tractor wheel bolts manufacturer
XZ Fastener manufactures tractor wheel bolts for agricultural machinery OEMs, replacement parts distributors, farm equipment repair teams and heavy vehicle hardware importers. Wheel bolts are used on hubs, rims, axle assemblies and service kits where clamping force, thread fit, seat geometry and fatigue resistance must be controlled. Orders can be supplied according to drawings, samples or size lists, including matched wheel nuts and washers when required. Buyers can specify material grade, finish, quantity, packing method and inspection documents according to order requirement.
Quick Specs
What Buyers Should Know Before Sourcing Tractor Wheel Bolts
Tractor wheel bolts should be specified by more than diameter and length. Wheel seat angle, head style, shank fit, thread pitch, nut compatibility and tightening practice all affect whether the wheel assembly holds preload during field use. Agricultural equipment can face mud, vibration, side load, impact and repeated wheel removal, so the bolt should match both the rim and hub design.
Before production, buyers should confirm whether the part is a wheel bolt, wheel stud, hub bolt or rim bolt. For dynamic equipment connections, the guide to fasteners for shock and vibration is useful when preparing technical requirements.
Common Purchasing Descriptions
- Tractor wheel bolts with matching wheel nuts packed as service kits.
- Wheel hub bolts for agricultural tractors, trailers and farm equipment.
- Rim bolts with cone seat, ball seat or special seat according to drawing.
- DIN 933 full thread hex bolts for brackets, guards and auxiliary hardware.
- Grade 8.8 carbon steel hex bolts for non-wheel tractor assemblies.
- metric hex head bolts for agricultural machinery frames and service covers.
- zinc plated DIN 933 bolts for protected spare part storage and workshop repairs.
- black oxide DIN 933 bolts for oil-protected machinery assemblies.
- hot dip galvanized DIN 933 bolts for outdoor frames, trailers and exposed supports.
Detailed Specifications Table
| Предмет | Typical Options | Buyer Notes |
|---|---|---|
| Product type | Wheel bolts, wheel studs, hub bolts, rim bolts, wheel nuts and matched repair kits | Confirm whether the fastener is installed from hub side, rim side or used with a separate nut. |
| Head and seat | Hex head, flange head, cone seat, ball seat, flat seat, shoulder or custom head geometry | Seat shape must match the rim or hub contact surface to keep stable clamping. |
| Thread | Metric coarse, metric fine, inch thread, full thread, partial thread and custom thread length | Thread pitch and nut engagement should be checked before bulk production. |
| Size range | Common tractor wheel sizes and custom sizes can be supplied according to order requirement | Send diameter, total length, thread length, shoulder size, head dimensions and quantity. |
| Strength and heat treatment | Grade 8.8, 10.9, 12.9 or custom mechanical properties after heat treatment | For wheel applications, hardness, tensile strength and fatigue risk should be considered together. |
| Matched components | Wheel nuts, flange nuts, washers, labeled kits and private-label packing | Matched packing helps distributors reduce field service sorting errors. |
| Documents | Material report, hardness, tensile, dimensional inspection, thread inspection and coating report available upon request | List inspection documents in the RFQ instead of adding them after production. |
Material and Grade Explanation
Tractor wheel bolts normally use carbon steel or alloy steel with controlled heat treatment. Grade 8.8 may be suitable for general machinery hardware, while wheel applications often require higher clamp load, better fatigue resistance and stable hardness. Buyers should confirm the tractor model, wheel load, rim thickness and tightening method before choosing grade.
For farm vehicles and heavy equipment, material selection should consider shock load, corrosion exposure and service replacement interval. XZ Fastener also supports made-to-drawing requirements for vehicle fastener materials when the wheel bolt specification includes special mechanical or coating needs.
Surface Finish Selection Guide
Tractor wheel bolts may be supplied in plain, oil black, black oxide, zinc plated, hot dip galvanized, Dacromet or Geomet finish according to order requirement. Plain and oil black finishes are often used for protected or quickly installed parts. Zinc plating supports moderate storage and corrosion protection. Dacromet or Geomet may be selected where corrosion resistance is requested without excessive thread build-up.
When wheel bolts and nuts are supplied together, finish compatibility and thread fit should be checked as one assembly. Buyers can compare coating choices in the surface finish selection guide.
Manufacturing and Quality Control
Production Control
XZ Fastener can manufacture tractor wheel bolts according to drawings, samples or confirmed size lists. Production may include material preparation, forming, machining, heat treatment, thread rolling, coating, sorting and packing. For special head shape, seat profile, shoulder size or private-label service kits, buyers can use the custom fasteners service.
Inspection Points
Key inspection points include material grade, head dimensions, seat angle, shoulder diameter, thread pitch, thread fit, hardness, tensile strength, surface condition, coating thickness and packing label accuracy. For wheel hardware, consistent heat treatment and correct nut fit are especially important. XZ Fastener’s fastener quality control process explains checks from raw material to packing.
Приложения
- Agricultural tractor wheel hubs, rims and axle assemblies.
- Farm trailers, tillage equipment, harvesters and utility machines.
- Wheel bolt and wheel nut kits for repair shops and distributors.
- Replacement hardware for tractors working in mud, vibration and outdoor exposure.
- OEM agricultural machinery production and aftermarket spare part supply.
- Private-label service kits packed by model, size or customer label.
- Heavy equipment wheel assemblies requiring custom seat or shoulder dimensions.
- Mixed fastener orders including wheel bolts, nuts, washers and auxiliary hex bolts.
How to Get a Faster Quotation
For tractor wheel bolts, send a size list with diameter, total length, thread length, thread pitch, head style, seat type, shoulder dimension, material grade, finish, quantity and matched nut requirement. If available, include the tractor model, rim photo, sample photo or drawing. This helps confirm whether a standard wheel bolt can be supplied or whether custom production is needed.
For distributor and repair kit orders, include packaging quantity per set, carton weight, label format, pallet requirement and inspection documents. If tightening control is part of the application, the bolt torque and preload guide can help align technical details before purchasing.
Часто задаваемые вопросы
Can XZ Fastener manufacture tractor wheel bolts according to samples?
Yes. XZ Fastener can manufacture tractor wheel bolts according to samples, drawings or detailed size lists. Buyers should provide head dimensions, seat type, thread details, material grade, finish, quantity and matching nut requirement.
What information is needed to quote tractor wheel bolts?
Please send diameter, total length, thread length, pitch, head style, seat type, shoulder dimension, grade, finish, quantity, packaging and inspection requirements. Tractor model and sample photos are helpful for confirmation.
Can wheel bolts and wheel nuts be supplied as matched sets?
Yes. Tractor wheel bolts and nuts can be supplied as matched sets according to order requirement. Packing can be arranged by size, model, kit quantity or customer label.
Which finish is suitable for tractor wheel bolts?
Plain, oil black, black oxide and zinc plated finishes are common. Dacromet, Geomet and other coatings can be considered when higher corrosion resistance or project-specific coating performance is required.
Are ordinary hex bolts suitable for tractor wheel installation?
Ordinary hex bolts may be used for auxiliary tractor hardware, but wheel positions usually require correct seat geometry, grade, thread engagement and matched nuts. Buyers should confirm the rim and hub design before replacement.
Can inspection documents be provided for wheel bolt orders?
Inspection documents can be provided according to order requirement, including material report, hardness, tensile, dimensional inspection, thread inspection and coating report. Required reports should be listed before production.
Send Your Tractor Wheel Bolt Inquiry
To prepare a practical quotation, send your size list, finish, quantity, packaging, and inspection requirements. For tractor wheel bolts, wheel studs, matched nuts or custom agricultural machinery hardware, attach drawings, sample photos or tractor model information so XZ Fastener can check the details before production.
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