CBN sharpening stones 150-50-3,/6''-2', metal bond, any grain size, Poltava

Description: CBN sharpening stones, Poltava 150 х 50 х 3 Length: 150 mm = 6 inch Width: 50 mm = 2 inchCBN thickness: 3 mm = 0.12 inch Blank thickness: 4 mm Total thickness: 7 mm Material: CBN - cubic boron nitride. It has the best cost/productivity ratio for processing of STEEL, comparing to diamond and cheaper stones. CBN is a generic name, there are also other names of this material, depending on manufacturer: borazon, elbor. CBN grit: any, please select from the list. Please refer grain size conversion chart below. Concentration 100%. Metal bond M2-01. Will last forever, although nothing is forever. Flat solid block, CBN grains are distributed evenly across the volume of the 3 mm thick stone. Trade name: Aldim, CBN metal bond stone by Poltava diamond tools. PreparationMetal bond stones with grits finer 3 microns either require preparation with SiC powders, or they will be self-polished after sharpening of 30-50 knives. Then they will be of gold color and work well. This is common issue for all manufacturers. Use and cleaningUse any comfortable oil (baby, olive..) to prevent glazing. If glazed - clean with alcohol and toothbrush. Maintenance is only needed every year or two.In 1-2 years you may need to flatten stone, 20 mins with Ferric chloride (FeCl): - 10 mins setting in 25% mixture (25 gr FeCl per 75 gr of water),- 10 mins polish movements (carefully draw "8") on glass plate. You may buy 100 gr. FeCl in grain selection window. I sell it if you buy a stone. As well as aluminum blank. 30000 grit = 0.5/0 μ - fine polishing15000 grit = 1/0 μ - fine polishing10000 grit = 2/1 μ - fine polishing5000 grit = 3/2 μ - fine polishing4000 grit = 5/3 μ - polishing3000 grit = 7/5 μ - polishing1700 grit = 10/7 μ - polishing1500 grit = 14/10 μ - polishing1100 grit = 20/14 μ - polishing650 grit = 28/20 μ - polishing550 grit = 40/28 μ - fine grinding325 grit = 50/40 μ - fine grinding285 grit = 63/50 μ - fine grinding240 grit = 80/63 μ - fine grinding225 grit = 100/80 μ - fine grinding160 grit = 125/100 μ - grinding100 grit = 160/125 μ - grinding80 grit = 200/165 μ - sharpening / rough grinding My listings of Poltava sharpening/honing stones (Length x Width x Abrasive Thickness, mm): Metal bond diamond stones 100x8x4,125x12x5, 150x25x3, 200x40x5mmResin bond diamond stones 150x25x2 Metal bond diamond honing stones Metal bond CBN stones 150x25x3 Metal bond CBN stones 150x50x3Metal bond CBN stones 200x70x3 Resin bond CBN stones 150x25x2, 100% and 200% Combined (metal-resin) bond CBN stones 150x25x3Combined bond CBN stones 150x35x3Combined bond CBN stones 150x50x3Combined bond CBN stones 200x30x3Pro Combined bond CBN stones, 200% 150x25x3 Gift boxesSet of 4 or 5 combined bond CBN sharpening stones 150x50x3Set of 4,5 or 6 combined bond CBN sharpening stones 150x12x3 Economy starter packs, diamond and CBN 150x25x3Economy Diamond and CBN stones, metal and resin bonds 150x25x3 Diamond sharpening stones: not recommended for steels with high carbon content, but perform well with hard steels, like CPM S90V. CBN sharpening stones: standard for steels. Combined bond: next generation bond, combines delicacy of resin bond on fine grains, and wear resistance of metal bonds on coarse grain sizes. Sets: preselected stones to make your choice easier: metal and combined bond sharpening stones on blanks. Pro 200% - professional stones with concentration 200% (standard stones are 100% concentration), which means higher productivity and longer tool's life. Economy: cost saving solution for most sharpening applications. "Pro" and "Economy" are the only nicknames I use for stones and I suppose it's clear why. No pathetic nicknames and brands. Just product as it should be, from trusted Poltava seller. Made in Ukraine Selection of SiC powders for dressing of sharpening stonesStoneStarting gritFinishing grit500/400 μ = 35/40= D501F16 (1230 μ)F24 (745 μ)400/315 μ = 40/45= D426F16 (1230 μ)F46 (370 μ)315/250 μ = 50/60= D301 F24 (745 μ)F46 (370 μ)250/200 μ = 60/70= D251F24 (745 μ)F60 (260 μ)200/160 μ = 70/80= D213F36 (525 μ)F60 (260 μ)160/125 μ = 100/120= D151 F46 (370 μ)F80 (180 μ)125/100 μ = 120/140= D126 F60 (260 μ)F100 (129 μ)100/80 μ = 140/170= D107F60 (260 μ)F120 (109 μ) 80/63 μ = 170/200= D91 F80 (180 μ)F150 (82 μ)63/50 μ = 230/270= D64 F100 (129 μ)F180 (69 μ)50/40 μ = 270/325= D54 F120 (109 μ)F220 (58 μ)40/28 μ = 550= M40F150 (82 μ)F240 (46 μ)28/20 μ = 650= M25 F180 (69 μ)F320 (30 μ)20/14 μ = 1100= M20F240 (46 μ)F400 (18 μ)14/10 μ = 1500= M16 F320 (30 μ)F400 (18 μ)10/7 μ = 1700= M10F400 (18 μ)F600 (10 μ)7/5 μ = 3000= M6.3 F600 (10 μ)F800 (6,7 μ)5/3 μ = 4000= M4F600 (10 μ)F800 (6,7 μ)3/2 μ = 6000= M1.5F800 (6,7 μ)F1200 (3 μ)2/1 μ = 10000F800 (6,7 μ)F1200 (3 μ)1/0 μ F800 (6,7 μ)F1200 (3 μ)0.5/0 μ F800 (6,7 μ)F1200 (3 μ) Grain conversion chart List of my wheels on stockShipping: Ukrainian post (ukrposhta.ua), registered mail with tracking number; delivery time to US, Europe - 2-4 weeks. Tracking will be available on your local post website when order arrives to your country; it is advisable to track on specialized sites like trackitonline, etc. All orders do arrive if address is correct, but delivery time of some parcels may be delayed up to 2 months because of logistics or customs issues. Please contact me first before opening case. International Buyers – Please Note: Import duties, taxes, and charges are not included in the item price or shipping cost. These charges are the buyer's responsibility.Please check with your country's customs office to determine what these additional costs will be prior to bidding or buying. Sharpening with Poltava diamond and cubic boron nitride stones Sharpening with Poltava diamond and CBN stones Video will open in a new window Using the eBay App? Paste link into a browser window: [isdntekvideo]

Price: 7 USD

Location: Poltava

End Time: 2025-01-29T19:21:13.000Z

Shipping Cost: 0 USD