Product Description: Model: Self Tapping Screws Hex Drive Material: A2 304 stainless steel Standard: ISO7380 Size:M3,M4,M5,M6  Brand: GooBetter Fastener  Eg：M3*6mmx5pcs（M3=Thread diameter、6mm=The length of the screw、5pcs=The number of screws） Terms of sales： If you are not satisfied with the item, please contact with us. We will offer Full Refund to you when we receive your returned item. Any problem, please feel free to contact with us. About us: If you are satisfied with the products,I expect you can leave us a positive feedback. If you have any problem or be not satisfied with them,please feel free to contact us,we will reply you within 24 hours. Contact us:  We care about our valued buyers, if you have any questions, our Customer Service staffs will be very glad to help you. We try our best to reply to your emails as soon as possible, however, due to high volume of daily incoming emails and time zone difference, we may not be able to reply your emails immediately. Please allow 24 business hours for us to response. About item:For the functional products in our shop, we make sure that the functions are the same as description, but the actual color and shape may looks a little different from pictures because of the technical improvement and manufacturing variance. Please be advised before you bid. #Button #Round #Pan #Screws #Bolts #Self-Tapping #Socket