Specification Brand : uxcell BulletPoint : Bolts BulletPoint1 : [Size & Package Content] -Material: 304 Stainless Steel ; Finish: Pickling; Colour: Silver; Thread Size: 1/4"-20x1-1/4"; Thread Pitch: 20 per inch; Bolt Length: 32mm / 1.26"; Head Size: 14.7mm x 3.4mm/ 0.58"x 0.13"(D*T); Square Neck Width: 6.3mm / 0.25"; Flat Washers: 8.7mm x17.4mm x1.6mm / 0.34"x 0.69"x 0.06"(ID*OD*T); Package Content: 20Set x Carriage Bolts Screws BulletPoint2 : [Sturdy Material] - The carriage bolt kits are made of 304 stainless steel with black oxide finish to make carriage bolts high strength and resistant to rust. Compared to ordinary screws, it has higher corrosion resistance, wear resistance and rust prevention, stronger strength, less prone to damage, and longer service life. BulletPoint3 : [Secure and Reliable] - The round head design and square neck of these carriage bolts enable a secure and self-locking fit when applied in square holes; The carriage bolts can be used with hex nuts and flat washers ensuring reliable and stable fastening for your projects. BulletPoint4 : [Wide Application] - Carriage bolt sets are used to fix metal to wood. Widely used in homes and offices, both indoors and outdoors, such as securing headboards, footboards, doors, bed frames, furniture, TV, engineering, or other DIY projects. BulletPoint5 : [Carriage Bolt Screws] - The carriage bolt kit has many different sizes for you to choose from; These various sizes can satisfy a wide variety of needs, ensuring robust structural support across a host of applications. BulletPoint6 : Minimum Tensile Strength: 60,000 PSI BulletPoint7 : Coating Thickness: for sizes 3/8“ & under : 0.0017” (43 microns) | for sizes over 3/8“ : 0.0020” (50 microns) BulletPoint8 : Specifications Met: ASTM F2329/F2329M or ASTM A153/A153M BulletPoint9 : RoHS Compliant Color : Silver ExteriorFinish : Hot Dipped Galvanized ExternallyAssignedProductIdentifier1 : 745373816642 ExternallyAssignedProductIdentifier2 : 0745373816642 GradeRating : Grade A ItemName : uxcell 20 Set Carriage Bolts and Nuts Kit, 1/4"-20x1-1/4 Stainless Steel 304 Round Head Square Neck Carriage Bolts Screws and Hex Nuts and Flat Washers - Silver ItemPackageDimensions_Height : 1.1 inches ItemPackageDimensions_Length : 7.09 inches ItemPackageDimensions_Width : 4.13 inches ItemPackageQuantity : 60 ItemTypeKeyword : carriage-bolts Manufacturer : uxcell ManufacturerGrade : Grade A Material : Alloy Steel MetalType : Stainless Steel ModelNumber : CB NumberOfItems : 10 NumberOfPieces : 50 PartNumber : f24110600ux0964 ProductDescription : Description: [Sturdy Material] - The carriage bolt kits are made of 304 stainless steel with pickling finish to make carriage bolts high strength and resistant to rust. Compared to ordinary screws, it has higher corrosion resistance, wear resistance and rust prevention, stronger strength, less prone to damage, and longer service life. [Secure and Reliable] - The round head design and square neck of these carriage bolts enable a secure and self-locking fit when applied in square holes; The carriage bolts can be used with hex nuts and flat washers ensuring reliable and stable fastening for your projects. [Wide Application] - Carriage bolt sets are used to fix metal to wood. Widely used in homes and offices, both indoors and outdoors, such as securing headboards, footboards, doors, bed frames, furniture, TV, engineering, or other DIY projects. [Carriage Bolt Screws] - The carriage bolt kit has many different sizes for you to choose from; These various sizes can satisfy a wide variety of needs, ensuring robust structural support across a host of applications.