行业组件数据 · 2026

紧固螺栓/夹具

Industrial fastening bolts and clamps for securing manhole covers and machine access panels.

技术定义与适配语境
典型 紧固螺栓/夹具 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。

Precision-engineered fastening components designed to securely attach manhole covers and access panels to machinery frames, ensuring proper alignment, load distribution, and safety compliance in industrial environments. These components prevent unauthorized access, contain fluids or gases, and maintain structural integrity under operational stresses.

组件规格

定义
Precision-engineered fastening components designed to securely attach manhole covers and access panels to machinery frames, ensuring proper alignment, load distribution, and safety compliance in industrial environments. These components prevent unauthorized access, contain fluids or gases, and maintain structural integrity under operational stresses.
工作原理
Fastening bolts utilize threaded engagement to create clamping force between the manhole cover and machine frame, while clamps employ mechanical leverage or compression to secure covers without permanent attachment. Both systems distribute loads evenly to prevent deformation and ensure reliable sealing.
材料
High-strength steel (ASTM A307ASTM A325)stainless steel (AISI 304/316)or corrosion-resistant alloysmay include zinc platinghot-dip galvanizingor polymer coatings for environmental protection.
Thread Size
M8 to M24
Torque Range
20-200 Nm
Clamping Force
5-50 kN
Tensile Strength
400-800 MPa
Temperature Range
-40°C to 200°C
Corrosion Resistance
Salt spray test >500 hours
标准
ISO 4014ISO 4017DIN 931DIN 933ASME B18.2.1

行业分类与别名

紧固螺栓/夹具 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

Incorrect torque application->Bolt stripping or breakage->Use calibrated torque wrenches and follow manufacturer specifications; implement regular torque audits.
Environmental corrosion->Reduced clamping force or seizure->Select appropriate corrosion-resistant materials; apply protective coatings; conduct periodic inspections and maintenance.

工业生态与工程逻辑

0
Over-torquing causing bolt failure
1
Corrosion leading to seizure
2
Improper alignment causing seal leakage
3
Vibration-induced loosening

合规与检测

tolerance
Thread tolerance: 6g for bolts, 6H for nuts per ISO 965-1; dimensional tolerance ±0.1mm per ISO 2768-m
test method
Tensile testing per ISO 898-1; torque-tension testing per ISO 16047; corrosion resistance per ASTM B117

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 are the key differences between bolts and clamps for manhole covers?

Bolts provide permanent, high-strength threaded fastening with precise torque control, ideal for heavy-duty applications. Clamps offer quick-release functionality for frequent access, using mechanical compression without threads, suitable for maintenance-heavy environments.

How do I select the right material for corrosive environments?

For mild corrosion, use zinc-plated steel. For moderate corrosion, choose hot-dip galvanized steel. In highly corrosive or chemical-exposed areas, specify stainless steel (AISI 316) or polymer-coated alloys to ensure longevity and safety.

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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: 紧固螺栓/夹具

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URN:CNFX:ME:UNIT:FASTENING_BOLTS_CLAMPS