hexalobular socket screws - Alibaba.com
Wellbolt all sizes 2.9 3.5 4.2 6.3 stainless steel ss304 ss316 a2 a4 hexalobular socket countersunk head tapping screws jis b 1128. US $0.02-$0.10 Piece. 1000 Pieces ... OEM special yellow color Hexalobular Socket countersunk Head Tapping drilling Screws with good special thread. US $0.02 …
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