552pcs/set External Hex Bolt Set with Nuts Stainless Steel m3 m4 m5 m6 Bolts and Nuts Set Hexagon Head Screw Kit for Bicycle

High-concerned chemical : None Dimensions : M3*6 DIY Supplies : Metalworking is_d : Yes Drive Style : External Hex Model Number : DIN933 Head Style : Hex Screw Type : Machine Screws Material : Stainless steel Brand Name : NINDEJIN Origin : Mainland China Certification : RoHS Package Quantity : 500-799Pcs Sizes : m3 m4 m5 m6 Application : construction, manufacturing, engineering Type : Screws and nuts set