{"id":1756,"date":"2026-01-04T11:26:38","date_gmt":"2026-01-04T11:26:38","guid":{"rendered":"https:\/\/hycuttingtools.com\/?post_type=product&#038;p=1756"},"modified":"2026-09-29T15:56:11","modified_gmt":"2026-09-29T15:56:11","slug":"2d-5d-compact-sp-sq-indexable-u-drill-for-small-diameter-holes","status":"publish","type":"product","link":"https:\/\/hycuttingtools.com\/ru\/%d0%bf%d1%80%d0%be%d0%b4%d1%83%d0%ba%d1%82\/2d-5d-compact-sp-sq-indexable-u-drill-for-small-diameter-holes\/","title":{"rendered":"2D\u20135D Compact SP\/SQ Indexable U-Drill for Small-Diameter Holes"},"content":{"rendered":"<h3 style=\"text-align: center;\"><\/h3>\n<div style=\"width: 790px;\" class=\"wp-video\"><video class=\"wp-video-shortcode\" id=\"video-1756-1\" width=\"790\" height=\"720\" preload=\"metadata\" controls=\"controls\"><source type=\"video\/mp4\" src=\"https:\/\/hycuttingtools.com\/wp-content\/uploads\/2026\/01\/u-drill-small.mp4?_=1\" \/><a href=\"https:\/\/hycuttingtools.com\/wp-content\/uploads\/2026\/01\/u-drill-small.mp4\">https:\/\/hycuttingtools.com\/wp-content\/uploads\/2026\/01\/u-drill-small.mp4<\/a><\/video><\/div>\n<h6><strong>\u041e\u0431\u0437\u043e\u0440 \u043f\u0440\u043e\u0434\u0443\u043a\u0446\u0438\u0438<\/strong><\/h6>\n<p class=\"ds-markdown-paragraph\"><strong>Precision Small-Bore Machining Redefined<\/strong><\/p>\n<p class=\"ds-markdown-paragraph\">The Compact U-Drill Series represents a breakthrough in small-diameter deep hole drilling technology. Specifically engineered with SP (Short Pitch) and SO (Special Optimized) geometries, these tools overcome the traditional limitations of machining bores under 25mm diameter. By combining an ultra-rigid compact body design with advanced insert technology, this series delivers unprecedented stability and precision in confined machining spaces where conventional tools typically fail.<\/p>\n<hr \/>\n<h6><strong>\u0422\u0435\u0445\u043d\u0438\u0447\u0435\u0441\u043a\u0438\u0435 \u0445\u0430\u0440\u0430\u043a\u0442\u0435\u0440\u0438\u0441\u0442\u0438\u043a\u0438<\/strong><\/h6>\n<div class=\"ds-scroll-area _1210dd7 c03cafe9\">\n<div class=\"ds-scroll-area__gutters\">\n<div class=\"ds-scroll-area__vertical-gutter\"><\/div>\n<\/div>\n<table>\n<thead>\n<tr>\n<th style=\"text-align: left;\">\u041f\u0430\u0440\u0430\u043c\u0435\u0442\u0440<\/th>\n<th style=\"text-align: left;\">\u0422\u0435\u0445\u043d\u0438\u0447\u0435\u0441\u043a\u0438\u0435 \u0445\u0430\u0440\u0430\u043a\u0442\u0435\u0440\u0438\u0441\u0442\u0438\u043a\u0438<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\u0421\u0435\u0440\u0438\u044f \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u043e\u0432<\/strong><\/td>\n<td>SP-Type (General Purpose) \/ SO-Type (Optimized for Hard Materials)<\/td>\n<\/tr>\n<tr>\n<td><strong>\u0414\u0438\u0430\u043f\u0430\u0437\u043e\u043d \u0434\u0438\u0430\u043c\u0435\u0442\u0440\u043e\u0432<\/strong><\/td>\n<td>\u03c66.0mm &#8211; \u03c624.9mm (Standard), \u03c64.0mm Available on Request<\/td>\n<\/tr>\n<tr>\n<td><strong>\u0413\u043b\u0443\u0431\u0438\u043d\u043d\u044b\u0435 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u0438<\/strong><\/td>\n<td>2D, 3D, 4D, 5D Standard Configurations<\/td>\n<\/tr>\n<tr>\n<td><strong>Insert Locking<\/strong><\/td>\n<td>Double-Wedge Centrifugal Safety System<\/td>\n<\/tr>\n<tr>\n<td><strong>Coolant Pressure<\/strong><\/td>\n<td>Up to 70 Bar Through-Tool Coolant<\/td>\n<\/tr>\n<tr>\n<td><strong>Shank Options<\/strong><\/td>\n<td>HSK-E32, Capto C4-C6, BT30-40, Custom<\/td>\n<\/tr>\n<tr>\n<td><strong>Body Material<\/strong><\/td>\n<td>High-Tensile Alloy Steel with Anti-Corrosion Treatment<\/td>\n<\/tr>\n<tr>\n<td><strong>Runout Tolerance<\/strong><\/td>\n<td>\u2264 0.008mm at 4\u00d7D<\/td>\n<\/tr>\n<tr>\n<td><strong>\u041e\u0442\u0434\u0435\u043b\u043a\u0430 \u043f\u043e\u0432\u0435\u0440\u0445\u043d\u043e\u0441\u0442\u0438<\/strong><\/td>\n<td>Ra 1.6\u03bcm Achievable in Single Operation<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<hr \/>\n<h6><strong>Design Innovations<\/strong><\/h6>\n<h6><strong>1. Geometry-Optimized Body Design<\/strong><\/h6>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>SP-Type (Short Pitch):<\/strong>\u00a0Features reduced flute pitch for maximum rigidity in general steel and cast iron applications, minimizing deflection during interrupted cuts<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>SO-Type (Special Optimized):<\/strong>\u00a0Incorporates harmonic-dampening mass distribution and variable helix angles specifically engineered for stainless steels, superalloys, and hardened materials<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Asymmetric Body Reinforcement:<\/strong>\u00a0Proprietary design places additional material on the pressure side while maintaining adequate chip clearance<\/p>\n<\/li>\n<\/ul>\n<h6><strong>2. Micro-Precision Insert System<\/strong><\/h6>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Sub-Miniature Inserts:<\/strong>\u00a0Available in 3.5mm and 4.5mm cutting edge lengths with six corner usability<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Multi-Layer Coating:<\/strong>\u00a0TiAlN+AlCrN hybrid coating with graded interface technology<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Chipbreaker Evolution:<\/strong>\u00a0Fifth-generation chipbreaker design maintains consistent chip control from 0.05-0.25mm\/rev feed rates<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Integrated Wiper Geometry:<\/strong>\u00a0Built-in wiper flats deliver superior surface finish without secondary tools<\/p>\n<\/li>\n<\/ul>\n<h6><strong>3. Enhanced Coolant Dynamics<\/strong><\/h6>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Dual-Orifice Design:<\/strong>\u00a0Front and side coolant outlets create optimized flow patterns for different materials<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Venturi Chip Evacuation:<\/strong>\u00a0Accelerated coolant flow through specially shaped channels creates vacuum-assisted chip removal<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Thermal Barrier Coating:<\/strong>\u00a0Internal surfaces feature ceramic-based coating to reduce heat transfer to tool body<\/p>\n<\/li>\n<\/ul>\n<hr \/>\n<h6><strong>Performance Data<\/strong><\/h6>\n<h6><strong>Machining Efficiency Comparison<\/strong><\/h6>\n<div class=\"ds-scroll-area _1210dd7 c03cafe9\">\n<div class=\"ds-scroll-area__gutters\">\n<div class=\"ds-scroll-area__vertical-gutter\"><\/div>\n<\/div>\n<table>\n<thead>\n<tr>\n<th style=\"text-align: left;\">\u041e\u043f\u0435\u0440\u0430\u0446\u0438\u044f<\/th>\n<th style=\"text-align: left;\">Conventional Drill<\/th>\n<th style=\"text-align: left;\">Competitive U-Drill<\/th>\n<th style=\"text-align: left;\"><strong>Our Compact U-Drill<\/strong><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Setup Time (min)<\/td>\n<td>15-20<\/td>\n<td>8-12<\/td>\n<td><strong>3-5<\/strong><\/td>\n<\/tr>\n<tr>\n<td>Tool Life (meters)<\/td>\n<td>50-80<\/td>\n<td>120-180<\/td>\n<td><strong>250-350<\/strong><\/td>\n<\/tr>\n<tr>\n<td>Surface Finish (Ra)<\/td>\n<td>3.2-6.4\u03bcm<\/td>\n<td>2.5-3.2\u03bcm<\/td>\n<td><strong>1.6-2.0\u03bcm<\/strong><\/td>\n<\/tr>\n<tr>\n<td>Straightness (at 5D)<\/td>\n<td>0.08-0.12mm<\/td>\n<td>0.04-0.06mm<\/td>\n<td><strong>0.015-0.025mm<\/strong><\/td>\n<\/tr>\n<tr>\n<td>Cost per Hole<\/td>\n<td>$0.85-1.20<\/td>\n<td>$0.45-0.65<\/td>\n<td><strong>$0.22-0.35<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h6><strong>Material-Specific Performance<\/strong><\/h6>\n<div class=\"ds-scroll-area _1210dd7 c03cafe9\">\n<div class=\"ds-scroll-area__gutters\">\n<div class=\"ds-scroll-area__vertical-gutter\"><\/div>\n<\/div>\n<table>\n<thead>\n<tr>\n<th style=\"text-align: left;\">Material Group<\/th>\n<th style=\"text-align: left;\">Recommended Feed (mm\/rev)<\/th>\n<th style=\"text-align: left;\">\u0421\u043a\u043e\u0440\u043e\u0441\u0442\u044c \u0440\u0435\u0437\u043a\u0438 (\u043c\/\u043c\u0438\u043d)<\/th>\n<th style=\"text-align: left;\">Coolant Pressure (Bar)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Carbon Steel (C&lt;0.3%)<\/td>\n<td>0.08-0.15<\/td>\n<td>180-220<\/td>\n<td>20-30<\/td>\n<\/tr>\n<tr>\n<td>Stainless Steel (304\/316)<\/td>\n<td>0.06-0.12<\/td>\n<td>90-120<\/td>\n<td>30-40<\/td>\n<\/tr>\n<tr>\n<td>Cast Iron (GG25)<\/td>\n<td>0.10-0.18<\/td>\n<td>150-180<\/td>\n<td>15-25<\/td>\n<\/tr>\n<tr>\n<td>\u0410\u043b\u044e\u043c\u0438\u043d\u0438\u0435\u0432\u044b\u0439 \u0441\u043f\u043b\u0430\u0432<\/td>\n<td>0.15-0.25<\/td>\n<td>300-400<\/td>\n<td>10-20<\/td>\n<\/tr>\n<tr>\n<td>Titanium (Ti-6Al-4V)<\/td>\n<td>0.04-0.08<\/td>\n<td>50-70<\/td>\n<td>40-50<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><img data-srcset=\"https:\/\/hycuttingtools.com\/wp-content\/uploads\/2026\/01\/U-Drill-Bit-Steel-Drill-Small-Diameter-U-Drill-2D3D4D5D3_\u526f\u672c-scaled.webp 2525w, https:\/\/hycuttingtools.com\/wp-content\/uploads\/2026\/01\/U-Drill-Bit-Steel-Drill-Small-Diameter-U-Drill-2D3D4D5D3_\u526f\u672c-296x300.webp 296w, https:\/\/hycuttingtools.com\/wp-content\/uploads\/2026\/01\/U-Drill-Bit-Steel-Drill-Small-Diameter-U-Drill-2D3D4D5D3_\u526f\u672c-1010x1024.webp 1010w, https:\/\/hycuttingtools.com\/wp-content\/uploads\/2026\/01\/U-Drill-Bit-Steel-Drill-Small-Diameter-U-Drill-2D3D4D5D3_\u526f\u672c-768x779.webp 768w, https:\/\/hycuttingtools.com\/wp-content\/uploads\/2026\/01\/U-Drill-Bit-Steel-Drill-Small-Diameter-U-Drill-2D3D4D5D3_\u526f\u672c-1515x1536.webp 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https:\/\/hycuttingtools.com\/wp-content\/uploads\/2026\/01\/U-Drill-Bit-Steel-Drill-Small-Diameter-U-Drill-2D3D4D5D7_\u526f\u672c-300x212.webp 300w, https:\/\/hycuttingtools.com\/wp-content\/uploads\/2026\/01\/U-Drill-Bit-Steel-Drill-Small-Diameter-U-Drill-2D3D4D5D7_\u526f\u672c-1024x722.webp 1024w, https:\/\/hycuttingtools.com\/wp-content\/uploads\/2026\/01\/U-Drill-Bit-Steel-Drill-Small-Diameter-U-Drill-2D3D4D5D7_\u526f\u672c-768x541.webp 768w, https:\/\/hycuttingtools.com\/wp-content\/uploads\/2026\/01\/U-Drill-Bit-Steel-Drill-Small-Diameter-U-Drill-2D3D4D5D7_\u526f\u672c-1536x1083.webp 1536w, https:\/\/hycuttingtools.com\/wp-content\/uploads\/2026\/01\/U-Drill-Bit-Steel-Drill-Small-Diameter-U-Drill-2D3D4D5D7_\u526f\u672c-2048x1444.webp 2048w, https:\/\/hycuttingtools.com\/wp-content\/uploads\/2026\/01\/U-Drill-Bit-Steel-Drill-Small-Diameter-U-Drill-2D3D4D5D7_\u526f\u672c-18x12.webp 18w, https:\/\/hycuttingtools.com\/wp-content\/uploads\/2026\/01\/U-Drill-Bit-Steel-Drill-Small-Diameter-U-Drill-2D3D4D5D7_\u526f\u672c-1000x705.webp 1000w\" sizes=\"(max-width: 2560px) 100vw, 2560px\" \/><\/noscript><\/p>\n<\/div>\n<h5 style=\"text-align: center;\"><!-- \u2705 PRODUCT DETAIL TABLE --><\/h5>","protected":false},"excerpt":{"rendered":"<div class=\"hy-udrill-short-description\" style=\"width: 100%; max-width: 900px; margin: 0; padding: 5px; box-sizing: border-box; font-family: Inter,Arial,Helvetica,sans-serif; color: #1e293b; font-size: 15px; line-height: 1.6;\">\n<p><!-- SHORT DESCRIPTION --><\/p>\n<p style=\"margin: 0 0 18px; color: #475569; font-size: 15px; line-height: 1.65;\">Compact SP-series indexable U-drills for small-diameter CNC holes. The supplied selection chart covers \u00d813\u201324.5 mm with SP05, SP06 and SP07 insert families and lists 2\u00d7D to 5\u00d7D depth classes. Select the complete body by hole diameter and depth, then confirm the matching insert, shank and coolant connection.<\/p>\n<p><!-- KEY CONFIGURATION --><\/p>\n<section style=\"margin: 0 0 24px; padding: 0;\">\n<h2 style=\"margin: 0 0 12px; padding: 0; color: #2146b5; font-family: Inter,Arial,Helvetica,sans-serif; font-size: 17px; font-weight: bold; line-height: 1.65;\">Key Configuration<\/h2>\n<div style=\"display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); width: 100%; margin: 0; padding: 0; border-top: 1px solid #e2e8f0; box-sizing: border-box;\">\n<div style=\"padding: 9px 12px 9px 0; border-bottom: 1px solid #e2e8f0; box-sizing: border-box;\"><span style=\"display: block; margin: 0 0 2px; color: #64748b; font-size: 12px; line-height: 1.4;\">\u0422\u0438\u043f \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430<\/span><strong style=\"display: block; color: #1e293b; font-size: 14px; line-height: 1.45;\">Indexable U-Drill<\/strong><\/div>\n<div style=\"padding: 9px 0 9px 12px; border-bottom: 1px solid #e2e8f0; box-sizing: border-box;\"><span style=\"display: block; margin: 0 0 2px; color: #64748b; font-size: 12px; line-height: 1.4;\">Depth Classes<\/span><strong style=\"display: block; color: #1e293b; font-size: 14px; line-height: 1.45;\">2\u00d7D \/ 3\u00d7D \/ 4\u00d7D \/ 5\u00d7D*<\/strong><\/div>\n<div style=\"padding: 9px 12px 9px 0; border-bottom: 1px solid #e2e8f0; box-sizing: border-box;\"><span style=\"display: block; margin: 0 0 2px; color: #64748b; font-size: 12px; line-height: 1.4;\">\u0414\u0438\u0430\u043f\u0430\u0437\u043e\u043d \u0434\u0438\u0430\u043c\u0435\u0442\u0440\u043e\u0432<\/span><strong style=\"display: block; color: #1e293b; font-size: 14px; line-height: 1.45;\">\u00d813\u201324.5 mm*<\/strong><\/div>\n<div style=\"padding: 9px 0 9px 12px; border-bottom: 1px solid #e2e8f0; box-sizing: border-box;\"><span style=\"display: block; margin: 0 0 2px; color: #64748b; font-size: 12px; line-height: 1.4;\">Insert Families<\/span><strong style=\"display: block; color: #1e293b; font-size: 14px; line-height: 1.45;\">SP05 \/ SP06 \/ SP07<\/strong><\/div>\n<div style=\"padding: 9px 12px 9px 0; border-bottom: 1px solid #e2e8f0; box-sizing: border-box;\"><span style=\"display: block; margin: 0 0 2px; color: #64748b; font-size: 12px; line-height: 1.4;\">Screw \/ Wrench<\/span><strong style=\"display: block; color: #1e293b; font-size: 14px; line-height: 1.45;\">M2.2 \u00d7 5 or M2.5 \u00d7 7 \/ T6<\/strong><\/div>\n<div style=\"padding: 9px 0 9px 12px; border-bottom: 1px solid #e2e8f0; box-sizing: border-box;\"><span style=\"display: block; margin: 0 0 2px; color: #64748b; font-size: 12px; line-height: 1.4;\">Shank &amp; Coolant<\/span><strong style=\"display: block; color: #1e293b; font-size: 14px; line-height: 1.45;\">Confirm by Body Model<\/strong><\/div>\n<\/div>\n<p style=\"margin: 9px 0 0; color: #64748b; font-size: 12px; line-height: 1.5;\">*Selection-chart ranges; confirm the orderable diameter and usable depth for each complete body model.<\/p>\n<\/section>\n<p><!-- INQUIRY DETAILS --><\/p>\n<section style=\"width: 100%; margin: 0; padding: 13px 16px; background: #f8fafc; border-radius: 4px; box-sizing: border-box;\">\n<p style=\"margin: 0; color: #475569; font-size: 14px; line-height: 1.55;\"><strong style=\"color: #1e293b;\">For a quotation:<\/strong> Send the hole diameter, drilling depth, workpiece grade, holder and coolant details, and required quantity. We will confirm the body and matching SP insert code.<\/p>\n<\/section>\n<\/div>","protected":false},"featured_media":1763,"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":[3671],"product_tag":[4933,4940,2804,2655],"class_list":["post-1756","product","type-product","status-publish","has-post-thumbnail","product_cat-u-drill-inserts","product_tag-deep-hole-machining","product_tag-indexable-tooling","product_tag-indexable-u-drill","product_tag-micro-diameter","first","instock","shipping-taxable","product-type-simple","entry","content-bg","loop-entry"],"acf":[],"taxonomy_info":{"product_cat":[{"value":3671,"label":"U-Drill Inserts"}],"product_tag":[{"value":4933,"label":"Deep-Hole Machining"},{"value":4940,"label":"Indexable Tooling"},{"value":2804,"label":"Indexable U-Drill"},{"value":2655,"label":"Micro Diameter"}]},"featured_image_src_large":["https:\/\/hycuttingtools.com\/wp-content\/uploads\/2026\/01\/U-Drill-Bit-Steel-Drill-Small-Diameter-U-Drill-2D3D4D5D8_\u526f\u672c-1024x1024.webp",1024,1024,true],"author_info":[],"comment_info":"","_links":{"self":[{"href":"https:\/\/hycuttingtools.com\/ru\/wp-json\/wp\/v2\/product\/1756","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hycuttingtools.com\/ru\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/hycuttingtools.com\/ru\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hycuttingtools.com\/ru\/wp-json\/wp\/v2\/media\/1763"}],"wp:attachment":[{"href":"https:\/\/hycuttingtools.com\/ru\/wp-json\/wp\/v2\/media?parent=1756"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/hycuttingtools.com\/ru\/wp-json\/wp\/v2\/product_brand?post=1756"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/hycuttingtools.com\/ru\/wp-json\/wp\/v2\/product_cat?post=1756"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/hycuttingtools.com\/ru\/wp-json\/wp\/v2\/product_tag?post=1756"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}