{"id":1907,"date":"2026-01-07T10:02:13","date_gmt":"2026-01-07T10:02:13","guid":{"rendered":"https:\/\/hycuttingtools.com\/?post_type=product&p=1907"},"modified":"2026-09-09T18:24:54","modified_gmt":"2026-09-09T18:24:54","slug":"hrc45-hrc55-tapered-ball-nose-end-mill","status":"publish","type":"product","link":"https:\/\/hycuttingtools.com\/id\/produk\/hrc45-hrc55-tapered-ball-nose-end-mill\/","title":{"rendered":"HRC45 \/ HRC55 2-Flute Solid Carbide Tapered Ball Nose End Mill for Mold Machining"},"content":{"rendered":"
\n

<\/p>\n

\n

HRC45 \/ HRC55 2-Flute Solid Carbide Tapered End Mill Overview<\/h2>\n

This 2-flute solid carbide tapered ball nose end mill combines a spherical cutting tip with a gradually enlarged tapered body for deep mold cavities, narrow ribs, drafted walls, fillets and complex 3D surfaces. Compared with a uniformly slender straight-neck tool, the tapered core provides additional support behind the cutting tip while maintaining clearance along sloped cavity walls. HRC45 and HRC55 configurations are available for carbon steel, alloy steel, tool steel and pre-hardened mold steel. Ball radius, taper angle, cutting length, effective reach, shank diameter, overall length, carbide grade and coating can be selected according to the mold geometry.<\/p>\n

<\/p>\n

\n
Hardness Series<\/span>
\nHRC45 \/ HRC55<\/strong><\/div>\n
Cutting Profile<\/span>
\nTapered Ball Nose<\/strong><\/div>\n
Flute Count<\/span>
\n2 Flutes<\/strong><\/div>\n
Primary Application<\/span>
\n3D Mold Finishing<\/strong><\/div>\n<\/div>\n<\/section>\n

<\/p>\n

\n

Key Features and Machining Benefits<\/h3>\n
\n
\n

Tapered Core Rigidity<\/h4>\n

The gradually enlarged body provides additional support behind the ball tip and helps control deflection during extended-reach finishing.<\/p>\n<\/div>\n

\n

Drafted-Wall Clearance<\/h4>\n

The tapered profile can follow drafted mold walls and reach recessed regions while reducing interference with adjacent surfaces.<\/p>\n<\/div>\n

\n

Continuous Ball-Nose Contact<\/h4>\n

The spherical tip supports smooth tool movement across fillets, slopes, freeform contours and blended 3D mold surfaces.<\/p>\n<\/div>\n

\n

Two-Flute Chip Space<\/h4>\n

The 2-flute geometry provides chip space and controlled cutting resistance for small radii, long reach and light finishing passes.<\/p>\n<\/div>\n<\/div>\n

Hardness Note:<\/strong> HRC45 and HRC55 identify the intended workpiece-hardness series. They do not describe the taper angle. The taper angle is a separate dimensional parameter selected according to the mold draft and surrounding wall geometry.<\/div>\n<\/section>\n

<\/p>\n

\n

Mold-Machining Applications<\/h3>\n
    \n
  • Deep mold cavities and recessed 3D surfaces<\/li>\n
  • Narrow ribs, channels and internal fillets<\/li>\n
  • Drafted walls and sloped cavity surfaces<\/li>\n
  • Mold cores, inserts, electrodes and die profiles<\/li>\n
  • Freeform surfaces and complex contour transitions<\/li>\n
  • Semi-finishing and finishing with controlled remaining stock<\/li>\n<\/ul>\n
    \n
    Application \/ Material<\/div>\n
    \n

    P Carbon Steel<\/span><\/p>\n

    P Alloy Steel<\/span><\/p>\n

    P Tool Steel<\/span><\/p>\n

    H Pre-Hardened Mold Steel<\/span><\/p>\n<\/div>\n<\/div>\n<\/section>\n

    <\/p>\n

    \n

    Tapered Ball Nose End Mill Details<\/h3>\n
    \n

    \"HRC45

    \"Two-flute

    \"Tapered

    <\/p>\n

    \n

    Mold-Finishing Guidance<\/h3>\n
      \n
    • Remove most stock with a square-end or corner-radius cutter before finishing.<\/li>\n
    • Maintain a consistent remaining allowance to avoid sudden cutting-load changes.<\/li>\n
    • Select stepover according to the ball radius and required cusp height.<\/li>\n
    • Use the shortest practical tool overhang and maintain low holder runout.<\/li>\n
    • Where possible, move the cutting contact away from the exact center of the ball tip.<\/li>\n<\/ul>\n
      Selection Note:<\/strong> The taper angle must provide sufficient clearance without interfering with the mold wall. Please check the ball radius, draft angle, cavity depth, effective reach and holder clearance against the CAD model before ordering.<\/div>\n<\/section>\n<\/div>","protected":false},"excerpt":{"rendered":"

      HRC45 \/ HRC55 2-flute solid carbide tapered ball nose end mills for 3D mold machining, deep cavities and curved-surface finishing in steel, alloy steel and mold steel.<\/p>\n

      \u2699\ufe0f Konfigurasi Produk<\/h6>\n

      *Hardness Grades:<\/strong> HRC45 \/ HRC55
      \n*Flute Count:<\/strong> 2 Flutes
      \n*Tool Type:<\/strong> Tapered Ball Nose End Mill
      \n*Opsi Pelapisan:<\/strong> AlTiN \/ TiSiN (defined by hardness grade and application)
      \n*Bahan Aplikasi:<\/strong> Carbon steel \/ alloy steel \/ mold steel \/ cast iron
      \n*Machining Type:<\/strong> 3D contouring \/ mold finishing \/ deep-cavity machining
      \n*MOQ:<\/strong> 10 pcs
      \n*Stock Lead Time:<\/strong> 1\u20133 days<\/p>","protected":false},"featured_media":1909,"template":"","meta":{"_acf_changed":false,"googlesitekit_rrm_CAowkrPfCw:productID":"","_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_kad_post_transparent":"default","_kad_post_title":"","_kad_post_layout":"default","_kad_post_sidebar_id":"","_kad_post_content_style":"default","_kad_post_vertical_padding":"default","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":""},"product_brand":[],"product_cat":[2604,3647],"product_tag":[4914,2693,4980,1793],"class_list":["post-1907","product","type-product","status-publish","has-post-thumbnail","product_cat-solid-carbide-end-mills","product_cat-specialty-end-mills","product_tag-3d-contouring","product_tag-cnc-milling","product_tag-taper-end-mill","product_tag-tapered-ball-nose-end-mill","pa_workpiece-material-carbon-alloy-steel","pa_workpiece-material-cast-iron","first","instock","shipping-taxable","product-type-simple","entry","content-bg","loop-entry"],"acf":[],"taxonomy_info":{"product_cat":[{"value":2604,"label":"Solid Carbide End Mills"},{"value":3647,"label":"Specialty End Mills"}],"product_tag":[{"value":4914,"label":"3D Contouring"},{"value":2693,"label":"CNC Milling"},{"value":4980,"label":"taper end mill"},{"value":1793,"label":"tapered ball nose end mill"}],"pa_workpiece-material":[{"value":3617,"label":"Carbon & Alloy Steel"},{"value":3688,"label":"Cast Iron"}]},"featured_image_src_large":["https:\/\/hycuttingtools.com\/wp-content\/uploads\/2026\/01\/55-Degree-Tungsten-Steel-Alloy-Tapered-Ball-End-Mill-1_\u526f\u672c-1024x1024.webp",1024,1024,true],"author_info":[],"comment_info":"","_links":{"self":[{"href":"https:\/\/hycuttingtools.com\/id\/wp-json\/wp\/v2\/product\/1907","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hycuttingtools.com\/id\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/hycuttingtools.com\/id\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hycuttingtools.com\/id\/wp-json\/wp\/v2\/media\/1909"}],"wp:attachment":[{"href":"https:\/\/hycuttingtools.com\/id\/wp-json\/wp\/v2\/media?parent=1907"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/hycuttingtools.com\/id\/wp-json\/wp\/v2\/product_brand?post=1907"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/hycuttingtools.com\/id\/wp-json\/wp\/v2\/product_cat?post=1907"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/hycuttingtools.com\/id\/wp-json\/wp\/v2\/product_tag?post=1907"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}