行业组件数据 · 2026

锁紧螺母

A specialized nut designed to prevent loosening under vibration in cable glands and electrical fittings.

技术定义与适配语境
典型 锁紧螺母 会按材料、尺寸公差、适配关系和失效风险在 机械和设备制造 中评估。

A locknut is a threaded fastener component used in aluminum cable glands to secure the gland body to an enclosure or panel. It features a self-locking mechanism, typically through nylon inserts, deformed threads, or prevailing torque design, that resists rotational loosening caused by vibration, thermal cycling, or dynamic loads. In cable gland applications, it ensures a secure, vibration-resistant seal for electrical cables entering enclosures.

组件规格

定义
A locknut is a threaded fastener component used in aluminum cable glands to secure the gland body to an enclosure or panel. It features a self-locking mechanism, typically through nylon inserts, deformed threads, or prevailing torque design, that resists rotational loosening caused by vibration, thermal cycling, or dynamic loads. In cable gland applications, it ensures a secure, vibration-resistant seal for electrical cables entering enclosures.
工作原理
The locknut works by creating frictional resistance or mechanical interference between its threads and the mating threads. Common mechanisms include: 1) Nylon insert locknuts where a nylon ring deforms against the bolt threads, 2) All-metal prevailing torque nuts with elliptical or distorted threads that create interference fit, 3) Two-piece designs with a free-spinning washer that jams against the base nut. This prevents counter-rotation and maintains clamping force.
材料
Typically made from aluminum alloy (e.g.6061-T65052) to match aluminum cable gland bodiesproviding corrosion resistance and electrical conductivity. May include stainless steel (A2/A4) or brass variants. Nylon inserts are often PA66 (polyamide 66).
Height
8-25 mm
Thread Size
M12 to M75 metric threads
Locking Torque
2-150 Nm depending on size
Temperature Range
-40°C to +120°C (with nylon insert)
Width Across Flats
17-115 mm
Corrosion Resistance
IP68 when installed
标准
ISO 10511ISO 7042DIN 985DIN 6927

行业分类与别名

锁紧螺母 的常用贸易名称、技术标识和检索关键词。

上级产品

该组件会出现在以下整机或工业产品中。

FMEA · 风险与缓解

诱因 → 失效模式 → 工程缓解

Vibration from machinery or transportation->Nut loosens, breaking cable gland seal->Use prevailing torque locknuts with proper installation torque
Material fatigue from thermal cycling->Cracking of aluminum nut body->Select alloys with proper thermal expansion characteristics and temperature ratings

工业生态与工程逻辑

0
Galvanic corrosion when mating with dissimilar metals
1
Over-torquing can strip aluminum threads
2
Nylon inserts degrade at high temperatures
3
Incorrect installation reduces locking effectiveness

合规与检测

tolerance
ISO 4759-1 for thread tolerances, ±0.1mm on dimensions
test method
Vibration testing per ISO 16151, torque retention testing per DIN 25201

制造该组件的工厂

来自 CNFX 组件能力表的相关制造商资料。

制造商列表用于前期研究和供应商能力理解,不代表认证、排名或交易担保。

采购评估维度

不是客户评论,也不是实时热度。以下维度用于前期 RFQ 准备和供应商评估。

技术文档
4/5
制造能力
4/5
可检验性
5/5
供应商透明度
3/5

这些分值是采购评估维度示例,不代表真实客户评分、具体国家买家反馈或实时询盘。

相关组件

常见问题

How does a locknut differ from a standard nut in cable glands?

Locknuts incorporate locking features (nylon inserts, deformed threads) that prevent loosening from vibration, while standard nuts require separate locking washers or thread-locking compounds.

Can aluminum locknuts be used with stainless steel glands?

Not recommended due to galvanic corrosion risk. Use matching materials or insulating washers.

What maintenance do locknuts require?

Periodic torque checks in high-vibration environments. Nylon insert locknuts are generally single-use after disassembly.

我可以直接联系工厂吗?

CNFX 是开放目录,不是交易平台或采购代理。工厂资料和表单用于帮助你准备直接沟通。

CNFX Industrial Component Index · 机械和设备制造

数据基础

CNFX 制造商资料、技术分类、公开产品信息和持续合理性检查。

初步技术归类
本页用于结构化准备研究、RFQ 和供应商评估,不替代买方自己的供应商资质审查、标准核验和技术批准。

请求制造能力信息: 锁紧螺母

说明目标数量、应用场景、交期和关键技术要求,用于准备 RFQ 或供应商评估。

谢谢,信息已发送。
谢谢,信息已收到。

需要制造 锁紧螺母?

对比具备该组件加工或装配能力的制造商资料。

创建制造商档案 联系我们
上一个组件
锁紧螺母
下一个组件
锁紧螺母/夹具
URN:CNFX:ME:UNIT:LOCKNUT