{"id":5800,"date":"2026-05-10T11:11:31","date_gmt":"2026-05-10T03:11:31","guid":{"rendered":"https:\/\/xzfastener.com\/?post_type=product&p=5800"},"modified":"2026-05-19T14:50:11","modified_gmt":"2026-05-19T06:50:11","slug":"metric-zinc-plated-carbon-steel-kep-nuts-k-lock-hex-nuts-with-external-tooth-washer-for-industrial-fastening","status":"publish","type":"product","link":"https:\/\/xzfastener.com\/ja\/products\/metric-zinc-plated-carbon-steel-kep-nuts-k-lock-hex-nuts-with-external-tooth-washer-for-industrial-fastening\/","title":{"rendered":"Metric Zinc Plated Carbon Steel Kep Nuts K Lock Hex Nuts with External Tooth Washer for Industrial Fastening"},"content":{"rendered":"

Product Description<\/h1>\n

Metric Zinc Plated Carbon Steel Kep Nuts K Lock Hex Nuts with External Tooth Lock Washer<\/h2>\n

Our Metric Zinc Plated Carbon Steel Kep Nuts<\/strong>, also known as K Lock Hex Nuts with External Tooth Lock Washer<\/strong>, are designed for secure and efficient fastening in industrial assembly, machinery repair, equipment maintenance, electrical equipment, automotive parts, and general hardware applications.<\/p>\n

This product combines a standard hex nut with an external tooth lock washer<\/strong>. During tightening, the toothed washer helps improve grip on the contact surface and helps reduce loosening caused by vibration or repeated movement. Compared with using a separate nut and washer, Kep nuts help simplify installation and reduce the risk of missing washers during assembly.<\/p>\n

Made from carbon steel<\/strong> and finished with zinc plating<\/strong>, these nuts provide a clean silver-blue appearance and practical surface protection for regular industrial fastening use.<\/p>\n

\n

Product Overview<\/h2>\n
\n
\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Item<\/th>\nDescription<\/th>\n<\/tr>\n<\/thead>\n
Product Name<\/td>\nMetric Zinc Plated Carbon Steel Kep Nut<\/td>\n<\/tr>\n
Product Type<\/td>\nKep Nut \/ K Lock Nut \/ Hex Nut with External Tooth Washer<\/td>\n<\/tr>\n
Nut Shape<\/td>\nHexagon Nut<\/td>\n<\/tr>\n
Washer Type<\/td>\nExternal Tooth Lock Washer<\/td>\n<\/tr>\n
Thread Type<\/td>\nMetric Thread<\/td>\n<\/tr>\n
Material<\/td>\nCarbon Steel<\/td>\n<\/tr>\n
Surface Finish<\/td>\nZinc Plated<\/td>\n<\/tr>\n
Color<\/td>\nSilver \/ Blue-White Zinc Appearance<\/td>\n<\/tr>\n
Main Function<\/td>\nFastening with locking washer effect<\/td>\n<\/tr>\n
Application<\/td>\nIndustrial Fastening, Machinery Assembly, Equipment Repair, Automotive Parts, Electrical Equipment<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n
\n

Key Features<\/h2>\n
    \n
  • Hex nut with external tooth lock washer<\/strong> for improved fastening stability<\/li>\n
  • Carbon steel material<\/strong> for regular industrial fastening applications<\/li>\n
  • Zinc plated surface<\/strong> for clean appearance and surface protection<\/li>\n
  • Metric internal thread<\/strong> for matching metric bolts and screws<\/li>\n
  • One-piece nut and washer combination<\/strong> helps simplify assembly<\/li>\n
  • Helps reduce the risk of washer loss during installation<\/li>\n
  • Suitable for bulk orders, repair use, production assembly, and hardware distribution<\/strong><\/li>\n<\/ul>\n
    \n

    How This Product Solves Buyer Problems<\/h2>\n

    1. Reduces Assembly Time<\/h3>\n

    The external tooth washer is combined with the hex nut, so workers do not need to install a separate washer. This helps improve assembly efficiency, especially in batch production.<\/p>\n

    2. Helps Reduce Loosening<\/h3>\n

    The external tooth washer increases grip on the mating surface during tightening. This makes the product suitable for fastening positions where vibration or movement may occur.<\/p>\n

    3. Easier Inventory Management<\/h3>\n

    Using Kep nuts can reduce the need to stock separate nuts and lock washers, helping buyers simplify purchasing and warehouse management.<\/p>\n

    4. Suitable for Metric Fastening Systems<\/h3>\n

    The metric thread design allows the nuts to be used with compatible metric bolts and screws, helping reduce mismatch problems during procurement.<\/p>\n

    5. Practical for Industrial and Repair Use<\/h3>\n

    These zinc plated carbon steel Kep nuts are suitable for machinery repair, equipment assembly, electrical equipment installation, automotive parts, and general fastening work.<\/p>\n

    \n

    Application Areas<\/h2>\n
    \n
    \n\n\n\n\n\n\n\n\n\n\n
    Application Area<\/th>\nTypical Use<\/th>\n<\/tr>\n<\/thead>\n
    Machinery Assembly<\/td>\nUsed for equipment connection and component fastening<\/td>\n<\/tr>\n
    Equipment Repair<\/td>\nReplacement fastening parts for maintenance work<\/td>\n<\/tr>\n
    Automotive Parts<\/td>\nUsed in fastening positions requiring better locking support<\/td>\n<\/tr>\n
    Electrical Equipment<\/td>\nUsed for panel, bracket, and component installation<\/td>\n<\/tr>\n
    Industrial Production<\/td>\nSuitable for batch assembly and production lines<\/td>\n<\/tr>\n
    Hardware Distribution<\/td>\nSuitable for wholesalers and fastener resellers<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n
    \n

    Product Advantages for Procurement<\/h2>\n
    \n
    \n\n\n\n\n\n\n\n\n\n\n
    Buyer Requirement<\/th>\nProduct Benefit<\/th>\n<\/tr>\n<\/thead>\n
    Need nut and washer together<\/td>\nOne-piece Kep nut design simplifies assembly<\/td>\n<\/tr>\n
    Need better locking support<\/td>\nExternal tooth washer helps improve grip<\/td>\n<\/tr>\n
    Need common industrial material<\/td>\nCarbon steel is suitable for regular fastening use<\/td>\n<\/tr>\n
    Need clean silver appearance<\/td>\nZinc plated finish provides a bright surface<\/td>\n<\/tr>\n
    Need metric fastener matching<\/td>\nMetric thread works with matching metric bolts and screws<\/td>\n<\/tr>\n
    Need bulk purchasing<\/td>\nSuitable for wholesale, project, and production orders<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n
    \n

    Recommended Quotation Information<\/h2>\n
    \n
    \n\n\n\n\n\n\n\n\n\n\n\n
    Required Information<\/th>\nExample<\/th>\n<\/tr>\n<\/thead>\n
    Size<\/td>\nMetric size required by your project<\/td>\n<\/tr>\n
    Material<\/td>\nCarbon Steel<\/td>\n<\/tr>\n
    Surface Finish<\/td>\nZinc Plated<\/td>\n<\/tr>\n
    Quantity<\/td>\nQuantity for each size<\/td>\n<\/tr>\n
    Packing Requirement<\/td>\nBulk packing, small box packing, carton packing<\/td>\n<\/tr>\n
    Matching Parts<\/td>\nBolts or screws if needed<\/td>\n<\/tr>\n
    Delivery Destination<\/td>\nDestination port or full delivery address<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n
    \n

    FAQ<\/h2>\n

    Q1: What is a Kep nut?<\/h3>\n

    A1: A Kep nut is a hex nut combined with an external tooth lock washer<\/strong>. It is also called a K Lock Nut<\/strong>.<\/p>\n

    Q2: What material is this product made from?<\/h3>\n

    A2: This product is made from carbon steel<\/strong>.<\/p>\n

    Q3: What surface finish does this Kep nut have?<\/h3>\n

    A3: The surface finish is zinc plated<\/strong>, with a silver \/ blue-white appearance.<\/p>\n

    Q4: What is the function of the external tooth washer?<\/h3>\n

    A4: The external tooth washer helps increase grip on the contact surface and helps reduce loosening during fastening.<\/p>\n

    Q5: Can this product replace a separate nut and lock washer?<\/h3>\n

    A5: Yes. This product combines the nut and external tooth lock washer together, helping simplify assembly.<\/p>\n

    Q6: What thread type does this product use?<\/h3>\n

    A6: This product uses metric thread<\/strong>.<\/p>\n

    Q7: What applications is this product suitable for?<\/h3>\n

    A7: It is suitable for industrial fastening, machinery assembly, equipment repair, automotive parts, electrical equipment, and general hardware use<\/strong>.<\/p>\n

    Q8: What information should I provide for a quotation?<\/h3>\n

    A8: Please provide the metric size, quantity, surface finish, packing requirement, and delivery destination<\/strong>.<\/p>","protected":false},"excerpt":{"rendered":"

    Product Description Metric Zinc Plated Carbon Steel Kep Nuts K Lock Hex Nuts with External Tooth Lock Washer Our Metric Zinc Plated Carbon Steel Kep Nuts, also known as K Lock Hex Nuts with External Tooth Lock Washer, are designed for secure and efficient fastening in industrial assembly, machinery repair, equipment maintenance, electrical equipment, automotive parts, and general hardware applications. This product combines a standard hex nut with an external tooth lock washer. During tightening, the toothed washer helps improve grip on the contact surface and helps reduce loosening caused by vibration or repeated movement. Compared with using a separate nut and washer, Kep nuts help simplify installation and reduce […]<\/p>\n","protected":false},"featured_media":5801,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"fastener-coating":[33,36,95,37,94],"fastener-material":[42,43],"fastener-type":[54],"product_brand":[],"product_cat":[22,28],"product_tag":[],"class_list":{"0":"post-5800","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"fastener-coating-electroplating-zinc","7":"fastener-coating-hot-dip-galvanizing","8":"fastener-coating-natural-finish","9":"fastener-coating-original-material","10":"fastener-coating-original-material-natural-finish","11":"fastener-material-carbon-steel","12":"fastener-material-stainless-steel","13":"fastener-type-nuts","14":"product_cat-standard-fasteners","15":"product_cat-custom-non-standard-fasteners","17":"first","18":"instock","19":"shipping-taxable","20":"product-type-simple"},"acf":[],"_links":{"self":[{"href":"https:\/\/xzfastener.com\/ja\/wp-json\/wp\/v2\/product\/5800","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/xzfastener.com\/ja\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/xzfastener.com\/ja\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/xzfastener.com\/ja\/wp-json\/wp\/v2\/comments?post=5800"}],"version-history":[{"count":1,"href":"https:\/\/xzfastener.com\/ja\/wp-json\/wp\/v2\/product\/5800\/revisions"}],"predecessor-version":[{"id":5802,"href":"https:\/\/xzfastener.com\/ja\/wp-json\/wp\/v2\/product\/5800\/revisions\/5802"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/xzfastener.com\/ja\/wp-json\/wp\/v2\/media\/5801"}],"wp:attachment":[{"href":"https:\/\/xzfastener.com\/ja\/wp-json\/wp\/v2\/media?parent=5800"}],"wp:term":[{"taxonomy":"fastener-coating","embeddable":true,"href":"https:\/\/xzfastener.com\/ja\/wp-json\/wp\/v2\/fastener-coating?post=5800"},{"taxonomy":"fastener-material","embeddable":true,"href":"https:\/\/xzfastener.com\/ja\/wp-json\/wp\/v2\/fastener-material?post=5800"},{"taxonomy":"fastener-type","embeddable":true,"href":"https:\/\/xzfastener.com\/ja\/wp-json\/wp\/v2\/fastener-type?post=5800"},{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/xzfastener.com\/ja\/wp-json\/wp\/v2\/product_brand?post=5800"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/xzfastener.com\/ja\/wp-json\/wp\/v2\/product_cat?post=5800"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/xzfastener.com\/ja\/wp-json\/wp\/v2\/product_tag?post=5800"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}