Product Information:Type: Hexagon socket head cap screw (tapered tip)Material: 316 Stainless steelThread diameter: M3 M4 M5 M6 M8 M10Metric thread diameter: M3 (3mm)M4 (4mm) / M5 (5mm)M6 (6mm)/M8 (8mm) / M10 (10mm)Metric thread pitch:0.5mm(M3) / 0.7mm(M4) / 0.8mm(M5)1mm(M6) /1.25mm(M8) / 1.5mm(M10)Thread length: 3mm-30mmSize=d * L, example: M4 * 20(thread diameter 4mm * total size 20mm) aside from head lengthKind reminder:1.If there is a challenge with the product or the size is unknown?Please touch us in a timely manner, and we can provide help to remedy the problem.2. Wholesalers and merchants are welcome.For wholesale, we will provide reductions or unfastened courier facilities in a brief era of time.3.If you do not have the scale you need, please touch us.4. We may give particular custom-made amenities for giant portions of needs, and the price and service will certainly fulfill you.5. If there are any issues of the product after sales, please contact us in a well timed manner. We will provide you with a reasonable solutionWelcome to the shop to purchase. Wishing you a contented life!