http://www.rock-hardware.com/c....ap-nut/ Details锛?/sp
Name:Cap nut
StandardIN1587
Size:M4-M24
Material:Carbon steel/stainless steel
Coating:Zp, Yzp, HDG, Geomet, Black, Self-color
Grade:GR4, GR8
Delivery time:Usually about 45days
Certification:EN10204: 3.1 Report
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