supply of industrial safety helmet to size - 580 mm , industrial safety helmet to size - 580 mm having glazed surface finish and made as per is:2925-1984. the helmet shall be made of hdpe/abs grade plastic material suitable for use in heat zone application. the helmet shall have nape strap type adjustable inside plastic head band with nilon tape chin strap. sweat absorption pad should be provided at the fron t of head band inside. an opening slot of 20mm x 3mm on both sides of the helmet is to be pr ovided for fixing ear muffs. the helmet should be isi/dgms approved and hence the helmet s hall have isi/dgms mark. indian railway monogram shall be screen printed on the front side of the helmet. colour-navy blue-40 nos, yellow-260 nos ( make-udyogi/karam/safewell/innos afe). one sample to be approved before supply full quantity. catalogue to be attached. [ wa rranty period: 30 months after the date of delivery ] ]