Guides

The right drill bit is a hair larger than your pin — snug, with room for epoxy. Here are the recommended drill sizes for 1/16″ through 7/16″ pin stock, plus the bits and pins you need, in stock.

Free knife-steel heat-treating data sheets for stainless, high-carbon and tool steels — from 1084 and 1095 to AEB-L, Nitro-V and CPM grades — courtesy of NJSB, plus the steel and kilns we stock.

How much power do you need for a 2×72 grinder motor or VFD? A plain-language guide to 115v and 230v shop circuits, breakers and wire — matched to the KBAC drives and motors we stock.

Aluminum oxide, zirconia, silicon carbide or ceramic? How to choose the best 2×72 sanding belt for your grinder — belt materials, grit ranges and backing weights explained, plus the VSM belts we stock.

KB Electronics KBAC AC drives from an authorized Canadian re-seller. How a VFD works, which KBAC model fits your 3-phase motor (24D, 27D, 29), the NEMA 4X rating, and the drives and motors we stock.

Grinding belts wearing out fast? Five simple maintenance habits — dust extraction, cleaning your platen and wheels, and proper storage — that make your 2×72 belts last noticeably longer.

Recommended grinding speeds (SFPM) by material, from aluminum to titanium and tool steel — with a drive-wheel size grid for your 2×72 grinder, and the belts and wheels to dial it in.

SOOW vs SJOOW cord for your belt grinder, plus the right wire gauge and strain-relief size for your motor and VFD amperage. Clear recommendations and the cable and wire kits we stock.

Canadian-made VSM Ceramic Plus 2×72 belts from Nexus Grinders. Self-sharpening, cool-cutting ceramic grain in 36 to 120 grit — why they outlast aluminum oxide, and the full VSM belt range we stock.

Smooth or serrated, rubber or urethane — a plain guide to 2×72 contact wheels and where to buy them. Nexus no longer sells contact wheels, but we stock the drive, idler and tracking wheels you need.

Step-by-step instructions for fitting Nexus aluminum drive, idler and tracking wheels to your grinder — how to seat the wheel, align the keyway and set tension without damaging your motor or bearings.

Which motor and VFD should you run on a 2×72 belt grinder? A guide to 3-phase and single-phase motors, KBAC VFDs, NEMA ratings and four recommended setups — plus the motors and drives we stock in Canada.