PRODUCT SPECIFICATIONS Part #: 0000-108098 Fastener Type: Hex Cap Screw (Bolt) Size Description: M4 x 0.70 x 40 MM (FT) Diameter/Nominal Size: M4 Length: 40 MM Thread Pitch: 0.70 Thread Pitch Type: Coarse Thread Direction: Right Thread Coverage: Full System of Measurement: Metric Property Class: 8.8 Material: Medium Carbon Steel Finish: Zinc Plated Head Type: Hex Drive Type: External Hex Standards Met: DIN 933 / ISO 4017 Average Piece Weight: 0.0087300 lbs. Hex Cap Screws are similar to hex bolts but are manufactured with tighter tolerances than hex bolts for socket or wrench tightening hex cap screws are available in both fully threaded and partial threaded varieties and in many different materials.