5/16" x 1 1/2" BSW Setscrew Hex BS1083:1965 in Grade R steel.Washer faced,Single chamfer.TPI: 185/16" x 1 1/2" BSW Setscrew Hex BS1083:1965£1.75PriceFinish*SelectDiameter*SelectLength*SelectGrade*SelectQuantity*Add to CartDeliveryDelivery costs are based on the weight of your orderUK Delivery: 3 to 5 business daysInternational: 5 to 7 business days