Conveyor components Guide rail clamps Part. 521 Guide rail clamp(for Part.501, 502) Example of applications Zinc plated steel 521 / 87310 Stainless steel AISI 304 521 / 87311 MATERIALS: Clamp made in zinc plated steel or in stainless steel AISI 304. FEATURES: To be used with Part.501, 502. If mounted on double, triple or quadruple type side guides, use a suitable spacer (see drawing opposite). BOX QUANTITY: 24 pieces. ON REQUEST: • Box quantity: According to your request. Part 548 Clamp kit for guide rail(single type, rectilinear and curvilinear) _Material_Code Zinc plated steel 548 / 90440 Stainless steel AISI 304 548 / 90441 MATERIALS: Pin, clamp, nut and screw in zinc plated steel or stainless steel AISI 304. FEATURES: To be used with side guides Part.501, 502. ON REQUEST: • Box quantity: According to your request.