【Harwin】R40-3013002,电路板硬件 - PCB M4 x 30mm HEX 7mmA/F ML/FML NICKEL
【Harwin】R40-4000502,电路板硬件 - PCB M4 x 5mm HEX 7mm A/F 6mm ML/ML NICKEL
R40-4000602,HEX STANDOFF M4X0.7 BRASS 6MM
R40-4000802,HEX STANDOFF M4X0.7 BRASS 8MM
【Harwin】R40-4001002,电路板硬件 - PCB M4 x 10mm HEX 7mmA/F 6mm ML/ML NICKEL
R40-4001202,HEX STANDOFF M4X0.7 BRASS 12MM
R40-4001402,HEX STANDOFF M4X0.7 BRASS 14MM
【Harwin】R40-4001602,电路板硬件 - PCB M4 x 16mm HEX 7mmA/F 6mm ML/ML NICKEL