supply of set of bolts and nutsset of bolts and nuts,bolt hex head of size: 1/2 inch x 20 x 1-1/4 inch turbo charger and air duct mounting to em d part no 181429 and to dlw part no.19014077 [ warranty period: 30 months after the date of delivery ] ] , washer special as per to emd drawing no.8140912, blw part no.19394070. [ warranty pe riod: 30 months after the date of delivery ] ] , high tensile bolt to size 1/2 - 20unf x 2.5 with lock nut as per bgkt sketch no. 20200203 [ warranty period: 30 months after the date of delivery ] ] , hex head bolt size 1/2 - 20 x 1-1/2 inch to emd pt.no.181431 [ warranty period: 30 month s after the date of delivery ] ] , bolt hex head 3/8 inch-16 tpi x 1-3/4 inch long to dlw part no.19012068 and dlw drg. no. 179845 alt-ea [ warranty period: 30 months after the date of delivery ] ] , hex nut size: 1 inch- 14 tpi slflkg as per drg. no. 8134735 [ warranty period: 30 mo nths after the date of delivery ] ]