描述
M4 六角内六角沉头螺钉 锥形尖端 镀锌钢紧固件
Grub Screw is one of fastener style for securing objects without head support , it is named set screw as well , Cone point for grub screw has two different angle 120°and 90°normally and full threads from one end to another end .
Grub screw without head design and do not need a nut for securing , the specifications cover from M1.0 to M 22 ( the major diameter ) .
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$2.15
$2.15
