The fastening and opening of bolts and nuts adopts non-standard design, and the matching
non-standard tools are used to solve the opening and fastening problems. In general, other
wrenches cannot be inserted. In the appearance design of nuts and bolts, non-standard slotting,
opening or pentagonal, heptagonal, nine-corner or custom-made corresponding groove tools
have played a very good anti-theft effect
冷間圧造加工は、切削の少ない、あるいは切削を必要としない新しい圧造加工のひとつである。
金属。の作用による金属の塑性変形を利用した加工法である。
外力を受け、金型の助けを借りて、金属の体積を再分配し、移動させる。
必要な部品やブランクを製造します。冷間圧造工程は、標準的な
ボルト、ネジ、ナット、リベット、ピンなどの留め具。
Hexagonal Nylon Lock Nuts (commonly called Nyloc nuts) are a type of self-locking nut designed to resist loosening caused by vibration, shock, and dynamic loads. They feature a hexagonal head for tool engagement and a nylon insert that creates friction against the bolt threads, ensuring a secure, long-lasting connection.
Key Features & Design
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Hexagonal Head (6-Sided)
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Standard wrench/socket compatibility (e.g., ISO, DIN, ANSI standards).
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Available in metric (M3, M5, M6, etc.) and imperial (UNC/UNF) thread sizes.
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Nylon Insert (Locking Mechanism)
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A nylon-6,6 ring (usually blue or white) is crimped into the top of the nut.
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When threaded onto a bolt, the nylon deforms, creating frictional resistance to prevent loosening.
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Effective up to ~120°C (250°F); degrades at higher temperatures.
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Material & Finishes
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Nut Body: Carbon steel (Grade 5/8), stainless steel (A2/A4), or brass.
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Coatings: Zinc-plated (corrosion-resistant), black oxide, or plain.
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Thread Types
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Coarse (standard) or fine threads, depending on application needs.
- 六角ナイロンロックナット
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Common Applications
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自動車 (engine components, suspension, brackets)
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Industrial equipment (pumps, motors, conveyors)
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Electronics & appliances (PCBs, housings)
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Furniture & DIY projects (where vibration is a concern)
Standards & Specifications
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DIN 985 (Metric nylon insert lock nuts)
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ISO 7040 (Prevailing torque type, non-metallic insert)
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ASME B18.16.3M (Metric series lock nuts)
Installation Tips
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Do not over-tighten – Excessive torque can damage the nylon insert.
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Avoid lubricants on threads – Reduces locking effectiveness.
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Check for wear – Replace if the nylon appears cracked or flattened.
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