Qualfast: 1. UNC X 4. Hex Head Bolt (GR-5) UNC Thread BS1768. Grade 5 Self-Colour. MPN: U01000.100.0400 EAN: 1. UNC X 4. Hex Head Bolt (GR-5) Attributes: Box Quantity: Driving Features: Hexagon Grade: 5 Head Shape: Hexagon Head Length: 4in Material: Steel Standards Met: BS 1768 DIN 931 Surface Treatment: Plain Thread: UNC Thread Direction: Right Hand Thread Size: 1
