Gem Bids For Hex Screw Cl. 8.8 M20x90 Hw-286.76 -- As Per Specn.aa7121131 Rev. 0, Hex Bolt Cl 8.8 M8x90 Hw-187.04 --as Per Std. Aa7111122 Rev. 08, Scru Cap Soc Th Hd A-8.8 M8x16 Hw-187.29 -- As Per Specn. Aa7123125 Rev.05, Machined Washer M16 Hw-187.61 -- As Per Specn.aa7161001 Rev. 04