PDT (PDTools) Premium Silver CBN – Vitrified-Metal Bonded

PDT Premium Silver CBN Stone High-performance CBN stone with vitrified-metal binder for fast material removal and precision sharpening on hard steels. Cutting Fast material removal High-concentration CBN abrasive delivers rapid sharpening and precise edge forming on hard steels. Binder Vitrified-metal durability The vitrified-metal binder provides high cutting speed, long working life, and stable performance during demanding sharpening work. Use Dry or wet sharpening The stone works efficiently with or without lubrication, making it practical for different sharpening workflows. Application Optimized for hard steels PDT Premium Silver CBN Stone is designed for hard steels from 60+ HRC, where fast cutting and controlled sharpening are especially important. The 3 mm abrasive layer is mounted on a 4 mm aluminum blank, giving the stone stable support during manual sharpening. Video Premium Silver CBN in use Watch PDT Premium Silver CBN stone in sharpening work, including fast material removal and controlled edge shaping. Authenticity Official PDT distributor Hapstone is the official distributor of PDT sharpening stones. Click to enlarge Care Surface restoration The stone is designed for manual sharpening of knives, razor blades, chisels, and similar tools. The surface can be restored with silicon carbide powder on a flat surface. Open sharpening reference chart + Specifications Stone size6” × 1” × 1/8” (150 × 25 × 3 mm) Blank thickness0.16” (4 mm) Total thickness0.28” (7 mm) AbrasiveCBN (Cubic Boron Nitride) BinderVitrified-metal Working withWater, oil 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-copy p.r2-card-label, .r2-case-apple .r2-accordion-copy p.r2-card-label, .r2-case-apple .r2-showcase-copy 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-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-copy h2, .r2-accordion-copy h2, .r2-showcase-copy 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, .r2-accordion-copy h2, .r2-showcase-copy h2{ font-size:28px; } .r2-feature-card p, .r2-split-copy p, .r2-proof-copy p, .r2-accordion-copy p, .r2-showcase-copy p{ margin:0; font-size:16px; line-height:1.45; color:#373e48; } .r2-feature-card p + p, .r2-split-copy p + p, .r2-showcase-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; } /* VIDEO */ .r2-showcase-video{ display:grid; grid-template-columns:1.05fr .95fr; gap:24px; align-items:center; background:linear-gradient(180deg,#fbfbfd 0%,#f5f5f7 100%); border-radius:32px; padding:28px; } .r2-video-wrap{ width:100%; } .r2-video-frame{ position:relative; width:100%; aspect-ratio:16/9; border-radius:22px; overflow:hidden; background:#191919; } .r2-video-frame iframe{ position:absolute; inset:0; width:100%; height:100%; border:0; } /* PROOF */ .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-media:hover{ transform:translateY(-2px); box-shadow:0 10px 30px rgba(0,0,0,.08); } .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; } .r2-proof-hint{ margin:10px 0 0; font-size:12px!important; line-height:1.3; letter-spacing:.04em; color:#86868b!important; } /* ACCORDION */ .r2-accordion-card{ background:#f5f5f7; border-radius:28px; padding:24px; margin-bottom:20px; } .r2-accordion-copy h2{ margin:0 0 8px; font-size:28px; line-height:1.15; font-weight:700; letter-spacing:-0.02em; } .r2-accordion{ margin-top:18px; } .r2-accordion summary{ list-style:none; cursor:pointer; display:flex; align-items:center; justify-content:space-between; gap:14px; background:#191919; border-radius:18px; padding:16px 18px; font-family:'Montserrat',sans-serif!important; font-size:12px; line-height:1.3; font-weight:700; text-transform:uppercase; color:#f5f5f7!important; } .r2-accordion summary::-webkit-details-marker{ display:none; } .r2-accordion summary b{ width:24px; height:24px; border-radius:50%; display:flex; align-items:center; justify-content:center; font-size:18px; line-height:1; font-weight:500; flex:0 0 auto; } .r2-accordion[open] summary b{ transform:rotate(45deg); } .r2-accordion-media{ margin-top:12px; border-radius:20px; padding:16px; } .r2-accordion-media img{ width:100%; max-width:760px; margin:0 auto; height:auto; object-fit:contain; border-radius:14px; } /* 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-split, .r2-showcase-video, .r2-spec-grid-2{ grid-template-columns:1fr; } } @media(max-width:749px){ .r2-feature-card, .r2-split, .r2-dark-card, .r2-accordion-card, .r2-showcase-video{ padding:18px; } .r2-proof-strip{ grid-template-columns:1fr; } .r2-proof-media img{ max-height:100%; } .r2-accordion summary{ padding:14px 15px; } .r2-accordion-media{ padding:0!important; } .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; } }