300pcs Alloy Steel Hex Socket Button Head Cap Screw Bolt with Nut for 3D Printed Project M2.5 x 3 20mm

Screw bolts are made of high quality 12.9 Grade Alloy Steel which have superior rust resistance and the excellent of oxidation resistance, they can ensure long time using. Hex socket head bolts screws and nuts assortment kit serves a wide range of use and for professionals, amateurs, landlords, repairmen, other diy . Our screw thread is very sharp, clean and accurate. And the compact thread is not easy to out of shape and slid in the process of rolling. All of screws nuts and washers will be packed in a sturdy convenient case, can be use for a storage box, is organized to you. We strive to provide you with high quality and convenient service. You are welcome to contact us if you have any problem about our product, we will give you a satisfactory reply.