Hex Bolts |
Socket Head Cap Screws |
Flange Bolts |
Carriage Bolts |
Eye Bolts |
U Bolts |
Stud Bolts
DIN / ISO / ASTM
4.8 / 8.8 / 10.9 / 12.9 / A2-70 / A4-80
Zinc Plated / HDG / Black Oxide / Dacromet / PTFE
XZ Fastener supplies a wide range of bolts for industrial, construction, machinery, automotive, steel structure and general assembly applications. Our bolt products include hex bolts, socket head bolts, flange bolts, carriage bolts, eye bolts, U bolts and custom bolts, available in carbon steel, stainless steel and alloy steel. We support DIN, ISO, ASTM and custom standards, with grades such as 4.8, 8.8, 10.9, 12.9, A2-70 and A4-80, and surface finishes including zinc plated, hot-dip galvanized, black oxide, Dacromet and PTFE coating.
We supply standard and custom bolts in various materials, grades, sizes and surface finishes to meet different industrial and project requirements.
| Item | Available Options |
|---|---|
| Product Types | Hex Bolts, Socket Head Cap Screws, Flange Bolts, Carriage Bolts, Eye Bolts, U Bolts, Stud Bolts, Anchor Bolts, Custom Bolts |
| Standards | DIN, ISO, ASTM, ANSI, JIS, BS, GB and custom standards |
| Common Standards | DIN 931, DIN 933, ISO 4014, ISO 4017, DIN 912, DIN 603, ASTM A193, ASTM F1554 |
| Material | Carbon Steel, Stainless Steel, Alloy Steel, Brass, Aluminum and special materials |
| Grades | 4.8, 5.8, 8.8, 10.9, 12.9, A2-70, A4-70, A4-80, ASTM A193 B7, ASTM F1554 Gr.55 |
| Size Range | M4–M36, 1/4″–2″, customized sizes available |
| Thread Type | Full Thread, Half Thread, Coarse Thread, Fine Thread, Custom Thread |
| Surface Finish | Plain, Zinc Plated, Hot-Dip Galvanized, Black Oxide, Dacromet, Zinc-Aluminum Coating, PTFE Coating, Phosphate Coating |
| Head Marking | Grade marking, logo marking and customized head marking available |
| Custom Service | Made to drawing, made to sample, special length, special head, special thread and customized packaging |
| Certificates | MTC, Inspection Report, CO, EN 10204 3.1 certificate available upon request |
| Applications | Construction, Machinery, Steel Structure, Automotive, Solar Mounting, Railway, Bridge, Oil & Gas and General Industry |
Please send us the bolt standard, size, material, grade, finish and quantity. We will provide a suitable quotation as soon as possible.
We supply a wide range of bolts, including hex bolts, socket head cap screws, flange bolts, carriage bolts, eye bolts, U bolts, stud bolts, anchor bolts and custom non-standard bolts. Different materials, grades, coatings and standards are available according to project requirements.
We can supply bolts according to DIN, ISO, ASTM, ANSI, JIS and other international standards. Common standards include DIN 931, DIN 933, ISO 4014, ISO 4017, DIN 912, DIN 603, ASTM A193, ASTM F1554 and customized standards based on drawings or samples.
Our bolts are available in carbon steel, stainless steel, alloy steel, brass, aluminum and other special materials. Stainless steel grades such as A2-70, A4-70 and A4-80 are available, while carbon steel and alloy steel bolts can be supplied in different strength grades.
We can provide bolt grades such as 4.8, 5.8, 8.8, 10.9, 12.9, A2-70, A4-70, A4-80, ASTM A193 B7, ASTM F1554 Gr.55 and other grades according to customer requirements.
Available surface finishes include plain finish, zinc plated, hot-dip galvanized, black oxide, Dacromet, zinc-aluminum coating, PTFE coating, phosphate coating and other special coatings. The suitable finish depends on the application environment and corrosion resistance requirements.
Yes. We can supply full thread bolts, half thread bolts and custom thread lengths. For example, DIN 933 and ISO 4017 are commonly full thread hex bolts, while DIN 931 and ISO 4014 are commonly half thread hex bolts.
Yes. We support custom bolt production based on drawings, samples or technical specifications. Custom options include special head shape, non-standard length, special thread, custom material, special coating, logo marking and customized packaging.
Yes. We can provide material certificates, inspection reports, CO, and EN 10204 3.1 certificates when required. For project orders, we can also support dimensional inspection, hardness testing, tensile testing and surface treatment inspection.
To receive an accurate quotation, please provide the bolt type or standard, size, length, material, grade, surface finish, quantity, packaging requirement and destination country or port. If the bolt is non-standard, please send a drawing or sample photo.
MOQ depends on the bolt type, size, material, grade and surface finish. Standard bolts may have flexible MOQ if stock is available, while custom or special-grade bolts usually require a higher MOQ due to mold, material and production costs.
Yes. We can supply bolts together with matching nuts, flat washers, spring washers or other accessories. Please confirm whether you need only bolts or complete bolt sets before quotation.
We check dimensions, thread accuracy, head size, surface finish, mechanical properties, hardness, packaging and labeling before shipment. For high-strength or project bolts, additional inspection and test reports can be arranged according to customer requirements.
Need a bolt quotation? Send us your size, standard, material, grade, finish and quantity. Our team will help you choose the suitable bolt solution for your project.
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International Organization for Standardization (ISO) standards
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