{"product_id":"150pcs-assorted-external-internal-toothed-serrated-lock-washers-m3-m8-stainless-steel-304-a2-70-set-for-hardware","title":"150pcs Assorted External \u0026 Internal Toothed Serrated Lock Washers M3-M8 Stainless Steel 304 A2-70 Set for Hardware","description":"150pcs assorted stainless steel lock washers M3-M8, external \u0026amp; internal toothed serrated, for hardware \u0026amp; electrical DIY projects. Durable 304 A2-70 material, satin finish, made in Mainland China.\n\u003cul class=\"seo-sellpoints--sellerPoint--RcmFO_y\"\u003e\n\u003cli\u003e\u003cpre\u003e\u003cstrong\u003e150pcs assorted lock washers set\u003c\/strong\u003e This pack includes \u003cstrong\u003e150 pieces\u003c\/strong\u003e of assorted external and internal toothed serrated lock washers, ideal for securing bolts and screws in various hardware applications with reliable performance.\u003c\/pre\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cpre\u003e\u003cstrong\u003eStainless steel 304 A2-70 material\u003c\/strong\u003e Made from high-quality \u003cstrong\u003estainless steel 304 A2-70\u003c\/strong\u003e, these washers offer excellent corrosion resistance and durability, making them suitable for both indoor and outdoor use in demanding environments.\u003c\/pre\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cpre\u003e\u003cstrong\u003eCompatible with M3-M8 fasteners\u003c\/strong\u003e Designed for use with \u003cstrong\u003eM3 to M8\u003c\/strong\u003e threaded fasteners, this versatile set fits a wide range of hardware projects, from electronics to machinery, ensuring secure and stable connections.\u003c\/pre\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cpre\u003e\u003cstrong\u003eExternal and internal toothed serrated design\u003c\/strong\u003e Featuring both \u003cstrong\u003eexternal and internal toothed serrated edges\u003c\/strong\u003e, these washers provide superior grip and locking action, preventing loosening due to vibration or movement.\u003c\/pre\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cpre\u003e\u003cstrong\u003eSmooth satin finish for durability\u003c\/strong\u003e The \u003cstrong\u003esatin finish\u003c\/strong\u003e enhances appearance while improving resistance to wear and scratches, maintaining a clean, professional look over time with consistent performance.\u003c\/pre\u003e\u003c\/li\u003e\n\u003cli style=\"display: none;\"\u003e\u003cpre\u003e\u003cstrong\u003eSingle-piece packaging for convenience\u003c\/strong\u003e Each washer is sold as \u003cstrong\u003eone piece per pack\u003c\/strong\u003e, allowing easy selection, storage, and replacement without unnecessary bulk, ideal for DIY and repair projects.\u003c\/pre\u003e\u003c\/li\u003e\n\u003cli style=\"display: none;\"\u003e\u003cpre\u003e\u003cstrong\u003eOrigin: Mainland China\u003c\/strong\u003e Manufactured in \u003cstrong\u003eMainland China\u003c\/strong\u003e, this set offers reliable quality and cost-effective value, making it a practical choice for hobbyists, technicians, and industrial users alike.\u003c\/pre\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv id=\"product-description\" data-spm=\"1000023\" class=\"description--product-description--Mjtql28\" data-pl=\"product-description\"\u003e\u003cdiv\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cdiv style='font-family:Inter, -apple-system, BlinkMacSystemFont, \"Segoe UI\", \"SF Pro SC\", \"SF Pro Display\", \"SF Pro Icons\", \"PingFang SC\", \"Hiragino Sans GB\", \"Microsoft YaHei\", \"Helvetica Neue\", Helvetica, Arial, sans-serif;font-size:16px;font-weight:400;letter-spacing:normal;line-height:var(--md-box-samantha-normal-text-line-height);text-align:start;white-space:normal;color:var(--md-box-samantha-normal-text-color);background-color:rgb(255, 255, 255);margin-top:0px;box-sizing:border-box' class=\"auto-hide-last-sibling-br paragraph-qzbcQC paragraph-element br-paragraph-space\" align=\"start\"\u003e\u003cspan style=\"color:var(--md-box-samantha-deep-text-color);font-size:var(--md-box-samantha-normal-text-font-size)\"\u003e\u003cstrong\u003eProduct Details\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cdiv style='font-family:Inter, -apple-system, BlinkMacSystemFont, \"Segoe UI\", \"SF Pro SC\", \"SF Pro Display\", \"SF Pro Icons\", \"PingFang SC\", \"Hiragino Sans GB\", \"Microsoft YaHei\", \"Helvetica Neue\", Helvetica, Arial, sans-serif;font-size:16px;font-weight:400;letter-spacing:normal;line-height:var(--md-box-samantha-normal-text-line-height);text-align:start;white-space:normal;color:var(--md-box-samantha-normal-text-color);background-color:rgb(255, 255, 255);box-sizing:border-box' class=\"auto-hide-last-sibling-br paragraph-qzbcQC paragraph-element br-paragraph-space\" align=\"start\"\u003e\u003cspan style=\"color:var(--md-box-samantha-deep-text-color);font-size:var(--md-box-samantha-normal-text-font-size)\"\u003e\u003cstrong\u003eBasic Information\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cul style='font-family:Inter, -apple-system, BlinkMacSystemFont, \"Segoe UI\", \"SF Pro SC\", \"SF Pro Display\", \"SF Pro Icons\", \"PingFang SC\", \"Hiragino Sans GB\", \"Microsoft YaHei\", \"Helvetica Neue\", Helvetica, Arial, sans-serif;font-size:16px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);margin-bottom:var(--md-box-samantha-li-margin);margin-top:var(--md-box-samantha-li-margin);padding-left:20px;box-sizing:border-box' class=\"auto-hide-last-sibling-br\" align=\"start\"\u003e\n\u003cli style=\"font-size:var(--md-box-samantha-normal-text-font-size);font-weight:400;line-height:var(--md-box-samantha-normal-text-line-height);color:var(--md-box-samantha-normal-text-color);padding-left:4px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"color:var(--md-box-samantha-deep-text-color);font-size:var(--md-box-samantha-normal-text-font-size)\"\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/span\u003e: 150 pieces (pcs). The sufficient quantity can meet the usage requirements of a certain scale.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"font-size:var(--md-box-samantha-normal-text-font-size);font-weight:400;line-height:var(--md-box-samantha-normal-text-line-height);color:var(--md-box-samantha-normal-text-color);margin-top:var(--md-box-samantha-li-margin);padding-left:4px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"color:var(--md-box-samantha-deep-text-color);font-size:var(--md-box-samantha-normal-text-font-size)\"\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/span\u003e: The size ranges from M3 to M8, covering a variety of common screw specifications. It has strong versatility and is suitable for the connection of bolts and nuts of different sizes.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"font-size:var(--md-box-samantha-normal-text-font-size);font-weight:400;line-height:var(--md-box-samantha-normal-text-line-height);color:var(--md-box-samantha-normal-text-color);margin-top:var(--md-box-samantha-li-margin);padding-left:4px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"color:var(--md-box-samantha-deep-text-color);font-size:var(--md-box-samantha-normal-text-font-size)\"\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/span\u003e: It includes external and internal toothed serrated lock washers. This combination can provide a more reliable locking effect.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"font-size:var(--md-box-samantha-normal-text-font-size);font-weight:400;line-height:var(--md-box-samantha-normal-text-line-height);color:var(--md-box-samantha-normal-text-color);margin-top:var(--md-box-samantha-li-margin);padding-left:4px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"color:var(--md-box-samantha-deep-text-color);font-size:var(--md-box-samantha-normal-text-font-size)\"\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/span\u003e: Made of 304 stainless steel, which contains alloy elements such as chromium and nickel. It has extremely strong corrosion resistance and is suitable for various harsh environments such as humidity and chemical corrosion.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"font-size:var(--md-box-samantha-normal-text-font-size);font-weight:400;line-height:var(--md-box-samantha-normal-text-line-height);color:var(--md-box-samantha-normal-text-color);margin-top:var(--md-box-samantha-li-margin);padding-left:4px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"color:var(--md-box-samantha-deep-text-color);font-size:var(--md-box-samantha-normal-text-font-size)\"\u003e\u003cstrong\u003eGrade\u003c\/strong\u003e\u003c\/span\u003e: Grade A2-70 means that it has been cold-worked, with a minimum tensile strength of 700MPa, having high strength and good plasticity.\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cdiv style='font-family:Inter, -apple-system, BlinkMacSystemFont, \"Segoe UI\", \"SF Pro SC\", \"SF Pro Display\", \"SF Pro Icons\", \"PingFang SC\", \"Hiragino Sans GB\", \"Microsoft YaHei\", \"Helvetica Neue\", Helvetica, Arial, sans-serif;font-size:16px;font-weight:400;letter-spacing:normal;line-height:var(--md-box-samantha-normal-text-line-height);text-align:start;white-space:normal;color:var(--md-box-samantha-normal-text-color);background-color:rgb(255, 255, 255);box-sizing:border-box' class=\"auto-hide-last-sibling-br paragraph-qzbcQC paragraph-element br-paragraph-space\" align=\"start\"\u003e\u003cspan style=\"color:var(--md-box-samantha-deep-text-color);font-size:var(--md-box-samantha-normal-text-font-size)\"\u003e\u003cstrong\u003eProduct Features\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cul style='font-family:Inter, -apple-system, BlinkMacSystemFont, \"Segoe UI\", \"SF Pro SC\", \"SF Pro Display\", \"SF Pro Icons\", \"PingFang SC\", \"Hiragino Sans GB\", \"Microsoft YaHei\", \"Helvetica Neue\", Helvetica, Arial, sans-serif;font-size:16px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);margin-bottom:var(--md-box-samantha-li-margin);margin-top:var(--md-box-samantha-li-margin);padding-left:20px;box-sizing:border-box' class=\"auto-hide-last-sibling-br\" align=\"start\"\u003e\n\u003cli style=\"font-size:var(--md-box-samantha-normal-text-font-size);font-weight:400;line-height:var(--md-box-samantha-normal-text-line-height);color:var(--md-box-samantha-normal-text-color);padding-left:4px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"color:var(--md-box-samantha-deep-text-color);font-size:var(--md-box-samantha-normal-text-font-size)\"\u003e\u003cstrong\u003eSuperior Locking Performance\u003c\/strong\u003e\u003c\/span\u003e: The design of external and internal toothed serrations can embed into the surface of the connected parts when tightening the nut or bolt, increasing the friction force, effectively preventing the nut or bolt from loosening, and ensuring the firmness of the connection. It is suitable for occasions with vibration or impact.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"font-size:var(--md-box-samantha-normal-text-font-size);font-weight:400;line-height:var(--md-box-samantha-normal-text-line-height);color:var(--md-box-samantha-normal-text-color);margin-top:var(--md-box-samantha-li-margin);padding-left:4px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"color:var(--md-box-samantha-deep-text-color);font-size:var(--md-box-samantha-normal-text-font-size)\"\u003e\u003cstrong\u003eStrong Corrosion Resistance\u003c\/strong\u003e\u003c\/span\u003e: The 304 stainless steel material endows the washer with excellent corrosion resistance. It can resist the erosion of chemical substances such as acids, alkalis, and salts, as well as the influence of environments such as humid air and seawater, extending the service life and reducing the maintenance and replacement costs caused by corrosion.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"font-size:var(--md-box-samantha-normal-text-font-size);font-weight:400;line-height:var(--md-box-samantha-normal-text-line-height);color:var(--md-box-samantha-normal-text-color);margin-top:var(--md-box-samantha-li-margin);padding-left:4px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"color:var(--md-box-samantha-deep-text-color);font-size:var(--md-box-samantha-normal-text-font-size)\"\u003e\u003cstrong\u003eHigh Strength and Durability\u003c\/strong\u003e\u003c\/span\u003e: The high-strength characteristics of grade A2-70 enable the washer to withstand high tensile and compressive forces, maintaining stable performance during long-term use, and being not easy to deform or damage. It can adapt to various high-load application scenarios.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"font-size:var(--md-box-samantha-normal-text-font-size);font-weight:400;line-height:var(--md-box-samantha-normal-text-line-height);color:var(--md-box-samantha-normal-text-color);margin-top:var(--md-box-samantha-li-margin);padding-left:4px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"color:var(--md-box-samantha-deep-text-color);font-size:var(--md-box-samantha-normal-text-font-size)\"\u003e\u003cstrong\u003eGood Versatility\u003c\/strong\u003e\u003c\/span\u003e: The combination of various specifications from M3 to M8 can be used in conjunction with bolts and nuts of different sizes, and is applicable to the fastening connections in various fields such as mechanical equipment, furniture, and construction, meeting diverse hardware installation needs.\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cdiv style='font-family:Inter, -apple-system, BlinkMacSystemFont, \"Segoe UI\", \"SF Pro SC\", \"SF Pro Display\", \"SF Pro Icons\", \"PingFang SC\", \"Hiragino Sans GB\", \"Microsoft YaHei\", \"Helvetica Neue\", Helvetica, Arial, sans-serif;font-size:16px;font-weight:400;letter-spacing:normal;line-height:var(--md-box-samantha-normal-text-line-height);text-align:start;white-space:normal;color:var(--md-box-samantha-normal-text-color);background-color:rgb(255, 255, 255);box-sizing:border-box' class=\"auto-hide-last-sibling-br paragraph-qzbcQC paragraph-element br-paragraph-space\" align=\"start\"\u003e\u003cspan style=\"color:var(--md-box-samantha-deep-text-color);font-size:var(--md-box-samantha-normal-text-font-size)\"\u003e\u003cstrong\u003eApplication Scenarios\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cul style='font-family:Inter, -apple-system, BlinkMacSystemFont, \"Segoe UI\", \"SF Pro SC\", \"SF Pro Display\", \"SF Pro Icons\", \"PingFang SC\", \"Hiragino Sans GB\", \"Microsoft YaHei\", \"Helvetica Neue\", Helvetica, Arial, sans-serif;font-size:16px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);margin-bottom:var(--md-box-samantha-li-margin);margin-top:var(--md-box-samantha-li-margin);padding-left:20px;box-sizing:border-box' class=\"auto-hide-last-sibling-br\" align=\"start\"\u003e\n\u003cli style=\"font-size:var(--md-box-samantha-normal-text-font-size);font-weight:400;line-height:var(--md-box-samantha-normal-text-line-height);color:var(--md-box-samantha-normal-text-color);padding-left:4px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"color:var(--md-box-samantha-deep-text-color);font-size:var(--md-box-samantha-normal-text-font-size)\"\u003e\u003cstrong\u003eIndustrial Equipment\u003c\/strong\u003e\u003c\/span\u003e: In the assembly and maintenance of equipment such as machine tools, generators, and cranes, it is used to fix various components, ensuring that the bolts will not loosen due to vibration during the operation of the equipment.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"font-size:var(--md-box-samantha-normal-text-font-size);font-weight:400;line-height:var(--md-box-samantha-normal-text-line-height);color:var(--md-box-samantha-normal-text-color);margin-top:var(--md-box-samantha-li-margin);padding-left:4px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"color:var(--md-box-samantha-deep-text-color);font-size:var(--md-box-samantha-normal-text-font-size)\"\u003e\u003cstrong\u003eConstruction Field\u003c\/strong\u003e\u003c\/span\u003e: In the connection of building structures, door and window installation, and steel structure construction, it can ensure the firmness and stability of the connection and withstand the influence of natural factors such as wind and rain.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"font-size:var(--md-box-samantha-normal-text-font-size);font-weight:400;line-height:var(--md-box-samantha-normal-text-line-height);color:var(--md-box-samantha-normal-text-color);margin-top:var(--md-box-samantha-li-margin);padding-left:4px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"color:var(--md-box-samantha-deep-text-color);font-size:var(--md-box-samantha-normal-text-font-size)\"\u003e\u003cstrong\u003eAutomobile Manufacturing\u003c\/strong\u003e\u003c\/span\u003e: It is used for the connection of components in parts such as the engine, chassis, and body of automobiles. It can withstand the vibration and impact during the driving process of the automobile, ensuring driving safety.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"font-size:var(--md-box-samantha-normal-text-font-size);font-weight:400;line-height:var(--md-box-samantha-normal-text-line-height);color:var(--md-box-samantha-normal-text-color);margin-top:var(--md-box-samantha-li-margin);padding-left:4px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"color:var(--md-box-samantha-deep-text-color);font-size:var(--md-box-samantha-normal-text-font-size)\"\u003e\u003cstrong\u003eFurniture Making\u003c\/strong\u003e\u003c\/span\u003e: In the assembly of furniture such as tables, chairs, cabinets, and bookshelves, it can make the connection more stable and prevent the furniture from loosening and shaking during use.\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cdiv style='font-family:Inter, -apple-system, BlinkMacSystemFont, \"Segoe UI\", \"SF Pro SC\", \"SF Pro Display\", \"SF Pro Icons\", \"PingFang SC\", \"Hiragino Sans GB\", \"Microsoft YaHei\", \"Helvetica Neue\", Helvetica, Arial, sans-serif;font-size:16px;font-weight:400;letter-spacing:normal;line-height:var(--md-box-samantha-normal-text-line-height);text-align:start;white-space:normal;color:var(--md-box-samantha-normal-text-color);background-color:rgb(255, 255, 255);box-sizing:border-box' class=\"auto-hide-last-sibling-br paragraph-qzbcQC paragraph-element br-paragraph-space\" align=\"start\"\u003e\u003cspan style=\"color:var(--md-box-samantha-deep-text-color);font-size:var(--md-box-samantha-normal-text-font-size)\"\u003e\u003cstrong\u003eQuality Assurance\u003c\/strong\u003e\u003c\/span\u003e\u003c\/div\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cul style='font-family:Inter, -apple-system, BlinkMacSystemFont, \"Segoe UI\", \"SF Pro SC\", \"SF Pro Display\", \"SF Pro Icons\", \"PingFang SC\", \"Hiragino Sans GB\", \"Microsoft YaHei\", \"Helvetica Neue\", Helvetica, Arial, sans-serif;font-size:16px;font-weight:400;letter-spacing:normal;text-align:start;white-space:normal;color:rgb(0, 0, 0);background-color:rgb(255, 255, 255);margin-bottom:0px;margin-top:var(--md-box-samantha-li-margin);padding-left:20px;box-sizing:border-box' class=\"auto-hide-last-sibling-br\" align=\"start\"\u003e\n\u003cli style=\"font-size:var(--md-box-samantha-normal-text-font-size);font-weight:400;line-height:var(--md-box-samantha-normal-text-line-height);color:var(--md-box-samantha-normal-text-color);padding-left:4px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"color:var(--md-box-samantha-deep-text-color);font-size:var(--md-box-samantha-normal-text-font-size)\"\u003e\u003cstrong\u003eCompliance with Standards\u003c\/strong\u003e\u003c\/span\u003e: The product may comply with relevant international, national or industry standards, such as ISO standards, GB standards, etc., ensuring the consistency and reliability of product quality and performance.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli style=\"font-size:var(--md-box-samantha-normal-text-font-size);font-weight:400;line-height:var(--md-box-samantha-normal-text-line-height);color:var(--md-box-samantha-normal-text-color);margin-top:var(--md-box-samantha-li-margin);padding-left:4px;box-sizing:border-box\"\u003e\u003cp\u003e\u003cspan style=\"color:var(--md-box-samantha-deep-text-color);font-size:var(--md-box-samantha-normal-text-font-size)\"\u003e\u003cstrong\u003eHigh-quality Production Process\u003c\/strong\u003e\u003c\/span\u003e: Manufactured using advanced production processes and equipment, the washer has high dimensional accuracy, regular toothed shapes, and good surface finish, thus ensuring the product quality and usage effect.\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"KEYEAD","offers":[{"title":"Default Title","offer_id":64595597427059,"sku":"1005008952676289","price":6.34,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/6383\/8579\/files\/S475e235721fe42fe82e006d689b99c6de.webp?v=1788360267","url":"https:\/\/keyead.com\/products\/150pcs-assorted-external-internal-toothed-serrated-lock-washers-m3-m8-stainless-steel-304-a2-70-set-for-hardware","provider":"keyead","version":"1.0","type":"link"}