Vigrue 288Pcs M6 M8 Button Head Hex Socket Cap Screws Bolts Nuts, Fully Threaded Product Details Size: M6 Button Head Socket Cap Bolts/M8 Button Head Socket Cap Bolts. M6 Button Hex Head Cap Screws Screws: M6 x 12mm*12pcs, M6 x 14mm*10pcs, M6 x 16mm*10pcs, M6 x 20mm*9pcs, M6 x 25mm*8pcs, M6 x 30mm*7pcs, M6 nuts 56pcs, M6 washers 56pcs M8 Button Hex Head Cap Screws: M8 x 12mm*10pcs, M8 x 16mm*9pcs, M8 x 20mm*8pcs, M8 x 25mm*7pcs, M8 x 30mm*6pcs, M8 nuts 40pcs, M8 washers 40pcs 10.9 Alloy Steel: Class 10.9 Steel are considered hardened, providing a high strength, high tensile fastening solution, coated with zinc black provides better rust resistance, won't strip easily. Wide Range of Applications:This kit can be widely used in all kinds of precision machinery industry, classified instruments, instruments, electronic products, household appliances, communication products, locks, lamps, lights, toys, etc. Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.