Amazon.com: uxcell® Computer PC Case M4 x 14mm Stainless Steel Flat Head Knurled Thumb Screw 5pcs : Industrial & Scientific
Amazon.com: M4-0.7 x 8mm Flat Head Socket Cap Screws Bolts, Stainless Steel 18-8 (304), Bright Finish, Fully Threaded, DIN 7991, 100 PCS : Industrial & Scientific
Amazon.com: X-DREE 5mm x 5mm Stainless Steel Hexagon Socket Head Set Point Grub Screws 26pcs(Viti a testa bombata con esagono incassato in acciaio inossidabile da 5 mm x 5 mm 26 pezzi :
Amazon.com: uxcell® M5 x 4mm Cone Point Hex Socket Set Grub Screw Silver Tone 25 Pcs : Industrial & Scientific
Amazon.com: Lon0167 8 piezas M4 x 0.394 in 10.9 grado cabeza avellanada plana hexagonal perno de rosca izquierda (8 piezas M4 x 0.394 in 10,9 grado Senkkopf Innensechskant Linksgewinde Bolzen : Industrial y Científico