uxcell M6 x 40mm Double Ended Self Tapping Threaded Rods Bars Studs 10Pcs Material: Metal; Product Name: Self Tapping Threaded Rod Weight: 61g; Package Content: 10 x Self Tapping Threaded Rods Thread Size: M6/0.24" Overall Size: 6mm x 40mm/0.24" x 1.6"(D*L) Pitch: 1mm, 2.5mm