Parts List: 530×Screws 535×Nuts 535×Flat Washers 1×Wrench Highlight What You Get : The set includes 280pcs M3 hex socket head cap screw (M3 x 5/6/8/10/12/16/20/25/30 mm) , 250pcs M3 hex socket button head screw (M3 x 6/8/10/12/16/20/25/30/35 mm) , 535pcs M3 nuts , 535pcs flat washers and 1 wrench , meeting various 3D printing assembly needs High Strength Carbon Steel : All M3 metric screws are made of 12.9 grade high strength carbon steel with an oxidized black surface treatment for exceptional performance . Precision cutting ensures smooth , burr free surfaces and clear , accurate threads Thoughtfully Organized Storage : This M3 screw set contains 1600 precision components , including screws , nuts , and washers , easily satisfying diverse project requirements with tidy storage Easy to Access : The 1600 piece standard parts set supports multiple projects simultaneously . Scientifically partitioned packaging keeps each size of screws , nuts , and washers clearly visible , allowing quick access and streamlining assembly work Versatile Across Fields : Suitable for furniture assembly , electronic device repair , 3D printing , and especially suitable for precision assembly like robot manufacturing , ensuring accurate alignment and reliable fixation of every connection Detailed Specifications : This M3 screws assortment kit is made of premium carbon steel and has reliable performance . It has a variety of sizes to meet the various needs of 3D printing assembly . It adopts a classified storage design to facilitate finding the required size and improve work efficiency . Features : Classification Storage Design : The classification storage design makes each part within reach , helping you quickly locate the required specifications , significantly improving work efficiency , and making creative assembly more efficient . Product Name : M3 Screws Assortment Kit Material : Carbon Steel Hex socket head cap screw size : M3x5 (40PCS), M3x6 (40PCS), M3x8 (40PCS), M3x10 (40PCS), M3x12 (30PCS), M3x16 (30PCS), M3x20 (25PCS), M3x25 (20PCS), M3x30 (15PCS) Hex socket button head screw size : M3x6 (40PCS), M3x8 (40PCS), M3x10 (40PCS), M3x12 (30PCS), M3x16 (30PCS), M3x20 (25PCS), M3x25 (20PCS), M3x30 (15PCS), M3x35 (10PCS) Color : Black 【High Strength Carbon Steel】 : All M3 metric screws are made of 12.9 grade high strength carbon steel with an oxidized black surface treatment for exceptional performance . Precision cutting ensures smooth , burr free surfaces and clear , accurate threads【What You Get】 : The set includes 280pcs M3 hex socket head cap screw (M3 x 5/6/8/10/12/16/20/25/30 mm) , 250pcs M3 hex socket button head screw (M3 x 6/8/10/12/16/20/25/30/35 mm) , 535pcs M3 nuts , 535pcs flat washers and 1 wrench , meeting various 3D printing assembly needs【Thoughtfully Organized Storage】 : This M3 screw set contains 1600 precision components , including screws , nuts , and washers , easily satisfying diverse project requirements with tidy storage【Easy to Access】 : The 1600 piece standard parts set supports multiple projects simultaneously . Scientifically partitioned packaging keeps each size of screws , nuts , and washers clearly visible , allowing quick access and streamlining assembly work【Versatile Across Fields】 : Suitable for furniture assembly , electronic device repair , 3D printing , and especially suitable for precision assembly like robot manufacturing , ensuring accurate alignment and reliable fixation of every connection

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