{"id":4654,"date":"2025-12-17T23:48:07","date_gmt":"2025-12-17T22:48:07","guid":{"rendered":"https:\/\/www.penagrup.com\/products\/extrusion\/husillo\/"},"modified":"2026-06-16T15:35:44","modified_gmt":"2026-06-16T13:35:44","slug":"single-screw-and-barrel-assemblies","status":"publish","type":"page","link":"https:\/\/www.penagrup.com\/en\/products\/extrusion\/single-screw-and-barrel-assemblies\/","title":{"rendered":"Single Screw &amp; Barrel"},"content":{"rendered":"\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\r\n\t\t<div  class=\"block-3c8465c3-e2a5-418f-9b49-66cf1a56aa34 areoi-element container\">\r\n\t\t\t\r\n\t\t\t\n\r\n\t\t<nav  \r\n\t\t\t \r\n\t\t\tclass=\"block-4061626f-9335-45d5-b1d6-7e4f8d4e33a5 breadcrumb\" \r\n\t\t\taria-label=\"breadcrumb\"\r\n\t\t\tstyle=\"--bs-breadcrumb-divider: '&gt;';\"\r\n\t\t>\r\n\t\t\t<ol class=\"breadcrumb\">\r\n\t\t\t\t<li class=\"breadcrumb-item\"><a href=\"https:\/\/www.penagrup.com\/en\/\">Home<\/a><\/li><li class=\"breadcrumb-item\"><a href=\"https:\/\/www.penagrup.com\/en\/products\/\">Products<\/a><\/li><li class=\"breadcrumb-item\"><a href=\"https:\/\/www.penagrup.com\/en\/products\/extrusion\/\">Extrusion<\/a><\/li><li class=\"breadcrumb-item active\" aria-current=\"page\">Single Screw &amp; Barrel<\/li>\r\n\t\t\t<\/ol>\r\n\t\t<\/nav>\r\n\t\n\n\r\n\t\t<div  class=\"block-92431121-1609-46b3-86c2-1e9b86dbdc94 row areoi-element\">\r\n\t\t\t\r\n\r\n\t\t\t\n\r\n\t\t<div  class=\"block-26fd714b-9202-46ef-afa7-9fc1d720fddc col areoi-element\">\r\n\t\t\t\r\n\t\t\t\n\n<h1 class=\"wp-block-heading h2\">Single Cylinder-Screw<\/h1>\n\n\n\n<p class=\"has-text-color has-link-color wp-elements-e826a73ae9b9caf5d77d1b88f46d5aae wp-block-paragraph\" style=\"color:#202020\">PENA single screws are manufactured to order for each application, delivering optimised plasticising performance, excellent thermal stability and outstanding wear resistance.<br>Thanks to our advanced grinding, coating and precision metrology processes, every screw ensures consistent melt quality, stable throughput and extended service life.<\/p>\n\n\n\r\n\t\t<div  class=\"block-83406c94-dada-47ea-ab46-b05ed85eb0a0 areoi-element\">\r\n\t\t\t\r\n\t\t\t\n\n<figure class=\"wp-block-image size-full bordered-image mb-0\"><img loading=\"lazy\" decoding=\"async\" width=\"2560\" height=\"619\" src=\"http:\/\/www.penagrup.com\/wp-content\/uploads\/2026\/03\/CRW_2049-b-scaled.jpg\" alt=\"\" class=\"wp-image-4196\" srcset=\"https:\/\/www.penagrup.com\/wp-content\/uploads\/2026\/03\/CRW_2049-b-scaled.jpg 2560w, https:\/\/www.penagrup.com\/wp-content\/uploads\/2026\/03\/CRW_2049-b-300x73.jpg 300w, https:\/\/www.penagrup.com\/wp-content\/uploads\/2026\/03\/CRW_2049-b-1024x248.jpg 1024w, https:\/\/www.penagrup.com\/wp-content\/uploads\/2026\/03\/CRW_2049-b-768x186.jpg 768w, https:\/\/www.penagrup.com\/wp-content\/uploads\/2026\/03\/CRW_2049-b-1536x372.jpg 1536w, https:\/\/www.penagrup.com\/wp-content\/uploads\/2026\/03\/CRW_2049-b-2048x495.jpg 2048w\" sizes=\"auto, (max-width: 2560px) 100vw, 2560px\" \/><\/figure>\n\n\r\n\t\t\t \r\n\t\t<\/div>\r\n\t\n \r\n\t\t\t\r\n\t\t<\/div>\r\n\t\n \r\n\t\t<\/div>\r\n\t\n\r\n\t\t\t \r\n\t\t<\/div>\r\n\t<\/div><\/div>\n\n\n\n<section class=\"wp-block-group app-advantage app-advantage-product-page\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\r\n\t\t<div  class=\"block-8f2dbbf4-d657-4d32-ad9d-22cbb66c605f areoi-element app-advantage__group\">\r\n\t\t\t\r\n\t\t<div class=\"areoi-background  \">\r\n\t\t\t<div class=\"container-fluid\" style=\"padding: 0;\">\r\n\t\t\t\t<div class=\"row justify-content-start\">\r\n\t\t\t\t\t<div class=\"col \">\r\n\t\t\t            <div class=\"areoi-background__color\" \r\n\t                        \tstyle=\"background: rgba(248, 249, 251,1)\">\r\n\t                        <\/div>\r\n\r\n\t                    \r\n\r\n\t                    \r\n\r\n\t                    \r\n\t    \t\t\t<\/div>\r\n\t    \t\t<\/div>\r\n\t    \t<\/div>\r\n\t    <\/div>\r\n\t\r\n\t\t\t\n\r\n\t\t<div  class=\"block-68346946-136b-4f16-8307-71e86d632d5c areoi-element container\">\r\n\t\t\t\r\n\t\t\t\n\n<h4 class=\"wp-block-heading app-advantage__title has-text-color has-link-color wp-elements-4c4bc4223abec5366147b2aa48acb84a\" style=\"color:#af0b3a;font-style:normal;font-weight:500\"><strong>Technical Advantages<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>High plasticising efficiency.<\/li>\n\n\n\n<li>Dimensional stability, even after thousands of operating hours.<\/li>\n\n\n\n<li>PTA and Ni-Cr coatings with full metallurgical bonding.<\/li>\n\n\n\n<li>Customised screw geometry for each polymer and filler content.<\/li>\n\n\n\n<li>Complete maintenance, refurbishment and rebuilding services carried out in-house.<\/li>\n<\/ul>\n\n\r\n\t\t\t \r\n\t\t<\/div>\r\n\t\n\n\r\n\t\t<div  class=\"block-fe44e1fb-15e8-485e-a509-a2a46c025154 areoi-element container mt-5\">\r\n\t\t\t\r\n\t\t\t\n\n<h4 class=\"wp-block-heading app-advantage__title has-text-color has-link-color wp-elements-e005df99771ae30bd850be4d2beb5190\" style=\"color:#af0b3a;font-style:normal;font-weight:500\"><strong>Technical Specifications<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Available diameters: <strong>\u00d818 mm to \u00d8450 mm.<\/strong><\/li>\n\n\n\n<li>L\/D ratio: Unlimited.<\/li>\n\n\n\n<li>Base material: Nitrided, hardened or stainless steel.<\/li>\n\n\n\n<li>Machining tolerances \u2264 0.01 mm.<\/li>\n\n\n\n<li>Available geometries: Standard, Barrier, Maddock, Pineapple, Vented and Static Mixer designs.<\/li>\n<\/ul>\n\n\r\n\t\t\t \r\n\t\t<\/div>\r\n\t\n\r\n\t\t\t \r\n\t\t<\/div>\r\n\t<\/div><\/section>\n\n\n\r\n\t\t<div  class=\"block-c6cb22bc-214b-46c1-ac51-21c7873d392e areoi-element container\">\r\n\t\t\t\r\n\t\t\t\n\r\n\t\t<div  class=\"block-f25ec55f-e73d-4ac8-8705-2b9b2d7b69d4 row areoi-element\">\r\n\t\t\t\r\n\r\n\t\t\t\n\r\n\t\t<div  class=\"block-26fd714b-9202-46ef-afa7-9fc1d720fddc col areoi-element\">\r\n\t\t\t\r\n\t\t\t\n\n<h1 class=\"wp-block-heading h2\">Single Barrel<\/h1>\n\n\n\n<p class=\"mb-0 has-text-color has-link-color wp-elements-041c63b890f1a6200569bb2a6b8f07cb wp-block-paragraph\" style=\"color:#202020\">PENA bimetallic and nitrided barrels are engineered to provide maximum wear resistance, dimensional accuracy and thermal stability.<\/p>\n\n\n\n<p class=\"mb-0 has-text-color has-link-color wp-elements-fba687a1e4684fcb3502a20e3508e342 wp-block-paragraph\" style=\"color:#202020\">Manufactured from premium alloy steels and enhanced with Ni-Cr-WC or Ni-Co bimetallic linings, they deliver exceptional service life, even when processing highly abrasive or corrosive materials.<\/p>\n\n\n\r\n\t\t<div  class=\"block-83406c94-dada-47ea-ab46-b05ed85eb0a0 areoi-element\">\r\n\t\t\t\r\n\t\t\t\n\n<figure class=\"wp-block-image size-large bordered-image mb-0\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"785\" src=\"http:\/\/www.penagrup.com\/wp-content\/uploads\/2026\/03\/E.camara-mh-ruta-1024x785.jpg\" alt=\"\" class=\"wp-image-4197\" style=\"aspect-ratio:1.3333333333333333;object-fit:cover\" srcset=\"https:\/\/www.penagrup.com\/wp-content\/uploads\/2026\/03\/E.camara-mh-ruta-1024x785.jpg 1024w, https:\/\/www.penagrup.com\/wp-content\/uploads\/2026\/03\/E.camara-mh-ruta-300x230.jpg 300w, https:\/\/www.penagrup.com\/wp-content\/uploads\/2026\/03\/E.camara-mh-ruta-768x589.jpg 768w, https:\/\/www.penagrup.com\/wp-content\/uploads\/2026\/03\/E.camara-mh-ruta-1536x1178.jpg 1536w, https:\/\/www.penagrup.com\/wp-content\/uploads\/2026\/03\/E.camara-mh-ruta-2048x1570.jpg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\r\n\t\t\t \r\n\t\t<\/div>\r\n\t\n \r\n\t\t\t\r\n\t\t<\/div>\r\n\t\n \r\n\t\t<\/div>\r\n\t\n\r\n\t\t\t \r\n\t\t<\/div>\r\n\t\n\n\n<section class=\"wp-block-group app-advantage app-advantage-product-page\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\r\n\t\t<div  class=\"block-a98886a3-41fb-4271-9e7e-c8710e5086fa areoi-element app-advantage__group\">\r\n\t\t\t\r\n\t\t<div class=\"areoi-background  \">\r\n\t\t\t<div class=\"container-fluid\" style=\"padding: 0;\">\r\n\t\t\t\t<div class=\"row justify-content-start\">\r\n\t\t\t\t\t<div class=\"col \">\r\n\t\t\t            <div class=\"areoi-background__color\" \r\n\t                        \tstyle=\"background: rgba(248, 249, 251,1)\">\r\n\t                        <\/div>\r\n\r\n\t                    \r\n\r\n\t                    \r\n\r\n\t                    \r\n\t    \t\t\t<\/div>\r\n\t    \t\t<\/div>\r\n\t    \t<\/div>\r\n\t    <\/div>\r\n\t\r\n\t\t\t\n\r\n\t\t<div  class=\"block-68346946-136b-4f16-8307-71e86d632d5c areoi-element container\">\r\n\t\t\t\r\n\t\t\t\n\n<h4 class=\"wp-block-heading app-advantage__title has-text-color has-link-color wp-elements-4c4bc4223abec5366147b2aa48acb84a\" style=\"color:#af0b3a;font-style:normal;font-weight:500\"><strong>Technical Advantages<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Perfect metallurgical bonding between the lining and base steel.<\/li>\n\n\n\n<li>Uniform thermal control, reducing distortion and improving process stability.<\/li>\n\n\n\n<li>Consistent hardness throughout the barrel length, combined with excellent thermal conductivity.<\/li>\n\n\n\n<li>Outstanding geometric stability under internal pressure.<\/li>\n\n\n\n<li>Fully compatible with PENA 160, PENA 172 and PENA 175 screw technologies.<\/li>\n<\/ul>\n\n\r\n\t\t\t \r\n\t\t<\/div>\r\n\t\n\n\r\n\t\t<div  class=\"block-fe44e1fb-15e8-485e-a509-a2a46c025154 areoi-element container mt-5\">\r\n\t\t\t\r\n\t\t\t\n\n<h4 class=\"wp-block-heading app-advantage__title has-text-color has-link-color wp-elements-e005df99771ae30bd850be4d2beb5190\" style=\"color:#af0b3a;font-style:normal;font-weight:500\"><strong>Technical Specifications<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Available diameters: <strong>\u00d818 mm to \u00d8450 mm.<\/strong><\/li>\n\n\n\n<li>Unlimited L\/D ratio capabilities.<\/li>\n\n\n\n<li>Base material: Nitrided, hardened or stainless steel.<\/li>\n\n\n\n<li>Available with electric heating systems or internal cooling channels.<\/li>\n\n\n\n<li>Complete repair, refurbishment and rebuilding services available.<\/li>\n<\/ul>\n\n\r\n\t\t\t \r\n\t\t<\/div>\r\n\t\n\r\n\t\t\t \r\n\t\t<\/div>\r\n\t<\/div><\/section>\n\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\r\n\t\t<div  class=\"block-b3661a26-19aa-463e-9167-fa165846061d areoi-element container\">\r\n\t\t\t\r\n\t\t\t\n\r\n\t\t<div  class=\"block-1c9832f2-c197-4ec2-b9bd-4cbeeb33274a row areoi-element\">\r\n\t\t\t\r\n\r\n\t\t\t\n\r\n\t\t<div  class=\"block-3071bb7f-ce7e-4600-89b4-15bfe5caac27 col areoi-element\">\r\n\t\t\t\r\n\t\t\t\n\n<h3 class=\"wp-block-heading has-text-align-left services-block-products-title\"><strong>See Also<\/strong><\/h3>\n\n\n\r\n    <div class=\"services-block services-block--products\">\r\n        <div class=\"services-block-wrap\">\r\n                            <div class=\"row\">\r\n                    \r\n                                                    <div class=\"col-md-4\">\r\n                                <div class=\"services-block-item\">\r\n                                    <a href=\"https:\/\/www.penagrup.com\/en\/products\/extrusion\/co-rotating-twin-screw-assemblies\/\" class=\"stretched-link\"><\/a>\r\n                                    <figure class=\"services-block-item-image service\">\r\n                                        <img decoding=\"async\" src=\"https:\/\/www.penagrup.com\/wp-content\/uploads\/2026\/03\/Sectores-husillo-1-scaled.png\" alt=\"Co-Rotating Twins Assemblies\">\r\n                                    <\/figure>\r\n                                    <div class=\"services-block-item-content\">\r\n                                        <div class=\"services-block-item-info\">\r\n                                            <h3>Co-Rotating Twins Assemblies<\/h3>\r\n                                            <p><\/p>\r\n                                        <\/div>\r\n                                        <a class=\"services-block-item-link\" href=\"https:\/\/www.penagrup.com\/en\/products\/extrusion\/co-rotating-twin-screw-assemblies\/\">MORE INFORMATION                                            <img decoding=\"async\" src=\"https:\/\/www.penagrup.com\/wp-content\/themes\/genesis-child\/assets\/img\/arrow-right.svg\" width=\"16px\" height=\"12px\"\r\n                                                alt=\"arrow-icon\"><\/a>\r\n\r\n                                    <\/div>\r\n                                <\/div>\r\n                            <\/div>\r\n                        \r\n                    \r\n                                                    <div class=\"col-md-4\">\r\n                                <div class=\"services-block-item\">\r\n                                    <a href=\"https:\/\/www.penagrup.com\/en\/products\/extrusion\/parallel-counter-rotating-twin-screw-assemblies\/\" class=\"stretched-link\"><\/a>\r\n                                    <figure class=\"services-block-item-image service\">\r\n                                        <img decoding=\"async\" src=\"https:\/\/www.penagrup.com\/wp-content\/uploads\/2026\/03\/DSC5447-1-scaled.jpg\" alt=\"Parallel Counter-Rotating Twins\">\r\n                                    <\/figure>\r\n                                    <div class=\"services-block-item-content\">\r\n                                        <div class=\"services-block-item-info\">\r\n                                            <h3>Parallel Counter-Rotating Twins<\/h3>\r\n                                            <p><\/p>\r\n                                        <\/div>\r\n                                        <a class=\"services-block-item-link\" href=\"https:\/\/www.penagrup.com\/en\/products\/extrusion\/parallel-counter-rotating-twin-screw-assemblies\/\">MORE INFORMATION                                            <img decoding=\"async\" src=\"https:\/\/www.penagrup.com\/wp-content\/themes\/genesis-child\/assets\/img\/arrow-right.svg\" width=\"16px\" height=\"12px\"\r\n                                                alt=\"arrow-icon\"><\/a>\r\n\r\n                                    <\/div>\r\n                                <\/div>\r\n                            <\/div>\r\n                        \r\n                    \r\n                                                    <div class=\"col-md-4\">\r\n                                <div class=\"services-block-item\">\r\n                                    <a href=\"https:\/\/www.penagrup.com\/en\/products\/injection-moulding\/injection-screws\/\" class=\"stretched-link\"><\/a>\r\n                                    <figure class=\"services-block-item-image service\">\r\n                                        <img decoding=\"async\" src=\"https:\/\/www.penagrup.com\/wp-content\/uploads\/2026\/03\/I.Husillo-5-scaled.jpg\" alt=\"Injection Screws\">\r\n                                    <\/figure>\r\n                                    <div class=\"services-block-item-content\">\r\n                                        <div class=\"services-block-item-info\">\r\n                                            <h3>Injection Screws<\/h3>\r\n                                            <p><\/p>\r\n                                        <\/div>\r\n                                        <a class=\"services-block-item-link\" href=\"https:\/\/www.penagrup.com\/en\/products\/injection-moulding\/injection-screws\/\">MORE INFORMATION                                            <img decoding=\"async\" src=\"https:\/\/www.penagrup.com\/wp-content\/themes\/genesis-child\/assets\/img\/arrow-right.svg\" width=\"16px\" height=\"12px\"\r\n                                                alt=\"arrow-icon\"><\/a>\r\n\r\n                                    <\/div>\r\n                                <\/div>\r\n                            <\/div>\r\n                        \r\n                    \r\n                                                    <div class=\"col-md-4\">\r\n                                <div class=\"services-block-item\">\r\n                                    <a href=\"https:\/\/www.penagrup.com\/en\/products\/injection-moulding\/injection-barrels\/\" class=\"stretched-link\"><\/a>\r\n                                    <figure class=\"services-block-item-image service\">\r\n                                        <img decoding=\"async\" src=\"https:\/\/www.penagrup.com\/wp-content\/uploads\/2026\/03\/I.camara-entrada-7-scaled.jpg\" alt=\"Injection Barrels\">\r\n                                    <\/figure>\r\n                                    <div class=\"services-block-item-content\">\r\n                                        <div class=\"services-block-item-info\">\r\n                                            <h3>Injection Barrels<\/h3>\r\n                                            <p><\/p>\r\n                                        <\/div>\r\n                                        <a class=\"services-block-item-link\" href=\"https:\/\/www.penagrup.com\/en\/products\/injection-moulding\/injection-barrels\/\">MORE INFORMATION                                            <img decoding=\"async\" src=\"https:\/\/www.penagrup.com\/wp-content\/themes\/genesis-child\/assets\/img\/arrow-right.svg\" width=\"16px\" height=\"12px\"\r\n                                                alt=\"arrow-icon\"><\/a>\r\n\r\n                                    <\/div>\r\n                                <\/div>\r\n                            <\/div>\r\n                        \r\n                                    <\/div>\r\n                    <\/div>\r\n    <\/div>\r\n    \n \r\n\t\t\t\r\n\t\t<\/div>\r\n\t\n \r\n\t\t<\/div>\r\n\t\n \r\n\t\t<\/div>\r\n\t<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":4656,"parent":1387,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"inline_featured_image":false,"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":"","_links_to":"","_links_to_target":""},"class_list":["post-4654","page","type-page","status-publish","has-post-thumbnail","entry"],"acf":[],"featured_image_src":"https:\/\/www.penagrup.com\/wp-content\/uploads\/2025\/12\/huisillos.png","featured_image_src_square":"https:\/\/www.penagrup.com\/wp-content\/uploads\/2025\/12\/huisillos.png","_links":{"self":[{"href":"https:\/\/www.penagrup.com\/en\/wp-json\/wp\/v2\/pages\/4654","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.penagrup.com\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.penagrup.com\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.penagrup.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.penagrup.com\/en\/wp-json\/wp\/v2\/comments?post=4654"}],"version-history":[{"count":3,"href":"https:\/\/www.penagrup.com\/en\/wp-json\/wp\/v2\/pages\/4654\/revisions"}],"predecessor-version":[{"id":5193,"href":"https:\/\/www.penagrup.com\/en\/wp-json\/wp\/v2\/pages\/4654\/revisions\/5193"}],"up":[{"embeddable":true,"href":"https:\/\/www.penagrup.com\/en\/wp-json\/wp\/v2\/pages\/1387"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.penagrup.com\/en\/wp-json\/wp\/v2\/media\/4656"}],"wp:attachment":[{"href":"https:\/\/www.penagrup.com\/en\/wp-json\/wp\/v2\/media?parent=4654"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}