M4: Head dia:8mm Head thk: 6mm. M2: Head dia:5mm Head thk: 5mm. M2.5: Head dia:5mm Head thk: 5mm. M6: Head dia:10mm Head thk: 8mm.
Knurled Stainless Steel Thumb Screw M2 M3 M4 M5 M6 Flat Head Thumbscrew Bolt
2x Rounded Stainless Steel Shower Door Handle 145mm Hole Bathroom Door Handle UK
M3 M4 M5 M6 M8 M10 M12 STAINLESS STEEL RIVNUTS BLIND NUTSERTS KNURLED RIVET NUTS
KNURLED THUMB NUTS STAINLESS STEEL HAND GRIP KNOBS M2 M2.5 M3 M4 M5 M6 M8 M10
KNURLED THUMB NUTS STAINLESS STEEL HIGH AND LOW TYPE M2 M2.5 M3 M4 M5 M6 M8 M10