Dowel Pin Size: 13x30mm/0.51"x1.18"(D*H); Thread Dowel: M8*1.25; Internal Thread Depth: 10mm/0.39"; Material: SUJ2 Bearing Steel; Style: Chamfering Flat Exhaust Groove; Above Chamfering: 2.5mm; Hardness: HRC55-62||These cylindrical pins are made of SUJ2-bearing steel, very smooth surface, anti-rust, anti-corrosion, solid and durable for extended use.||Pins are internal threaded cylindrical fasteners, that fix a component's position, join components, or maintain alignment between them, used for positioning and connecting two parts, to make your equipment more stable.||Mainly used for wooden products, double bed, bookshelf, shelf, outdoor shade shed, cabinet partition, etc.; metal devices, such as punching punch, industrial, fixture, pin gauge, hinge or shaft fixed application.||Chamfered ends add a hint of detail, and allow for easy insertion of dowel pins into any hole, while also can make installation easier.