
Belt Buyer’s Guide: Which Abrasives to Actually Buy
Belts are the single biggest recurring cost in this hobby, and buying the wrong ones wastes money twice: once on belts that wear out fast, and again on…

Abrasives
LC200N grinds fast and clean on a standard ceramic progression and sharpens on ordinary stones. Watch heat at fillet thickness; finish crevice-free for salt.
1 min readWritten by Rich LinvilleFree to read
After the carbide monsters, LC200N is a vacation: low carbide volume means it grinds like a mid stainless, finishes cleanly, and sharpens on whatever stones you already own. The shop challenges it does bring are thinness and purpose — this steel gets built into fillet and boat blades, where the grinding discipline is about geometry, not abrasive warfare.

Standard ceramic progression, nothing exotic: 36-60 hogging annealed, 120-220 post-heat-treat, and it responds so willingly that overshooting is the actual risk. Most LC200N work is thin — fillet geometry at 0.008-0.015 behind the edge — so the disciplines are flutter control (light even pressure, constant motion) and heat (thin sections spike instantly; 58-60 HRC tempers are as burnable as any). Fresh sharp belts at low speed are the thin-blade answer, as always.

Ordinary stones work beautifully — this is the premium steel you can maintain on a basic waterstone progression, and it strops back to screaming keen in seconds. Angles: 12-15 dps for fillet work, 15-18 for general blades. The edge dulls faster than carbide steels in abrasive media and returns faster too; owners on boats appreciate exactly that trade.

Its rustproof reputation makes finish quality MORE relevant, not less: crevices and rough scratch patterns trap salt against even this steel’s passive layer. Clean satin finishes (400+ or structured-abrasive), eased plunge transitions, and hardware sealed at installation give the corrosion immunity nothing to work around. Pair it with the kydex sheath conversation — wet-duty knives deserve drainage, and leather against a boat knife wastes the steel’s whole superpower.

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Same bench
I machine the parts, hand-assemble, track and test Torus grinders in Sterling, Illinois. Most orders ship in seven to ten business days from time of order.

Current dual-axis platform with a fiber-laser-cut 6061 chassis and single-knob tracking.

Current dual-axis platform with a steel chassis, more mass and less vibration.

Prior-design aluminum chassis, 90-degree tilt and 1.5-inch tooling arms.

One-man shop
I answer my own email. Tell me the steel, the machine and what it is doing, and I will tell you what I would try next.