行业组件数据 · 2026

螺母

A threaded fastener used with bolts or screws to secure components in mechanical assemblies.

技术定义与适配语境
典型 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 nut is a type of fastener with a threaded hole, typically hexagonal in shape, designed to mate with a bolt or screw to clamp parts together. In drive mechanisms like ball screws, nuts translate rotary motion into linear motion along the screw shaft, often featuring internal ball bearings for reduced friction and high precision.

组件规格

定义
A nut is a type of fastener with a threaded hole, typically hexagonal in shape, designed to mate with a bolt or screw to clamp parts together. In drive mechanisms like ball screws, nuts translate rotary motion into linear motion along the screw shaft, often featuring internal ball bearings for reduced friction and high precision.
工作原理
Works by engaging with the external threads of a bolt or screw via its internal threads, creating a clamping force when tightened. In ball screw applications, the nut contains recirculating ball bearings that roll between the screw and nut threads, converting rotational force into linear movement with minimal friction.
材料
Carbon steel (e.g.Grade 58)alloy steel (e.g.41404340)stainless steel (e.g.304316)brassor nylon. For high-performance ball screw nutshardened steel (HRC 58-62) is common.
Pitch
1mm to 5mm
Height
5mm to 30mm
Thread Size
M6 to M30
Load Capacity
Up to 50 kN
Precision Grade
C3 to C7
Width Across Flats
10mm to 46mm
标准
ISO 4032DIN 934ISO 3408

行业分类与别名

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

Insufficient torque during installation->Nut loosens, leading to assembly failure->Use torque wrenches and follow manufacturer specs
Exposure to corrosive chemicals->Material degradation and loss of clamping force->Select corrosion-resistant materials like stainless steel or apply coatings

工业生态与工程逻辑

0
Thread stripping under overload
1
Corrosion in harsh environments
2
Loosening from vibration
3
Misalignment causing binding

合规与检测

tolerance
ISO 4759-1 for dimensional tolerances, ±0.1mm on critical dimensions
test method
Torque testing per ISO 898-2, hardness testing per ISO 6508, and fatigue testing for ball screw nuts

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

What is the difference between a standard nut and a ball screw nut?

A standard nut is for static fastening, while a ball screw nut has internal ball bearings for smooth linear motion in drive systems, reducing friction and wear.

How do I select the right nut material for my application?

Choose based on load, environment, and corrosion resistance: carbon steel for general use, stainless steel for wet conditions, and alloy steel for high stress.

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: 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。

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URN:CNFX:ME:UNIT:NUT