.01
MOQ: 100 piece
Buying guides
2026-11-07
Stainless fastener grades: 304 vs 316
Corrosion resistance, strength and cost, plus selection advice for outdoor and marine environments.
Read article → 2026-11-07How to choose bolt property class: 8.8, 10.9 and 12.9
Load, preload and cost: when to specify 8.8, 10.9 or 12.9 bolts.
Read article →