行业组件数据 · 2026

轮毂螺栓

Wheel studs are threaded fasteners that secure wheels to wheel hubs in automotive and transportation applications.

技术定义与适配语境
典型 轮毂螺栓 会按材料、尺寸公差、适配关系和失效风险在 汽车制造 中评估。

Wheel studs are precision-engineered threaded rods or bolts that protrude from the wheel hub assembly, designed to mount and secure wheels via lug nuts. They provide the critical mechanical connection between the rotating wheel and the stationary hub, transmitting torque, bearing vehicle loads, and ensuring wheel retention under dynamic conditions including acceleration, braking, and cornering forces.

组件规格

定义
Wheel studs are precision-engineered threaded rods or bolts that protrude from the wheel hub assembly, designed to mount and secure wheels via lug nuts. They provide the critical mechanical connection between the rotating wheel and the stationary hub, transmitting torque, bearing vehicle loads, and ensuring wheel retention under dynamic conditions including acceleration, braking, and cornering forces.
工作原理
Wheel studs work on the principle of threaded fastening, where the stud's external threads engage with the internal threads of lug nuts. When torqued to specification, they create a clamping force that holds the wheel firmly against the hub flange, preventing relative movement while allowing for controlled elastic deformation to maintain tension under varying loads and thermal expansion.
材料
Typically made from medium-carbon steel (e.g.SAE 10451541) or alloy steel (e.g.SAE 41408740) with heat treatment (quenching and tempering) to achieve tensile strengths of 150-180 ksi. High-performance variants may use stainless steel (e.g.AISI 304316) for corrosion resistance or titanium alloys for weight reduction in racing applications.
Length
40-80 mm
Hardness
HRC 32-38
Head Type
Knurled, serrated, or smooth shank
Thread Size
M12x1.5, M14x1.5, M14x2.0, 1/2-20, 9/16-18
Thread Pitch
Fine or coarse thread depending on application
Yield Strength
130-160 ksi
Tensile Strength
150-180 ksi
标准
ISO 898-1DIN 6921SAE J429JIS B1180

行业分类与别名

轮毂螺栓 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

Improper installation torque->Stud fatigue fracture or wheel detachment->Use calibrated torque wrenches, follow manufacturer specifications, and re-torque after initial use
Corrosion from road salts or moisture->Thread seizure or reduced tensile strength->Use corrosion-resistant materials, apply anti-seize lubricant (sparingly on threads), and regular inspection
Impact damage from curb strikes->Bent or cracked studs compromising wheel alignment->Design with protective hub covers, educate drivers on careful maneuvering

工业生态与工程逻辑

0
Over-torquing causing stud stretching or fracture
1
Under-torquing leading to wheel loosening
2
Cross-threading during installation
3
Corrosion weakening structural integrity
4
Fatigue failure from cyclic loading

合规与检测

tolerance
Thread tolerance: 6g per ISO 965-1; Length tolerance: ±0.5 mm; Hardness tolerance: ±2 HRC
test method
Tensile testing per ISO 898-1, torque-to-yield testing, salt spray corrosion testing per ASTM B117, fatigue testing under cyclic load simulation

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 wheel studs and wheel bolts?

Wheel studs are fixed to the hub and protrude through the wheel, secured with lug nuts. Wheel bolts thread directly into the hub and pass through the wheel, acting as both stud and nut. Studs allow easier wheel alignment during installation.

How often should wheel studs be inspected?

Inspect during every tire rotation or brake service (typically every 5,000-10,000 miles). Check for thread damage, corrosion, elongation, or cracks. Replace if any signs of wear or if torque cannot be maintained.

Can damaged wheel studs be repaired?

No, damaged studs must be replaced. Attempting to repair threads (e.g., with dies) weakens the material and compromises safety. Always replace with OEM-specification studs and torque properly.

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CNFX Industrial Component Index · 汽车制造

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: 轮毂螺栓

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