Nut Bolts Set M2 M3 M4 Hex Head Bolts Nuts With Storage Box For Accurate Machinery Industries For Electronic Products Feature:1. Wear and corrosion-resistant: 304 stainless steel have good quality and durable, wear-resistant and corrosion-resistant2. Meet the different needs of users: M2, M3 and M4 bolts and nuts can meet the different needs of users and are easy to use3. Widely used in various industries: widely used in various accurate machinery branches, classified instruments, instruments, electronic products, household appliances, communication products, locks, lamps, toys, etc.4. Easy to Carry: There are 520 bolts and nuts in total, all of them will be packed in a sturdy convenient case, can be used for storage box, easy to carry5. Long service life: Hex head bolt set Bolt set has stable structure, excellent performance and long service lifeSpecification:Item Type: Hex Head Bolts NutsMaterial: Stainless Steel 304Specifications:15 x M4x8 Screw15 x M4x12 Screw15 x M4x16 Screw15 x M4x20 Screw25 x M3x8 Screw25 x M3x12 Screw25 x M3x16 Screw25 x M3x20 Screw25 x M2x8 Screw25 x M2x12 Screw25 x M2x16 Screw25 x M2x20 Screw60 x M4 Nut100 x M3 Nut100 x M2 NutPacking List:260 x Screw260 x NutNote: Please adjust the right size before use. 1) we accept Alipay, West Union, TT. All major credit cards are accepted through the payment processor's secure escrow. 2) Payment must be made within 3 days of placing the order. 3) If you can't check out immediately after the auction ends, please wait a few minutes and try again, payments should be completed within 3 days. About Shipping 1.