Belt sander for the grinding and polishing of even and curved surfaces. Basic Design. Can even be operated as a grinders with collet.Our DEPRAG INDUSTRIAL belt sander is designed for the grinding, smoothening and polishing of even a curved surfaces, for the bevelling of edges and the fabricating of steel, stainless-steel, brass, bronze-casting, aluminum parts, etc.DEPRAG CZ a.s. offer contact arms for belt sanders in different designs, shapes, sizes and materials - made for your application. The application range of the belt grinders is almost unlimited, due to many different contact arms that we offer. The grinders can be used for standard vertical or horizontal grinding of edges and pipes. Different size of contact wheels and thin arms allow grinding of places with limited access or inside holes. Contact arms with belt support are used on flat surfaces and arms without support are more suitable for finishing of round surfaces. The specialized construction of the contact-arms allows the efficient grinding, even in tight quarters. The contact-arms are efficiently connected to the motor of the belt-sander by a contact-wheel.