ITEM NAME:M6 Carbon Steel Grade 8 Hexagon Hex Nut Black 50pcs J9Z8 M6 Carbon Steel Grade 8 Hexagon Hex Nut Black 50pcs J9Z8 Thread Size: M6/0.24 inch (D); Product Name: Hex Nut Material: Carbon Steel; Weight: 106g Color: Black Height: 5mm/0.2 inch; Hex Size: 10mm/0.4 inch (Hex.Width) Grade: 8 Hex head, female threaded inside. Finished hex nuts are standard nuts used with a machine or cap screw for mechanically joining materials together. Used widely for matching screws or bolts. Package Content: 50(+/-2%)pcs x Hex Nut Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm..Hex head, female threaded inside. Material: Carbon Steel; Weight: 106g.