M10 X 20 Socket Button BZP 10.9 High Tensile PK10
Big Bear Bolts
£1.31
BZP Socket Buttons are zinc plated. Button Head Socket Cap Screws are threaded fasteners with a rounded head and a recessed hexagon drive . Button Socket Heads are turned with a hexagon shaped key and are able to be tightened to much higher torque specifications than a slotted or cross recessed drive machine screws. Grade 10.9 is a high tensile bolt . These are made up of carbon steels and low boron steels. The material is heat treated by quenched and tempered methods. DIN7380
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