DIN 571, M5-M10 WITH DIFFERENT LENGTH,SOME SIZES IN STOCK. COMPERITIVE PRICE WITH HIGH QUALITY. Product Catalog :1) Screws: ... Material: Mild Steel ( SAE 1008, LY, Q195, ML08 )Hot forged, sizes: M20-M56; 3/4”- 2-1/4”Grade:4 & 6 ... Material: Mild Steel & middle carbon steel4) BoltsHEX BOLTS, CARRIAGE BOLTS,Sizes: M6--M30 with different lengthsStandard: DIN933/931 DIN 603 DIN558 ...