DIN 933 级 8.8 六角螺栓制造商
XZ Fastener supplies DIN 933 Grade 8.8 hex bolts for buyers who need full-thread metric bolts with controlled strength, finish, and thread fit. These bolts are commonly ordered for steel structures, machinery, equipment assembly, brackets, frames, and general industrial fastening. Sizes, surface treatment, packaging, and inspection documents can be supplied according to order requirement. For buyers comparing DIN 933 full thread hex bolts, Grade 8.8 carbon steel hex bolts, and related metric hex head bolts, XZ Fastener can support standard supply as well as application-based sourcing discussion.
快速规格
买家在采购DIN 933 级 8.8 六角螺栓之前应了解什么
Confirm the standard and thread length
DIN 933 is a full-thread hex head bolt standard and is often compared with DIN 931 partial-thread bolts. If your drawing calls for full engagement through the clamped parts, confirm DIN 933 or ISO 4017 before ordering. Buyers can also review XZ Fastener’s DIN 933 ISO 4017 高强度六角螺栓 以获得相关产品选项。
Match grade, nut, and washer
Grade 8.8 bolts should be matched with suitable nuts and washers for the assembly load and service environment. If the buyer needs a substitute for another metric hex head bolts specification, the thread pitch, coating thickness, and mechanical class should be reviewed before production.
Check finish impact on fit
Coatings such as zinc plating, black oxide, hot dip galvanizing, and zinc flake change corrosion protection and thread behavior. For high-strength bolts, buyers should also consider the 高强度螺栓的氢脆风险 when selecting an electroplated finish.
Plan inspection requirements early
Dimensional checks, thread gauges, surface thickness, hardness, tensile testing, and third-party inspection should be stated in the inquiry. XZ Fastener can discuss related 定制紧固件 when a standard DIN 933 bolt does not fully match the drawing.
常见采购说明
Procurement teams may use different descriptions for the same or closely related products. Clear wording helps avoid delays during quotation and production review.
- DIN 933 full thread hex bolts, property class 8.8, metric coarse thread
- Grade 8.8 carbon steel hex bolts, fully threaded, DIN 933 / ISO 4017
- Metric hex head bolts, M6 to M36 sizes, standard or project-specific lengths
- Zinc plated DIN 933 bolts for indoor machinery and general corrosion protection
- Black oxide DIN 933 bolts for oiled assemblies or darker appearance requirements
- Hot dip galvanized DIN 933 bolts for outdoor steelwork, subject to thread allowance review
如需更广泛的采购，买家可以浏览 XZ Fastener’s 紧固件产品 and compare related bolt, nut, screw, washer, and custom part categories.
详细规格表
| 项目 | Typical Supply Range | 买家须知 |
|---|---|---|
| 标准型 | DIN 933、ISO 4017 等效讨论可用 | Confirm whether the drawing requires DIN marking, ISO reference, or both. |
| 尺寸范围 | 常见公制尺寸如M6-M36，其他尺寸待审核 | Provide diameter, length, pitch, and whether coarse or fine thread is required. |
| 螺纹形式 | Full thread, metric thread | Thread tolerance and coating thickness should be checked for assembled fit. |
| 强度等级 | 8.8 级 / 属性类别 8.8 | Mechanical values should be confirmed according to the governing standard and size. |
| 材质 | Carbon steel, heat treated and tempered | Material grade can be selected according to mechanical and production requirements. |
| 完成 | 普通、镀锌、黄锌、黑色氧化、热镀锌、锌片 | Salt spray, thickness, color, and lubricant requirements should be stated when needed. |
| 检查 | Dimension, thread gauge, hardness, surface, packaging check | Mill test report, mechanical report, or third-party inspection can be discussed before order. |
| 包装 | 散装纸箱、小箱、托盘或买方指定的包装 | Include label language, carton weight limit, barcode, and pallet requirement if applicable. |
材质及牌号说明
Grade 8.8 carbon steel hex bolts are heat-treated fasteners used where higher strength is required than low carbon steel bolts. The 8.8 marking indicates a defined mechanical property class under the applicable bolt standard; final test values depend on diameter, heat treatment, and inspection method. For buyers comparing grades, XZ Fastener’s guide to ISO 898-1 bolt grades provides useful background for property class selection.
DIN 933 Grade 8.8 hex bolts are commonly ordered with compatible nuts and washers. If the assembly is exposed to vibration, dynamic load, outdoor conditions, chemicals, or repeated maintenance, the buyer should confirm the working environment before selecting material, coating, and locking method.
表面处理选择指南
镀锌
Zinc plated DIN 933 bolts are widely used for machinery, cabinets, brackets, and indoor equipment. Clear zinc and yellow zinc can be supplied according to order requirement. For outdoor exposure, confirm the expected corrosion resistance and maintenance interval.
黑色氧化
Black oxide DIN 933 bolts are often selected for dark appearance, light corrosion protection with oil, and controlled assemblies where heavy coating buildup is not desired. It is not a substitute for heavy outdoor corrosion protection.
热镀锌
Hot dip galvanized DIN 933 bolts can be considered for outdoor steelwork. Because HDG coating is thicker than electroplating, thread fit and mating nuts should be reviewed. Buyers can compare options in the 镀锌与热镀锌螺栓指南.
锌片和达克罗型涂层
Zinc flake coatings are often requested when corrosion protection is needed without electroplating. They can be discussed for Grade 8.8 bolts when the buyer specifies coating system, thickness, color, and performance requirement.
制造和质量控制
Production normally starts with order review, material selection, heading, thread rolling, heat treatment, surface treatment, and final inspection. Important checkpoints include across-flats dimension, head height, under-head bearing surface, thread pitch, overall length, chamfer, surface appearance, hardness, and thread engagement.
For threaded fasteners, gauge control is a practical way to reduce assembly problems. Buyers who need tighter thread assurance can reference 通过/不通过螺纹量规测试 and state the inspection level in the inquiry. Packaging inspection can also include carton strength, label details, pallet condition, and mixed-size separation.
应用领域
- Steel structures, brackets, frames, and support systems
- Machinery manufacturing, equipment assembly, and maintenance repair
- Industrial cabinets, conveyors, lifting fixtures, and production lines
- Automotive aftermarket components and general engineering assemblies
- Outdoor installations when a suitable corrosion-resistant finish is specified
如何获得更快的报价
To reduce back-and-forth, send a clear size list with diameter, length, thread pitch, quantity, finish, grade, packaging method, destination, and inspection requirements. If you have drawings, photos, or previous purchase descriptions, include them with the inquiry. Buyers can 请求报价 或 联系方式 XZ Fastener for DIN 933 Grade 8.8 hex bolts and related metric fasteners.
常问问题
Can DIN 933 Grade 8.8 hex bolts be supplied in full thread?
Yes. DIN 933 is a full-thread hex head bolt standard. Buyers should provide the metric size, length, pitch, grade, finish, and quantity so the quotation can be checked accurately.
DIN 933和DIN 931有什么区别？
DIN 933 bolts are fully threaded, while DIN 931 bolts are partially threaded. The correct choice depends on grip length, thread engagement, and the assembly drawing.
Which finish is suitable for Grade 8.8 carbon steel hex bolts?
Zinc plating, yellow zinc, black oxide, hot dip galvanizing, and zinc flake coatings can be considered. The suitable finish depends on corrosion exposure, appearance, thread fit, and inspection requirement.
Do zinc plated Grade 8.8 bolts need hydrogen embrittlement control?
For high-strength electroplated bolts, hydrogen embrittlement risk should be discussed before production. Baking, process control, and alternative coatings may be considered according to the application.
XZ Fastener可以提供配套的螺母和垫圈吗？
Matching nuts and washers can be discussed according to order requirement. Buyers should provide the bolt grade, finish, standard, and assembly condition so compatibility can be reviewed.
What documents should be requested for a DIN 933 bolt order?
Common documents include dimensional inspection records, material report, hardness or mechanical test report, coating inspection, packing list, and third-party inspection report when required by the buyer.
Send Your DIN 933 Grade 8.8 Hex Bolt Inquiry
For a faster response, send your size list, finish, quantity, packaging method, and inspection requirements. XZ Fastener can review standard DIN 933 Grade 8.8 hex bolts, zinc plated DIN 933 bolts, black oxide DIN 933 bolts, hot dip galvanized DIN 933 bolts, and related metric hex head bolts according to your order requirement.
索取报价 或 联系方式 XZ Fastener 与您的图纸、采购清单或项目规范。
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