Cap Nut Details锛?/span> 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 Introduction锛?/span> DIN 1587 hexagon domed cap nuts are often referred to as acorn cap nuts. These nuts have a smooth rounded head that covers the hex nut base. The domed surface protects the bolt threads underneath while providing a finished appearance and may improve safety in certain circumstances. ROCK CATALOGUE Drawing锛?/span> FAQ锛?/span> Q: Can you do our own packaging? A: Yes, you just provide the package design and we will produce what you want. We also have a professional designer who can help you do the packaging design. Q: Do you provide samples? Is it free? A: If the sample is low value, we will provide the free sample with freight collected. But for some high-value samples, we need to collect the sample charge.Cap Nut website:http://www.rock-hardware.com/cap-nut/