12 Pcs M4 x 10mm Threaded Knurled Thumbscrew, Monitor x 10mm, hex head

M4 Knurled Thumb Screw Bolts Multiple lengths Black Clamping Knob 4mm x .7mm

10pcs M3 Fully Threaded Knurled Thumb Screws Bolts 6mm 8,10, 12,16, 20, 25,30mm

M5 Knurled Thumb Screw Hand Tighten Screw Hand Grip Knob Bolt For Camera Tripod

2" Knurled Hex Socket Head Screw USIP

Black Knurled Hex Socket Head Socket Cap Screw USIP

Steel Partially Threaded Knurled Socket Cap Screw USIP

304 Stainless Steel Knurled Thumb Screws M2 M2.5 M3 M4 M5 M6 M8 M10