High Strength Socket Screws for Wholesale Supply
12.9 级内六角螺钉批发供应商
XZ Fastener supplies Grade 12.9 socket head cap screws for wholesale buyers serving machinery, tooling, molds, dies, automation equipment, repair programs, and distributor stock. These high strength alloy steel screws are commonly supplied to ISO 4762 or DIN 912 dimensional requirements, with metric coarse and fine thread options available according to order requirement. Black oxide, plain oiled, phosphate, zinc flake, and selected protective finishes can be reviewed. Wholesale orders can be packed by size, item code, carton, pallet, or assembly kit for organized receiving and stock control.
快速规格
买家在采购 12.9 级内六角螺钉之前应了解什么
Grade 12.9 socket head cap screws are chosen when a compact head, internal hex drive, and high tensile strength are needed in a metric assembly. When comparing 紧固件产品 for wholesale supply, buyers should confirm standard, diameter, pitch, length, thread length, socket size, head height, material, heat treatment, finish, and packing method.
Wholesale buyers should also review how finish selection affects corrosion resistance, assembly friction, storage protection, and hydrogen embrittlement risk. For special lengths, drawing-based head dimensions, modified thread length, or non-standard drive details, related 定制紧固件 can be reviewed with the Grade 12.9 socket screw inquiry.
Wholesale Sourcing Checklist
- 确认ISO 4762、DIN 912 或基于图纸的尺寸。
- 发送直径、螺距、长度以及全螺纹或部分螺纹要求。
- 指定 12.9 级材料和热处理期望。
- 检查表面处理选择是否存在腐蚀、摩擦和脆化问题。
- Provide carton labels, item codes, pallet plan, and inspection requirements.
常见采购说明
- 12.9 级内六角螺钉，合金钢，黑色氧化，公制粗牙螺纹。
- ISO 4762 内六角螺钉，性能12.9 级，普通涂油表面。
- DIN 912 Grade 12.9 socket screws, partial thread, wholesale carton packing.
- Grade 12.9 cap screws with zinc flake finish for machinery assembly.
- 公制内六角螺钉按商品代码、长度、表面处理和托盘标签分类。
For mixed wholesale purchasing lists, Grade 12.9 socket screws may be ordered together with DIN 933 full thread hex bolts, Grade 8.8 carbon steel hex bolts, metric hex head bolts, zinc plated DIN 933 bolts, black oxide DIN 933 bolts, and hot dip galvanized DIN 933 bolts. Buyers can combine these with 标准紧固件 to support a wider distributor or factory supply plan.
详细规格表
| 规格项目 | 典型选项 | 买家须知 |
|---|---|---|
| 产品名称 | 12.9 级内六角螺钉 | 用于机械、工具和精密组件的高强度公制内六角螺钉。 |
| 尺寸标准 | ISO 4762、DIN 912，或买家图纸 | 订购前请确认头部直径、头部高度、套筒尺寸和螺纹长度。 |
| 线程 | 公制粗牙或细牙，全螺纹或局部螺纹 | 发送直径、螺距、长度和螺纹长度要求。 |
| 强度等级 | 12.9 级 / 属性类别 12.9 | 用于需要较高拉伸强度和夹紧载荷的地方。 |
| 材质 | 热处理合金钢 | 材料和热处理可根据订单要求进行审查。 |
| 完成 | 黑色氧化、普通涂油、磷酸盐、锌片、精选涂层 | 对于电镀饰面，应讨论工艺控制和脆化风险。 |
| 检查 | 尺寸检查、螺纹量规、硬度、拉伸试验、表面检查 | 可以根据采购订单和项目要求安排报告。 |
| 批发包装 | 散装纸箱、小盒子、袋子、木箱、托盘或组装套件 | Labels, barcodes, carton weight, item codes, and pallet layout are available upon request. |
最终产品规格应在生产和装运安排之前通过采购订单、图纸、样品或项目要求进行确认。
材质及牌号说明
Grade 12.9 socket head cap screws are typically manufactured from heat treated alloy steel to reach high tensile strength and hardness. The grade is commonly selected for molds, dies, tooling plates, clamping blocks, machine slides, automation equipment, and compact assemblies where external hex head access is limited.
与一般相比 碳钢紧固件、12.9 级螺钉需要对材料、热处理、螺纹质量和精加工工艺进行更严格的控制。处理多种公制规格的买家还可以查看 DIN和ISO紧固件标准指南 when comparing ISO 4762, DIN 912, and related descriptions.
12.9 级选型注意事项
- 适用于具有受控紧固的高强度公制组件。
- 通常用于内六角驱动器访问优于外六角驱动器的情况。
- 需要正确的配合螺纹啮合和合适的垫圈或阀座表面。
- 应仔细审查饰面选择的摩擦和脆化风险。
表面处理选择指南
常见批发饰面
含油黑色氧化物广泛用于 12.9 级内六角螺钉，因为它提供深色工业外观和轻型临时保护。当买家需要控制装配行为、存储保护或根据其应用进行进一步加工时，也可以提供普通涂油和磷酸盐饰面。
面向腐蚀的饰面
为了获得更高的耐腐蚀性，可以审查锌片或选定的涂层系统。由于氢脆问题，应仔细讨论 12.9 级螺钉的电镀表面处理。相关 涂层紧固件 当项目需要跨多个项目保持一致的外观和腐蚀规划时，可以一起报价。
制造和质量控制
Grade 12.9 socket head cap screws are produced through wire preparation, cold forming or machining where applicable, thread rolling, heat treatment, surface finishing, inspection, and packing. Wholesale supply control focuses on strength, dimensional accuracy, socket drive quality, thread fit, surface condition, and packing traceability according to order requirement.
For wholesale orders that include related 工业螺栓, washers, and nuts, XZ Fastener can help organize item-code sorting, mixed cartons, pallet labels, and inspection documents. This supports distributor replenishment, tooling maintenance, and repeated factory purchasing with fewer receiving errors.
典型检查点
- 头部直径、头部高度、套筒深度和套筒规格检查。
- 螺纹量规检查用于通配和非通配。
- 根据订单要求进行硬度和机械性能审查。
- 表面光洁度外观和涂层一致性检查。
- 包装数量、纸箱标签、物品代码和托盘计划验证。
应用领域
- 模具、模具、工装板和夹具夹紧系统。
- 自动化设备、机械框架、导轨和精密组件。
- 液压设备、压力机、机床和维护计划。
- Distributor stock, MRO kits, wholesale replenishment, and factory spare parts.
12.9 级内六角螺钉通常用于需要高夹紧力和紧凑头部间隙的地方。对于也需要垫圈的组件，XZ Fastener 可以审查匹配的 平垫圈 根据设备图纸和安装环境确定相关零部件。
如何获得更快的报价
要获得 12.9 级内六角螺钉的明确报价，请发送标准或图纸、直径、螺距、长度、螺纹长度、光洁度、数量、包装方式、交货目的地和检验要求。如果螺钉将用于工具或高负载组件，请附上应用说明和任何所需的测试报告。
对于批发订单， 联系方式 XZ Fastener with a structured size list and preferred packing details. Information such as carton quantity, item labels, barcode needs, pallet size, coating requirement, and inspection documents helps confirm supply and shipment planning more efficiently.
常问问题
12.9 级内六角螺钉常用什么标准？
ISO 4762 和DIN 912 通常用于公制内六角螺钉。当头部尺寸、套筒尺寸或螺纹长度很关键时，买家应确认所需的标准或提供图纸。
12.9 级内六角螺钉使用什么材料？
12.9 级内六角螺钉通常由热处理合金钢制成。确切的材料和工艺可以根据订单要求和项目规范进行审查。
12.9 级内六角螺钉推荐采用哪种表面处理？
带有油的黑色氧化物常见于 12.9 级内六角螺钉。可以审查锌片、磷酸盐、普通涂油和选定的涂层，而由于脆化问题，应仔细讨论电镀。
12.9 级内六角螺钉是否可以提供细牙螺纹？
可根据订单要求提供公制粗牙和细牙螺纹选项。询价时请提供直径、螺距、长度和螺纹长度。
批发订单可以索取哪些检验文件？
可根据订单要求安排尺寸检验、螺纹量规检验、硬度报告、机械性能报告、涂层检验、包装验证等文件。
How should wholesale orders be packed?
Wholesale orders can be packed in bulk cartons, small boxes, bags, wooden cases, or pallets. Item-code labels, mixed-size sorting, barcodes, carton weight limits, and pallet plans are available upon request.
发送您的 12.9 级内六角螺钉询价
For a faster quotation, send your size list, standard or drawing, finish, quantity, packaging method, delivery destination, and inspection requirements. XZ Fastener can review wholesale order details, coating selection, carton labels, pallet plan, mechanical testing, and any drawing-based requirements before production or shipment arrangement.
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