stainless steel nylon lock nuts factory for DIN 985 and Custom Metric Orders
XZ Fastener manufactures stainless steel nylon lock nuts for machinery, automotive brackets, electrical equipment, marine hardware, and vibration-prone assemblies. Available in DIN 985, ISO 10511 style, UNC/UNF, and custom drawing requirements, these nuts use a nylon insert to create prevailing torque and help reduce loosening under dynamic load. Buyers can specify A2/304, A4/316, thread pitch, insert color, finish, packing, and inspection level. Stainless nylon lock nuts can be sourced with bolts, washers, and other 紧固件产品 完整的组装采购。
快速规格
买家在采购不锈钢尼龙锁紧螺母之前应了解什么
Stainless steel nylon lock nuts, also called nylon insert lock nuts or Nyloc nuts, use a non-metallic insert at the top of the nut. During assembly, the mating bolt thread engages the nylon insert and creates prevailing torque. This helps resist loosening caused by vibration, repeated movement, or light impact, while still allowing practical installation with standard tools.
For metric orders, many buyers specify DIN 985尼龙锁紧螺母. High-temperature assemblies should be reviewed carefully because nylon inserts have temperature limits. For heat exposure, all-metal lock nuts may be a better option than nylon insert types.
重要的采购检查
- Confirm low type DIN 985 or high type DIN 982 before quotation.
- 明确指定公制粗牙、公制细牙、UNC或UNF螺纹。
- Check whether the nylon insert color must be white, blue, black, or buyer-specific.
- Confirm whether prevailing torque testing is required for the order.
- Review working temperature, chemical exposure, and vibration conditions before selecting nylon insert lock nuts.
For assemblies exposed to movement, this guide to 防松紧固件 helps buyers compare nylon lock nuts, all-metal lock nuts, washers, thread lockers, and other fastening methods.
常见采购说明
Clear purchasing descriptions reduce back-and-forth during quotation and help the factory quote the correct body material, nylon insert, thread, inspection level, and packaging method.
- DIN 985 A2-70 stainless steel nylon lock nuts, M6-M20, metric coarse thread, white nylon insert, plain finish.
- DIN 982 A4-70 stainless steel high type nylon insert lock nuts, M8, M10, M12, passivated finish.
- 316 不锈钢尼龙锁紧螺母，UNC螺纹，蓝色尼龙嵌件，带买家标签的小盒包装。
- A2 stainless steel Nyloc nuts for machinery assembly, carton and pallet packing, thread gauge inspection required.
- Mixed stock order with stainless nylon lock nuts, flat washers, spring washers, and metric hex head bolts.
- Assembly package including DIN 933 full thread hex bolts, Grade 8.8 carbon steel hex bolts, zinc plated DIN 933 bolts, black oxide DIN 933 bolts, and hot dip galvanized DIN 933 bolts for distributor stock.
详细规格表
| 规格项目 | 典型选项 | 采购须知 |
|---|---|---|
| 产品类型 | 尼龙嵌件锁紧螺母、尼龙锁紧螺母、常用扭矩锁紧螺母、不锈钢锁紧螺母 | 确认订单是否需要低型、高型、法兰型或定制设计。 |
| 标准参考 | DIN 985、DIN 982、ISO 10511 款式、ISO 7040 款式、ASME inch 款式、定制图纸 | 标准名称应包含尺寸、间距、材料、插入颜色和表面处理细节。 |
| 尺寸范围 | 常用公制尺寸M3-M30；可根据要求提供更大的公制或英制尺寸 | MOQ and lead time may vary for uncommon sizes, fine threads, and special insert colors. |
| 线程 | 公制粗牙、公制细牙、UNC、UNF | 清楚地注明螺距，尤其是M10、M12和英制螺纹订单。 |
| 螺母本体材质 | 304/A2 不锈钢、316/A4 不锈钢、316L 不锈钢 | A4/316 建议用于海洋、沿海、潮湿和暴露于氯化物的应用。 |
| 尼龙嵌件 | PA66 尼龙嵌件，白色、蓝色、黑色，或根据要求定制颜色 | Confirm operating temperature and chemical exposure before selecting nylon insert lock nuts. |
| 财产类别 | A2-50, A2-70, A4-70, A4-80 | 将螺母等级与螺栓材料、扭矩要求和应用负载相匹配。 |
| 完成 | 普通、钝化、光亮清洁、润滑、打蜡或特殊表面处理 | 润滑有助于减少拧紧过程中不锈钢与不锈钢之间的磨损。 |
| 检查 | 尺寸检查、螺纹通/止规、目视检查、现行扭矩测试（如果需要） | 可根据订单要求提供检验报告。 |
| 包装 | 散装纸箱、内袋、小盒、带托盘的纸箱、中性标签、买家标签 | 包括纸箱重量限制、条码规则、托盘高度和仓库收货要求。 |
材质及牌号说明
A2 / 304 不锈钢 is commonly selected for general machinery, indoor equipment, electrical enclosures, furniture hardware, and many light outdoor applications. It provides practical corrosion resistance and is widely available for standard DIN 985 and DIN 982 size ranges.
A4 / 316 不锈钢 is preferred for marine, coastal, water treatment, food equipment, and chemical-adjacent environments where stronger corrosion resistance is required. If the assembly uses stainless bolts and washers, buyers should review material pairing and galling risk before confirming the order.
PA66尼龙嵌件 provide prevailing torque and help resist vibration loosening. The insert is not intended for high-temperature applications, so heat exposure should be discussed before placing an order.
装配兼容性
对于完整的组件，请检查螺栓、螺母、垫圈、材料、表面处理和螺纹。本指南旨在 匹配的不锈钢螺栓、螺母和垫圈 is useful when preparing a full bill of materials for stainless fastening.
When vibration resistance is the key reason for choosing lock nuts, buyers can also compare joint conditions using this 紧固件抗振指南.
表面处理选择指南
Stainless steel nylon lock nuts are often supplied plain or passivated because the stainless body provides the main corrosion resistance. Finish selection should also consider the mating bolt, assembly torque, storage environment, and cleanliness requirements.
| 完成选项 | 适合用途 | 买家考虑 |
|---|---|---|
| 普通不锈钢 | 通用不锈钢组件、室内机械、经销商库存 | Common and practical for many DIN 985 lock nut orders. |
| 钝化不锈钢 | 户外、潮湿、邻近海洋和腐蚀敏感的组件 | 有助于改善成型、攻丝、处理和清洁后的表面状况。 |
| 明亮清洁 | Visible hardware, clean assembly, retail or kit packing | 生产前确认外观期望和包装方法。 |
| 润滑或打蜡 | 不锈钢对不锈钢的紧固，必须降低磨损风险 | 确认润滑剂是否影响扭矩值、清洁度或客户要求。 |
| 碳钢镀层替代品 | 成本敏感或不需要不锈钢的室内组件 | 镀锌、黑色氧化和热浸镀锌选项应与不锈钢订单分开指定。 |
If the order includes both stainless and carbon steel fasteners, keep material and finish labels separate to avoid mixing parts during receiving and installation.
制造和质量控制
不锈钢尼龙锁紧螺母通常通过冷成型不锈钢螺母本体、攻丝、插入尼龙环、清洁零件并完成最终检查来生产。对于特殊尺寸、英制螺纹或非标准几何形状，可能需要机械加工或定制工具。嵌件保持力、螺纹质量和视觉状况都很重要，因为尼龙嵌件必须与配套螺栓一致啮合。
质量控制可包括原材料验证、尺寸检查、螺纹通/止规检查、刀片位置检查、目视表面检查以及必要时的现行扭矩测试。买家可以在本指南中查看更广泛的检查点 紧固件质量控制.
工厂检验点
- 在尼龙嵌件接合之前，螺纹运行平稳。
- 尼龙嵌件安装均匀，无裂纹或松动。
- 对边、高度、螺纹深度、倒角符合确认的标准或图纸。
- 当买方要求时，检查有效扭矩。
- 纸箱标签匹配尺寸、材料、插入物颜色、表面处理、批次和数量。
- Packing avoids mixed sizes, mixed materials, or contaminated stainless surfaces.
应用领域
机械设备
用于振动可能导致标准螺母松动的盖子、防护装置、支架、框架、调整点和维修面板。
汽车和运输
适用于需要可重复防松性能的支架、夹具、车身硬件和维护套件。
船用和户外硬件
A4/316 不锈钢尼龙锁紧螺母通常用于潮湿、沿海和温度合适的户外暴露。
电气外壳
用于机柜面板、安装板、接地支架和不锈钢设备硬件。
建筑配件
应用于需要不锈钢耐腐蚀的支架、轻型框架、导轨硬件和组装套件。
经销商库存
Common metric and inch sizes can be supplied in bulk cartons, small boxes, bags, and buyer-labeled pallets.
如何获得更快的报价
A complete inquiry helps the factory quote the correct lock nut type, insert, inspection level, packaging, and lead time without repeated clarification.
- 发送标准或图纸：DIN 985、DIN 982、ISO款式、ASME款式或定制图纸。
- 列出尺寸和间距：例如，M5、M6、M8、M10、M12、M16、UNC或UNF。
- 确认不锈钢牌号和性能等级：A2-70、A4-70、A4-80、304、316 或 316L。
- 说明尼龙嵌件颜色以及是否需要进行现行扭矩测试。
- 按尺寸提供数量，包括样品订单、批量订单或经常性库存需求。
- 共享表面处理、钝化、润滑、清洁或外观要求。
- 指定包装：散装纸箱、内袋、小盒子、托盘、条形码、中性标签或买家标签。
- 包括螺纹量规、尺寸报告、材料文件、装运前照片或第三方检验等检验要求。
- 对于最终定价和生产时间， 联系方式 XZ Fastener 附上您的完整尺寸清单和目标包装方法。
常问问题
Can stainless steel nylon lock nuts be supplied according to DIN 985?
Yes. Stainless steel nylon lock nuts can be supplied according to DIN 985, DIN 982, ISO-style dimensions, ASME inch style, or buyer drawings. Please confirm size, pitch, material, insert color, finish, and inspection requirement.
DIN 985和DIN 982尼龙锁紧螺母有什么区别？
DIN 985常用于低型尼龙嵌件锁紧螺母，而DIN 982是较高型尼龙嵌件锁紧螺母。买家应确认所需的标准，因为螺母高度会影响装配间隙和螺纹啮合。
Should I choose A2 or A4 stainless steel nylon lock nuts?
A2/304 适用于许多一般工业和室内用途。 A4/316推荐用于需要更强耐腐蚀性的海洋、沿海、潮湿和化学品邻近环境。
尼龙锁紧螺母是否适合高温应用？
应仔细检查尼龙嵌件锁紧螺母是否适合高温应用，因为嵌件有热限制。对于更高的热暴露，全金属锁紧螺母可能是更合适的选择。
Can stainless nylon lock nuts be supplied with matching bolts and washers?
是的。买家经常要求不锈钢尼龙锁紧螺母以及垫圈和螺栓，包括公制六角头螺栓和DIN 933 全螺纹六角螺栓。提供完整尺寸列表有助于确认螺纹配合、材料配对、表面处理和包装。
What inspection can be requested for stainless steel nylon lock nuts?
Buyers can request dimensional inspection, thread Go/No-Go gauge checking, insert position inspection, visual inspection, material documents, and prevailing torque testing according to order requirement.
Send Your Stainless Steel Nylon Lock Nut Inquiry
For a faster quotation, send your size list, finish, quantity, packaging, and inspection requirements. If the lock nuts are part of a larger assembly, include the matching bolt standard, washer type, material grade, insert color, and packing details so XZ Fastener can review thread fit and supply conditions together.
向 XZ Fastener 索取报价
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