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العربية DIN 960 fine thread hex bolts factory
XZ Fastener manufactures DIN 960 fine thread hex bolts for machinery builders, automotive suppliers, steel fabricators, distributors, and industrial maintenance buyers. DIN 960 is commonly selected when a metric fine pitch thread is required with a hex head bolt form and controlled shank section. Factory confirmation should cover diameter, fine pitch, length, thread length, grade, material, finish, nut fit, and packing before production. Carbon steel, alloy steel, and stainless steel options can be supplied according to order requirement, with inspection focused on fine thread accuracy, mechanical properties, coating quality, and clear shipment labeling.
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Quick Specs
| Стандарт | DIN 960 metric fine thread hex bolts, typically partial thread with a controlled shank section |
|---|---|
| Strength | Common property classes include 8.8, 10.9, and 12.9; 4.8, 5.8, A2-70, and A4-70 can be discussed according to order requirement |
| Материал | Carbon steel, medium carbon steel, alloy steel, stainless steel 304/A2, stainless steel 316/A4 |
| Finish | Plain, zinc plated, black oxide, hot dip galvanized, zinc flake, nickel plated, passivated stainless steel |
| Приложение | Machinery, automotive parts, gearboxes, flanges, brackets, vibration-prone equipment, steel fabrication, and precision assemblies |
Buyers can compare DIN 960 fine thread hex bolts with other standard fasteners before confirming mixed bolt, nut, washer, and threaded rod requirements.
What Buyers Should Know Before Sourcing DIN 960 Fine Thread Hex Bolts
Fine Thread Must Be Written Clearly
DIN 960 is not a general coarse thread hex bolt. The fine pitch is the key feature, and it must be shown in the inquiry, drawing, purchase order, and inspection plan. A missing pitch note can lead to the wrong mating nut or a rejected assembly.
If the buyer needs coarse thread or full thread stock, related industrial bolts may be more suitable. DIN 933 full thread hex bolts are often used when full coarse thread is required.
Fine Threads Need Matching Nuts
Fine pitch bolts give more thread engagement per inch of length and can be useful where adjustment, vibration resistance, or compact clamping is important. They also require stricter matching with nuts and gauges.
For complete assemblies, review matching industrial nuts and flat washers early so the full bolt set is specified correctly.
Common Purchasing Descriptions
Fine thread items should never be described only as “hex bolt.” Use separate line items for each diameter, pitch, length, grade, material, and finish.
| Purchasing Description | Typical Use | Buyer Note |
|---|---|---|
| DIN 960 fine thread hex bolts, M12 x 1.25 x 70 mm, Class 10.9, plain finish | Machinery and precision clamping | Confirm fine pitch and partial thread length |
| DIN 960 hex bolts, M16 x 1.5 x 90 mm, Class 8.8, zinc plated | Equipment brackets and fabricated assemblies | Confirm matching fine thread nuts |
| DIN 960 fine pitch metric hex head bolts, M20 x 1.5 x 120 mm, Class 10.9, black oxide | Mechanical assemblies and maintenance stock | Confirm surface oil and hardness requirement |
| DIN 960 hot dip galvanized fine thread hex bolts, M24 x 2 x 140 mm | Outdoor steelwork where fine pitch is specified | Check coating build and nut fit after galvanizing |
| Grade 8.8 carbon steel hex bolts, metric hex head bolts, zinc plated DIN 933 bolts | Related standard hex bolt stock | Use only when the thread and standard match the assembly |
| Black oxide DIN 933 bolts, hot dip galvanized DIN 933 bolts | Related full-thread bolt inventory | Do not substitute DIN 933 for DIN 960 without engineering approval |
When standards or pitch choices are unclear, buyers can review the DIN and ISO fastener standards guide before confirming the final purchasing description.
Detailed Specifications Table
| Specification Item | Common Options | Factory Order Checkpoint |
|---|---|---|
| Стандарт | DIN 960 | Confirm fine thread hex bolt requirement, not coarse thread substitute |
| Diameter | M8 to M64 commonly requested; other sizes available upon request | Confirm diameter and fine pitch for every line item |
| Length | Common metric lengths according to order requirement | Measure from under the head to the bolt end |
| Thread | Metric fine pitch; special pitch available upon request | Confirm pitch gauge, thread length, and matching nut requirement |
| Strength | 8.8, 10.9, 12.9, A2-70, A4-70, other grades upon request | Match grade with material, heat treatment, head marking, and certificate |
| Head Style | Hexagon head | Confirm across-flat dimension, head height, and marking requirement |
| Finish | Plain, zinc plated, black oxide, hot dip galvanized, zinc flake, nickel plated, passivated | Confirm coating thickness, appearance, and post-finish nut fit |
| Packing | Cartons, bags, small boxes, pallets, or customer-labeled packing | Separate by size, pitch, grade, finish, batch, and customer item code |
Material and Grade Explanation
Carbon Steel and Alloy Steel
Class 8.8 DIN 960 fine thread hex bolts are often used in machinery and fabricated assemblies where stable clamping is needed. Class 10.9 and 12.9 are selected for higher mechanical demand, but they require closer control of heat treatment, hardness, and plating risk.
Buyers can compare related high-strength fasteners before confirming the final grade, finish, and certificate requirement.
Stainless Steel Options
A2 stainless steel is suitable for clean indoor and general corrosion-resistant applications. A4 stainless steel is preferred for wet, coastal, and more aggressive corrosion conditions.
For stainless DIN 960 bolts, buyers should confirm whether A2-70, A4-70, or another stainless class is required. Fine pitch stainless assemblies should also be checked for galling risk and suitable lubrication practice.
Surface Finish Selection Guide
Finish selection affects corrosion resistance, appearance, thread fit, storage life, and installation behavior. Fine threads are more sensitive to coating build, so post-finish nut fit should be checked.
| Finish | Typical Use | Procurement Comment |
|---|---|---|
| Plain | Indoor fabrication, oil-protected stock, or parts for later coating | Needs rust protection for storage and sea freight |
| Zinc Plated | General machinery, brackets, and distributor stock | Confirm plating thickness and fine thread fit |
| Black Oxide | Machinery and indoor assemblies requiring dark appearance | Often requires oiling for better storage protection |
| Hot Dip Galvanized | Outdoor structures where fine pitch is specified | Use carefully; coating build can affect fine thread assembly |
| Zinc Flake | Higher corrosion resistance with controlled coating build | Often useful where fine thread fit and corrosion resistance both matter |
| Passivated Stainless | Stainless steel bolts for clean or corrosive environments | Pack carefully to avoid surface contamination |
For finish comparison across product lines, buyers can review XZ Fastener’s coated fasteners before finalizing the order.
Manufacturing and Quality Control
DIN 960 fine thread hex bolts are typically produced through material preparation, cold heading or hot forging depending on size, thread rolling or machining, heat treatment when required, surface finishing, inspection, and packing. Fine pitch threads require careful gauge control.
- Confirm material grade, wire rod source, and heat number when traceability is required.
- Check head dimensions, across-flat size, length, shank diameter, and fine thread pitch.
- Confirm thread length and functional fit with fine pitch gauges or matching nuts.
- Inspect mechanical properties, hardness, and head marking for high-strength grades.
- Review coating thickness, appearance, corrosion protection, and post-coating assembly fit.
- Separate packing by size, pitch, grade, finish, batch, and customer item code.
- Verify carton labels, pallet marks, inspection reports, and shipment documents before delivery.
For special pitch, non-standard lengths, special head marking, or project-specific labels, XZ Fastener can discuss the required customized service before production.
Приложения
Machinery and Precision Assemblies
DIN 960 fine thread hex bolts are used in machinery frames, gearboxes, brackets, adjustment points, flanges, and vibration-prone equipment. Fine thread can support tighter adjustment and stronger thread engagement in limited space.
Industrial and Maintenance Supply
Distributors and maintenance teams use DIN 960 bolts where fine pitch is specified by equipment drawings or replacement part lists. Buyers often combine them with nuts, washers, and other fastener products for complete supply packages.
How to Get a Faster Quotation
A complete inquiry helps the factory quote the correct DIN 960 fine thread hex bolt without repeated clarification. Send the information in a clean size list when possible.
- Standard: DIN 960 or drawing requirement if modified.
- Size: diameter, fine pitch, and length, such as M12 x 1.25 x 70 mm.
- Thread requirement: standard thread length or drawing-based thread length.
- Grade and material: 8.8, 10.9, 12.9, A2-70, A4-70, or specified material.
- Finish: plain, zinc plated, black oxide, hot dip galvanized, zinc flake, nickel plated, or passivated.
- Quantity: pieces, cartons, pallets, or container quantity.
- Packing: carton quantity, small box packing, pallet marking, bar code label, or customer label.
- Inspection: material certificate, mechanical test, coating report, fine thread gauge check, or third-party inspection if required.
Часто задаваемые вопросы
What are DIN 960 fine thread hex bolts?
DIN 960 fine thread hex bolts are metric hex head bolts with fine pitch thread. They are commonly used where finer adjustment, strong thread engagement, or specific equipment drawing requirements apply.
How is DIN 960 different from DIN 933?
DIN 960 is a fine thread hex bolt standard, while DIN 933 full thread hex bolts are commonly used for metric coarse full-thread hex bolts. Buyers should not substitute one for the other without engineering approval.
Which grades are commonly supplied?
Common DIN 960 grades include 8.8, 10.9, and 12.9 for carbon or alloy steel. Stainless steel A2-70 and A4-70 can be supplied for corrosion-resistant applications according to order requirement.
Can DIN 960 bolts be hot dip galvanized?
Hot dip galvanized DIN 960 bolts can be discussed when required, but fine threads are sensitive to coating build. Matching nut fit after galvanizing should always be confirmed.
Can XZ Fastener supply matching fine thread nuts and washers?
Yes. Fine thread nuts and washers can be quoted as separate line items or packed according to order requirement. Buyers should define nut grade, pitch, finish, washer type, and packing method clearly.
What should buyers send for a factory quotation?
Buyers should send standard, size list, fine pitch, grade, material, finish, quantity, packaging method, inspection requirements, thread length needs, and any head marking or document requirements.
Send Your DIN 960 Fine Thread Hex Bolt Requirement
For a faster and more accurate quotation, send your size list, finish, quantity, packaging method, and inspection requirements. Include grade, material, fine thread pitch, thread length, certificate needs, head marking requirements, and whether matching nuts or washers are required.
Contact XZ Fastener