Specification Brand : MewuDecor BulletPoint1 : Material: High Quality Stainless Steel 18-8, with high level of chemical and corrosion proof. BulletPoint2 : Measure System: Inch. Pitch Size: 20 TPI (Coarse Thread). BulletPoint3 : Thread Diameter 1/4", Head Diameter 0.437", Head Height 0.132", Screw Length 1/2" (Head NOT Included), Allen Hex Drive 5/32". BulletPoint4 : Package Included: 50 x Button Head Socket Cap Screws 1/4-20 x 1/2 Inch. BulletPoint5 : Button Head Socket Screws are great to have around for use in wood and wet environments. BulletPoint6 : 【#】Main Color: Silver tone; 【#】Coarse Metric Standard; BulletPoint7 : 【#】 Kindly remind: if unit can't satisfy you, please contact my team first for solve your issues. Color : Gray,Grey DriveSystem : Internal Hex ExteriorFinish : Bright Finish ExternallyAssignedProductIdentifier1 : 4059245267156 ExternallyAssignedProductIdentifier2 : 04059245267156 FinishType : Grey GpsrSafetyAttestation : 1 GradeRating : Grade 304 IncludedComponents : Screw ItemName : 1/4-20 x 1/2" Button Head Socket Cap Screws, 18-8 Stainless Steel (304), Bright Finish, Fully Threaded, Allen Hex Drive, 50 PCS ItemPackageDimensions_Height : 9.906 centimeters ItemPackageDimensions_Length : 1.7018 centimeters ItemPackageDimensions_Width : 6.7056 centimeters ItemPackageQuantity : 50 ItemShape : Teardrop ItemTypeKeyword : socket-cap-screws LockType : Toggle Manufacturer : MewuDecor ManufacturerGrade : Grade 304 Material : Stainless Steel MeasurementSystem : Imperial MeasurementSystem1 : Imperial MeasurementSystem2 : Metric MetalType : Stainless Steel MetalType1 : Low Carbon Steel MetalType2 : Zinc ModelNumber : K0270.1061X30 NumberOfItems : 250 NumberOfPieces : 50 PartNumber : BHSS1420.12-50M ProductDescription : A socket screw is a very high-strength fastener that is commonly made from the highest grade of steel and hardened aluminum. They are also manufactured using a cold-headed process to ensure a quality product for every application. Some of the more common socket screw commercial and industrial applications, include: · Machine assemblies · Die casting · Aerospace · High-performance applications · Clamping · Automotive · Furniture