... factory 3.Best price. 4.Good quality DIN 931 Hexagon head bolts ItemDescriptionNameDIN 931 Hexagon head boltsStandardDin, ISO, ASTM, BC, JS. ... , etc.PackingCarton/ Pallet, or according to customer's requirement.Software for Drawing Pro/E, UG, AutoCAD, Solidwork 2001, CAXAQuality CertificationsISO9001: 2000RoHS ... customer's drawings and sample.Welcome to contact us. DIN 931 HEXAGON HEAD BOLTS