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Hapstone Premium CBN stones set
USD 558.00
Hapstone USA
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Hapstone Premium CBN Sharpening Stones Premium CBN sharpening stones with metal-organic bond and 100% CBN concentration for precise, durable, and controlled sharpening. CBN abrasiv
e For modern hard steels Made from cubic boron nitride powder and suitable for advanced steels up to 68+ HRC. Bond system Metal-organic bond Provides durability close to metal bonds while keeping the sharpening feel smoother and more controlled. Concentration 100% CBN grain High CBN concentration delivers strong cutting performance and consistent work across the full grit progression. Grit range 200/160 µm80 grit 100/80 µm150 grit 40/28 µm400 grit 20/14 µm800 grit 7/5 µm2000 grit 3/2 µm5000 grit Micron range Full CBN progression Hapstone Premium CBN stones cover the full sharpening progression from coarse metal removal to fine edge refinement. Available grit sizes: 200/160 µm, 100/80 µm, 40/28 µm, 20/14 µm, 7/5 µm, and 3/2 µm. Performance Durable, smooth, and precise Hapstone Premium CBN stones combine high durability with a comfortable sharpening feel often compared to Japanese water stones. CBN grains work efficiently and smoothly, helping minimize unwanted scratches while producing a refined cutting edge. Finishing Complete with diamond suspension For ultra-fine finishing and mirror polish, use Hapstone Poly Diamond Suspension after the fine CBN stones. This helps complete the sharpening progression with a cleaner and more refined final edge. Best for • Powder metallurgy steels • High-hardness steels • Ceramic knives • Guided sharpening systems • Full sharpening progression Specifications Stone size 6" × 0.94" × 0.12" (150 × 24 × 3 mm) Blank size 6.3" × 0.94" × 0.2" (160 × 24 × 5 mm) Working layer 0.12" (3 mm) Abrasive CBN Concentration 100% Binder Hybrid Blank Anodized aluminum blank Working with Oil, water, without lubricants Country of origin Ukraine Stone type Stone 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-feature-media { margin: -8px -8px 16px; } .r2-feature-media img { border-radius: 20px; } .r2-hero h1{ margin:0 0 12px; font-weight:700; letter-spacing:-0.02em; font-family:'Montserrat',sans-serif!important; } @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{ margin:0 0 8px; font-size:12px!important; font-weight:700!important; letter-spacing:.06em!important; text-transform:uppercase; color:#6e6e73!important; font-family:'Montserrat',sans-serif!important; } .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-card-1{ align-content: center; } .r2-feature-card h2, .r2-split-copy h2{ margin:0 0 8px; font-size:26px; font-weight:700; padding-bottom:0!important; } .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; } .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; color:rgba(255,255,255,.75); } .r2-spec-lines b{ font-size:14px; color:#fff; text-align:right; } @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; } .r2-spec-lines b{ text-align:left; word-break:break-word; overflow-wrap:anywhere; } .r2-subtitle{font-size:17px} } .r2-duo{ display:grid; grid-template-columns:.2fr 1fr; gap:16px; margin-bottom:20px; } .r2-package-card{ background:#f5f5f7!important; color:#191919; } .r2-package-list{ display:grid; gap:10px; } .r2-package-list div{ display:grid; grid-template-columns:auto auto; justify-content:center; gap:12px; align-items:center; } .r2-package-list b{ font-size:15px; line-height:1.45; font-weight:600; color:#191919; text-align:left; } .r2-package-list span{ font-size:14px; line-height:1.45; color:#6e6e73; } @media(max-width:989px){ .r2-duo{ grid-template-columns:1fr; } }
