KDTU Hybrid CBN

Universal CBN Sharpening Stones Hybrid-bond CBN stones for efficient sharpening, controlled finishing, and stable performance on hard and soft steels. Abrasive Universal CBN performance Suitable for processing both hard and soft steels, including powder steels above 67 HRC. Binder Hybrid metal-organic binder The hybrid binder combines wear resistance with controlled sharpening feel and stable cutting action. Maintenance Easy cleaning and lapping The stones are easy to clean with oil or wet wipes and allow straightforward lapping and restoration of aggressiveness. Use Dry or with oil The stones can be used dry or with oil to improve finishing quality, especially during the final sharpening stages. Hapstone Magic Oil, Norton oil, and Boride oil are recommended for smoother feedback and cleaner finishing results. Authenticity Official KDTU distribution Hapstone LLC is the official North American distributor of Kyoto Diamond Tools Ukraine products for 2026. Click to enlarge Performance Efficient material removal High productivity and stable cutting performance help maintain efficient sharpening even during roughing stages. Surface Clean sharpening pattern The stones provide a clean processing surface while maintaining excellent wear resistance and long-term durability. Specifications Stone size6” × 1” × 1/8” (150 × 25 × 3 mm) Blank size6.3” × 1” × 0.16” (160 × 25 × 4 mm) AbrasiveCBN (Cubic Boron Nitride) BinderHybrid Working withWater, oil BlankAluminum Country of originUkraine Stone typeStone mounted on a 45° beveled blank .r2-case-apple{color:#191919;line-height:1.5} .r2-case-apple *,.r2-case-apple *::before,.r2-case-apple *::after{box-sizing:border-box;font-family:inherit!important} .r2-case-apple img{display:block;width:100%;height:auto;border:0;border-radius:24px} .r2-case-apple section{margin:0 0 20px} .r2-hero{text-align:center;padding:12px 0 4px} .r2-hero-copy{max-width:760px;margin:0 auto 18px} .r2-hero-media{max-width:520px;margin:0 auto} .r2-hero h1{ margin:0 0 12px; font-weight:700; letter-spacing:-0.02em; font-family:'Montserrat',sans-serif!important; color:inherit; } @media(min-width:575px){ body .r2-case-apple .r2-hero .r2-hero-copy h1.hero-text{ font-size:36px!important; line-height:50px!important; } } .r2-subtitle{ max-width:720px; margin:0 auto; font-size:19px; line-height:1.4; color:#6e6e73; } .r2-case-apple .r2-feature-card p.r2-card-label, .r2-case-apple .r2-split-copy p.r2-card-label, .r2-case-apple .r2-dark-copy p.r2-card-label, .r2-case-apple .r2-proof-strip p.r2-card-label{ font-size:12px!important; font-weight:700!important; letter-spacing:.06em!important; text-transform:uppercase; color:#6e6e73!important; font-family:'Montserrat',sans-serif!important; margin:0 0 8px; } .r2-card-label.light{ color:rgba(255,255,255,.72)!important } .r2-feature-grid{ display:grid; gap:16px; } .r2-feature-grid-3{ grid-template-columns:repeat(3,1fr); } .r2-feature-grid-2{ grid-template-columns:repeat(2,1fr); } .r2-feature-card{ background:#f5f5f7; border-radius:24px; padding:24px; } .r2-feature-thumb{ margin:0 0 18px; } .r2-feature-thumb img{ width:100%; height:auto; display:block; border-radius:18px; } .r2-feature-card h2, .r2-split-copy h2, .r2-proof-strip h2{ margin:0 0 8px; padding-bottom:0!important; font-size:26px; line-height:1.15; font-weight:700; letter-spacing:-0.02em; } .r2-split-copy h2{ font-size:28px; } .r2-feature-card p, .r2-split-copy p{ margin:0; font-size:16px; line-height:1.45; color:#373e48; } .r2-feature-card p + p, .r2-split-copy p + p{ margin-top:10px; } .r2-split{ display:grid; grid-template-columns:1fr .9fr; gap:24px; align-items:center; background:#fbfbfd; border-radius:28px; padding:28px; } .r2-split-media{ max-width:420px; margin:0 auto; } /* TECH */ .r2-dark-card{ background:#191919; color:#fff; border-radius:28px; padding:28px; } .r2-dark-card-soft{ border-radius:32px; } .r2-dark-copy{ margin-bottom:18px; } .r2-spec-grid{ display:grid; gap:16px; } .r2-spec-grid-2{ grid-template-columns:repeat(2,1fr); } .r2-spec-item{ background:rgba(255,255,255,.06); border-radius:18px; padding:18px; } .r2-spec-lines{ display:flex; flex-direction:column; gap:8px; } .r2-spec-lines div{ display:flex; justify-content:space-between; align-items:flex-start; gap:12px; } .r2-spec-lines span{ font-size:13px; line-height:1.4; color:rgba(255,255,255,.75); white-space:nowrap; flex:0 0 auto; } .r2-spec-lines b{ font-size:14px; line-height:1.45; font-weight:600; color:#fff; text-align:right; flex:1 1 auto; min-width:0; word-break:break-word; overflow-wrap:anywhere; } @media(max-width:989px){ .r2-feature-grid-3, .r2-feature-grid-2, .r2-split, .r2-spec-grid-2{ grid-template-columns:1fr; } } @media(max-width:749px){ .r2-feature-card, .r2-split, .r2-dark-card{ padding:18px; } .r2-spec-lines div{ display:grid; grid-template-columns:1fr; gap:3px; align-items:start; } .r2-spec-lines span{ font-size:12px; line-height:1.35; white-space:normal; } .r2-spec-lines b{ font-size:14px; line-height:1.4; text-align:left; white-space:normal; word-break:break-word; overflow-wrap:anywhere; } .r2-subtitle{ font-size:17px; } } /* COMPACT CERTIFICATE / TRUST BADGE */ .r2-proof-strip{ display:grid; grid-template-columns:110px 1fr; gap:18px; align-items:center; background:#f5f5f7; border-radius:24px; padding:18px; margin-bottom:20px; } .r2-proof-media{ border-radius:16px; } .r2-proof-media img{ width:100%; max-height:150px; object-fit:contain; border-radius:10px; } .r2-proof-copy h2{ margin:0 0 8px; font-size:24px; line-height:1.15; font-weight:700; letter-spacing:-0.02em; } .r2-proof-copy p{ margin:8px 0 0 0; font-size:16px; line-height:1.45; color:#373e48; } .r2-proof-hint{ margin:10px 0 0; font-size:12px !important; line-height:1.3; letter-spacing:.04em; color:#86868b !important; } .r2-proof-media:hover{ transform:translateY(-2px); box-shadow:0 10px 30px rgba(0,0,0,.08); } @media(max-width:749px){ .r2-proof-strip{ grid-template-columns:1fr; } .r2-proof-media img{ max-height:100%; } }