PRODUCT SPECIFICATIONS Part #: 0000-109364 Fastener Type: Socket Set Screw Knurled Cup Point Size Description: M8 x 1.25 x 20 MM Diameter/Nominal Size: M8 Length: 20 MM Thread Pitch: 1.25 Thread Pitch Type: Coarse Thread Direction: Right System of Measurement: Metric Property Class: 45H Material: Alloy Steel Finish: Thermal Black Oxide Drive Type: Internal Hex Point Type: Knurled Cup Standards Met: ISO 4029 Average Piece Weight: 0.0115400 lbs. Socket set screws or grub screws are commonly used to secure pulleys to shafts socket set screws are generally headless and rest flush with or below the surface of the application. Set screws come in a variety of different points cup point being the most common.
