【APM HEXSEAL】R4-40X7/8,螺丝和紧固件 SEELSKREW STD PH REC 4-40 THD .875" LG
【APM HEXSEAL】R4-40X7/8 2701,螺丝和紧固件
【APM HEXSEAL】R4-40X9/16,螺丝和紧固件 SEELSKREW STD PH REC 4-40 THD .5625" LG
R4-40X9/16 2701,MACHINE SCREW PAN PHILLIPS 4-40
R440-YWSS,POST-IT SUPER STICKY POP-UP NOTE
【Harwin】R44-1000602,电路板硬件 - PCB 4-40 UNC x 6mm BRASS 5mm A/F
【Harwin】R44-1000902,电路板硬件 - PCB 4-40 UNC x 9mm BRASS 5mm A/F