supply of supply of stainless steel allen bolts m4 , supply of stainless steel allen bolts m4 series (hexagon socket head cap screws) of aisi 304 / a2-70 grade, fully threaded, manufactured and dimensionally conforming to is:2269 (latest) with mechanical and material properties confirming to is:1367 (part-14) (latest), each bolt to be supplied with tw o matching stainless steel hex nuts conforming to is:1364 (latest) and two stainless steel washers (one plain washer conforming to is:2016 (latest) and one s pring washer conforming to is:3063 (latest)). all items shall be corrosion-resistant, brand-new, free from burrs and manufacturing defects, supplied strictly fro m approved makes unbrako,tvs,apl,lps,pioneer or similar packed with clearly marked with size/length/quantity/brand/batch no., and accompanied by manufacturer?s test certificate (mtc) confirming material grade; detailed size and length matrix with quantity is enclosed in annexure-a. (note:-complete an nexure-a is consider as equal to one set) [ warranty period: 30 months after the date of delivery ] ]