{"product_id":"straight-groove-manual-coffee-grinder-5-6-7-star-burr","title":"Manual Coffee Grinder - Fluted Body, Click Adjustment, 420 Stainless Steel CNC Burr, Dual Bearings, Hand Grinder 18-20 g","description":"\u003cdiv class=\"yoz-desc\" data-yoz-layout=\"2026-10\" data-yoz-format=\"2026-10-26\" style=\"max-width:880px;margin:0 auto;color:inherit;line-height:1.65;overflow-wrap:anywhere;font-size:16px;min-width:0;\" data-yoz-copy=\"2026-10-27-rewrite\" data-yoz-content-layout=\"2026-11-01\"\u003e\n\u003csection class=\"yoz-product-overview\" style=\"margin:0;padding:18px;background:#f4f7f5;border-radius:10px;border-bottom:0;\"\u003e\u003ch2 style=\"margin:0 0 14px !important;font-size:21px !important;line-height:1.35 !important;color:#173a32;font-weight:600;text-align:left;\"\u003eOverview\u003c\/h2\u003e\n\u003cp style=\"margin:0 0 14px;\"\u003eThis manual coffee grinder combines a fluted aluminum body with click-stop adjustment for a repeatable starting point in your daily brewing routine. The hopper holds approximately 18–20 g of beans, while a steel burr and dual-bearing shaft work with a hand crank instead of electrical power.\u003c\/p\u003e\u003c\/section\u003e\n\u003csection style=\"margin:0;padding:22px 0;border-bottom:1px solid #e5e8e6;\"\u003e\u003ch2 style=\"margin:0 0 14px !important;font-size:21px !important;line-height:1.35 !important;color:#173a32;font-weight:600;text-align:left;\"\u003eKey Features\u003c\/h2\u003e\n\u003cul class=\"yoz-feature-list\" style=\"margin:0 0 16px;padding-left:22px;\"\u003e\n\u003cli style=\"margin:0 0 12px;padding-left:2px;min-width:0;\"\u003e\n\u003cstrong style=\"display:block;margin-bottom:3px;font-weight:600;color:#173a32;\"\u003eReturn to your click setting: \u003c\/strong\u003eThe dial beneath the burr moves in countable steps from fine to coarse, helping you record a starting setting and adjust it between brews.\u003c\/li\u003e\n\u003cli style=\"margin:0 0 12px;padding-left:2px;min-width:0;\"\u003e\n\u003cstrong style=\"display:block;margin-bottom:3px;font-weight:600;color:#173a32;\"\u003eSelect your burr geometry: \u003c\/strong\u003eChoose a 5-Star, 6-Star or 7-Star 420 stainless steel burr, supported by a dual-bearing shaft. Star count identifies the design, not a quality rating.\u003c\/li\u003e\n\u003cli style=\"margin:0 0 12px;padding-left:2px;min-width:0;\"\u003e\n\u003cstrong style=\"display:block;margin-bottom:3px;font-weight:600;color:#173a32;\"\u003eGrind a personal portion: \u003c\/strong\u003eGrip the fluted aluminum body and turn the wood-knob crank by hand. The hopper holds approximately 18–20 g, and the grounds cup unscrews for pouring.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin:0 0 14px;\"\u003eYour results depend on the burr, beans, roast and recipe. Use the click ranges in the FAQ as a starting point, then taste and adjust. Our \u003ca href=\"\/sk-sk\/blogs\/coffee-journal\/coffee-grind-size-chart\" style=\"color:#173a32;text-decoration:underline;text-underline-offset:3px;\"\u003ecoffee grind size chart\u003c\/a\u003e has more starting points.\u003c\/p\u003e\n\u003cp style=\"margin:0 0 14px;\"\u003eTreat every range as a starting point. The right setting can move a few clicks with your burr option, beans and roast, so brew, taste and adjust one or two clicks at a time.\u003c\/p\u003e\n\u003cp style=\"margin:0 0 14px;\"\u003eWeigh each dose with a \u003ca href=\"\/sk-sk\/products\/digital-coffee-scale-timer-rechargeable-2kg\" style=\"color:#173a32;text-decoration:underline;text-underline-offset:3px;\"\u003edigital coffee scale\u003c\/a\u003e, browse our \u003ca href=\"\/sk-sk\/collections\/pour-over\" style=\"color:#173a32;text-decoration:underline;text-underline-offset:3px;\"\u003epour-over coffee gear\u003c\/a\u003e, or compare all \u003ca href=\"\/sk-sk\/collections\/coffee-grinders\" style=\"color:#173a32;text-decoration:underline;text-underline-offset:3px;\"\u003ecoffee grinders\u003c\/a\u003e. Need a bigger 25 g batch and stepless adjustment? Go with the \u003ca href=\"\/sk-sk\/products\/cnc-steel-manual-coffee-grinder-25g-dual-bearing\" style=\"color:#173a32;text-decoration:underline;text-underline-offset:3px;\"\u003eCNC Steel Manual Coffee Grinder\u003c\/a\u003e instead.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection style=\"margin:0;padding:22px 0;border-bottom:1px solid #e5e8e6;\"\u003e\u003ch2 style=\"margin:0 0 14px !important;font-size:21px !important;line-height:1.35 !important;color:#173a32;font-weight:600;text-align:left;\"\u003eHow to Use\u003c\/h2\u003e\n\u003col style=\"margin:0 0 16px;padding-left:22px;\"\u003e\n\u003cli style=\"margin:0 0 12px;padding-left:3.5rem !important;padding-inline-start:3.5rem !important;min-height:2.25rem;box-sizing:border-box;min-width:0;\"\u003eSet the grind: unscrew the grounds cup and turn the adjustment knob clockwise until it gently stops, without forcing it. Count clicks counterclockwise from this zero point to your setting.\u003c\/li\u003e\n\u003cli style=\"margin:0 0 12px;padding-left:3.5rem !important;padding-inline-start:3.5rem !important;min-height:2.25rem;box-sizing:border-box;min-width:0;\"\u003eScrew the grounds cup back on. Lift off the crank and lid and add up to about 18–20 g of whole beans.\u003c\/li\u003e\n\u003cli style=\"margin:0 0 12px;padding-left:3.5rem !important;padding-inline-start:3.5rem !important;min-height:2.25rem;box-sizing:border-box;min-width:0;\"\u003eReplace the lid and crank. Hold the body steady and turn the crank clockwise until it spins freely.\u003c\/li\u003e\n\u003cli style=\"margin:0 0 12px;padding-left:3.5rem !important;padding-inline-start:3.5rem !important;min-height:2.25rem;box-sizing:border-box;min-width:0;\"\u003eUnscrew the grounds cup and pour the grounds into your brewer. Brew, taste, then go finer or coarser one or two clicks at a time.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp style=\"margin:0 0 14px;\"\u003e\u003cstrong\u003eCare:\u003c\/strong\u003e After each use, brush out loose grounds with a dry, soft brush. Never immerse the grinder or rinse the burr assembly; if any part gets wet, let it dry completely before reassembling. For an occasional deep clean, the grinder comes apart; lay the parts out in order so they go back the same way. Get more tips in our \u003ca href=\"\/sk-sk\/blogs\/coffee-journal\/how-to-clean-coffee-grinder\" style=\"color:#173a32;text-decoration:underline;text-underline-offset:3px;\"\u003ecoffee grinder cleaning guide\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection style=\"margin:0;padding:22px 0;border-bottom:1px solid #e5e8e6;\"\u003e\u003ch2 style=\"margin:0 0 14px !important;font-size:21px !important;line-height:1.35 !important;color:#173a32;font-weight:600;text-align:left;\"\u003eSpecifications\u003c\/h2\u003e\n\u003cdl style=\"margin:0;border-top:1px solid #e5e8e6;\"\u003e\n\u003cdiv style=\"display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,200px),1fr));gap:4px 16px;padding:12px 0;border-bottom:1px solid #e5e8e6;min-width:0;\"\u003e\n\u003cdt style=\"font-weight:600;line-height:1.5;color:#173a32;margin:0;min-width:0;overflow-wrap:anywhere;\"\u003eType\u003c\/dt\u003e\n\u003cdd style=\"margin:0;min-width:0;line-height:1.6;overflow-wrap:anywhere;\"\u003eManual conical burr coffee grinder with a removable grounds cup\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,200px),1fr));gap:4px 16px;padding:12px 0;border-bottom:1px solid #e5e8e6;min-width:0;\"\u003e\n\u003cdt style=\"font-weight:600;line-height:1.5;color:#173a32;margin:0;min-width:0;overflow-wrap:anywhere;\"\u003eBurr\u003c\/dt\u003e\n\u003cdd style=\"margin:0;min-width:0;line-height:1.6;overflow-wrap:anywhere;\"\u003eCNC-machined 420 stainless steel; 5-Star, 6-Star or 7-Star\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,200px),1fr));gap:4px 16px;padding:12px 0;border-bottom:1px solid #e5e8e6;min-width:0;\"\u003e\n\u003cdt style=\"font-weight:600;line-height:1.5;color:#173a32;margin:0;min-width:0;overflow-wrap:anywhere;\"\u003eShaft\u003c\/dt\u003e\n\u003cdd style=\"margin:0;min-width:0;line-height:1.6;overflow-wrap:anywhere;\"\u003eStainless steel, supported by two bearings\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,200px),1fr));gap:4px 16px;padding:12px 0;border-bottom:1px solid #e5e8e6;min-width:0;\"\u003e\n\u003cdt style=\"font-weight:600;line-height:1.5;color:#173a32;margin:0;min-width:0;overflow-wrap:anywhere;\"\u003eAdjustment\u003c\/dt\u003e\n\u003cdd style=\"margin:0;min-width:0;line-height:1.6;overflow-wrap:anywhere;\"\u003eClick-stop dial under the burr, fine to coarse\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,200px),1fr));gap:4px 16px;padding:12px 0;border-bottom:1px solid #e5e8e6;min-width:0;\"\u003e\n\u003cdt style=\"font-weight:600;line-height:1.5;color:#173a32;margin:0;min-width:0;overflow-wrap:anywhere;\"\u003eBody\u003c\/dt\u003e\n\u003cdd style=\"margin:0;min-width:0;line-height:1.6;overflow-wrap:anywhere;\"\u003eFluted (straight-groove) aluminum alloy\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,200px),1fr));gap:4px 16px;padding:12px 0;border-bottom:1px solid #e5e8e6;min-width:0;\"\u003e\n\u003cdt style=\"font-weight:600;line-height:1.5;color:#173a32;margin:0;min-width:0;overflow-wrap:anywhere;\"\u003eCrank\u003c\/dt\u003e\n\u003cdd style=\"margin:0;min-width:0;line-height:1.6;overflow-wrap:anywhere;\"\u003eStainless steel with a solid wood knob\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,200px),1fr));gap:4px 16px;padding:12px 0;border-bottom:1px solid #e5e8e6;min-width:0;\"\u003e\n\u003cdt style=\"font-weight:600;line-height:1.5;color:#173a32;margin:0;min-width:0;overflow-wrap:anywhere;\"\u003eBean capacity\u003c\/dt\u003e\n\u003cdd style=\"margin:0;min-width:0;line-height:1.6;overflow-wrap:anywhere;\"\u003eApproximately 18–20 g\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,200px),1fr));gap:4px 16px;padding:12px 0;border-bottom:1px solid #e5e8e6;min-width:0;\"\u003e\n\u003cdt style=\"font-weight:600;line-height:1.5;color:#173a32;margin:0;min-width:0;overflow-wrap:anywhere;\"\u003eDimensions\u003c\/dt\u003e\n\u003cdd style=\"margin:0;min-width:0;line-height:1.6;overflow-wrap:anywhere;\"\u003eApproximately 165 mm tall × 162 mm handle span × 50 mm body diameter\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,200px),1fr));gap:4px 16px;padding:12px 0;border-bottom:1px solid #e5e8e6;min-width:0;\"\u003e\n\u003cdt style=\"font-weight:600;line-height:1.5;color:#173a32;margin:0;min-width:0;overflow-wrap:anywhere;\"\u003eColors\u003c\/dt\u003e\n\u003cdd style=\"margin:0;min-width:0;line-height:1.6;overflow-wrap:anywhere;\"\u003eBlack; Silver\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,200px),1fr));gap:4px 16px;padding:12px 0;border-bottom:1px solid #e5e8e6;min-width:0;\"\u003e\n\u003cdt style=\"font-weight:600;line-height:1.5;color:#173a32;margin:0;min-width:0;overflow-wrap:anywhere;\"\u003ePower\u003c\/dt\u003e\n\u003cdd style=\"margin:0;min-width:0;line-height:1.6;overflow-wrap:anywhere;\"\u003eManual; no electricity needed\u003c\/dd\u003e\n\u003c\/div\u003e\n\u003c\/dl\u003e\n\u003cp style=\"margin:0 0 14px;\"\u003eAll measurements are approximate.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection style=\"margin:0;padding:22px 0;border-bottom:1px solid #e5e8e6;\"\u003e\u003ch2 style=\"margin:0 0 14px !important;font-size:21px !important;line-height:1.35 !important;color:#173a32;font-weight:600;text-align:left;\"\u003eWhat's Included\u003c\/h2\u003e\n\u003cul style=\"margin:0 0 16px;padding-left:22px;\"\u003e\n\u003cli style=\"margin:0 0 12px;padding-left:2px;min-width:0;\"\u003e1 × Grinder body with your selected burr\u003c\/li\u003e\n\u003cli style=\"margin:0 0 12px;padding-left:2px;min-width:0;\"\u003e1 × Stainless steel crank with wood knob\u003c\/li\u003e\n\u003cli style=\"margin:0 0 12px;padding-left:2px;min-width:0;\"\u003e1 × Removable grounds cup\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin:0 0 14px;\"\u003eCoffee beans and brewing gear shown in the photos are not included.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003csection style=\"margin:0;padding:22px 0;border-bottom:1px solid #e5e8e6;\"\u003e\u003ch2 style=\"margin:0 0 14px !important;font-size:21px !important;line-height:1.35 !important;color:#173a32;font-weight:600;text-align:left;\"\u003eFAQ\u003c\/h2\u003e\n\u003cdetails style=\"padding:14px 0;border-bottom:1px solid #e5e8e6;margin:0;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;line-height:1.5;font-size:16px;color:#173a32;\"\u003e5-Star vs. 6-Star vs. 7-Star burr: which should I choose?\u003c\/summary\u003e\u003cp style=\"margin:10px 0 0;\"\u003eAny of them, based on preference; all three are CNC-machined 420 stainless steel and adjust from fine to coarse. The star number names the burr design and does not guarantee a particular result. Start with the grind guide for your method and adjust by taste.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails style=\"padding:14px 0;border-bottom:1px solid #e5e8e6;margin:0;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;line-height:1.5;font-size:16px;color:#173a32;\"\u003eWhat grind setting should I use for espresso, pour-over and French press?\u003c\/summary\u003e\u003cp style=\"margin:10px 0 0;\"\u003eStart at espresso 8–12 clicks, pour-over 18–24 and French press 25–30, counting from zero (knob turned clockwise until it stops). For AeroPress and moka pot, start between the espresso and pour-over ranges. Then adjust one or two clicks at a time by taste.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails style=\"padding:14px 0;border-bottom:1px solid #e5e8e6;margin:0;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;line-height:1.5;font-size:16px;color:#173a32;\"\u003eIs the grind adjustment stepped or stepless?\u003c\/summary\u003e\u003cp style=\"margin:10px 0 0;\"\u003eStepped. The dial clicks from fine to coarse, so settings are easy to count and repeat. Prefer stepless adjustment and a larger 25 g capacity? See the \u003ca href=\"\/sk-sk\/products\/cnc-steel-manual-coffee-grinder-25g-dual-bearing\" style=\"color:#173a32;text-decoration:underline;text-underline-offset:3px;\"\u003eCNC Steel Manual Coffee Grinder\u003c\/a\u003e.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails style=\"padding:14px 0;border-bottom:1px solid #e5e8e6;margin:0;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;line-height:1.5;font-size:16px;color:#173a32;\"\u003eCan this manual grinder grind fine enough for espresso?\u003c\/summary\u003e\u003cp style=\"margin:10px 0 0;\"\u003eStart around 8–12 clicks from zero. The grind espresso needs depends on your beans, machine and basket, so treat this as a starting point. Adjust one click at a time while checking flow, yield and taste; star count alone does not guarantee espresso performance.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails style=\"padding:14px 0;border-bottom:1px solid #e5e8e6;margin:0;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;line-height:1.5;font-size:16px;color:#173a32;\"\u003eHow many grams of coffee does it hold?\u003c\/summary\u003e\u003cp style=\"margin:10px 0 0;\"\u003eAbout 18–20 g of whole beans, enough for one mug of pour-over. The actual fill varies with bean size and roast.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails style=\"padding:14px 0;border-bottom:1px solid #e5e8e6;margin:0;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;line-height:1.5;font-size:16px;color:#173a32;\"\u003eIs this hand grinder good for travel?\u003c\/summary\u003e\u003cp style=\"margin:10px 0 0;\"\u003eYes. At about 165 mm tall and 50 mm across, with no power needed, it packs easily for trips, camping or the office.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails style=\"padding:14px 0;border-bottom:1px solid #e5e8e6;margin:0;\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;line-height:1.5;font-size:16px;color:#173a32;\"\u003eDoes it need charging or batteries?\u003c\/summary\u003e\u003cp style=\"margin:10px 0 0;\"\u003eNo. The hand crank does all the work.\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e","brand":"Yozcoffee","offers":[{"title":"Black \/ 5-Star","offer_id":60039969407262,"sku":"YOZ-MG2IN1-BLK-5S","price":63.95,"currency_code":"EUR","in_stock":true},{"title":"Black \/ 6-Star","offer_id":60039969440030,"sku":"YOZ-MG2IN1-BLK-6S","price":69.95,"currency_code":"EUR","in_stock":true},{"title":"Black \/ 7-Star","offer_id":60039969472798,"sku":"YOZ-MG2IN1-BLK-7S","price":72.95,"currency_code":"EUR","in_stock":true},{"title":"Silver \/ 5-Star","offer_id":60039969505566,"sku":"YOZ-MG2IN1-SLV-5S","price":63.95,"currency_code":"EUR","in_stock":true},{"title":"Silver \/ 6-Star","offer_id":60039969538334,"sku":"YOZ-MG2IN1-SLV-6S","price":69.95,"currency_code":"EUR","in_stock":true},{"title":"Silver \/ 7-Star","offer_id":60039969571102,"sku":"YOZ-MG2IN1-SLV-7S","price":72.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0998\/3229\/9806\/files\/unnamed_d388076d-c426-42f4-a8c7-ea2197527f9d.webp?v=1794307032","url":"https:\/\/yozcoffee.com\/sk-sk\/products\/straight-groove-manual-coffee-grinder-5-6-7-star-burr","provider":"Yozcoffee","version":"1.0","type":"link"}