Specification Brand : uxcell BulletPoint1 : Drive Type: Hex Socket Cap Head; Head Style: Socket Cap Head; Material: Alloy Steel BulletPoint2 : Package Content: 1 x Hex Socket Head Cap Screw; Product Name: Hex Socket Head Cap Screw; Thread Size: M4 x 20mm / 0.16" x 0.8" (D*L) BulletPoint3 : Weight: 12g; Head Size: 7mm x 4mm / 0.28" x 0.16" (D*T); Hex Socket Width: 3mm / 0.12" BulletPoint4 : Main Color: Black; Thread Pitch: 0.7mm; Total Length: 104mm / 4.1" BulletPoint5 : Thread Style: Partially Thread; Grade: 12.9; Under Head Length: 100mm / 4" Color : black ExteriorFinish : Steel GradeRating : grade_12.9 ItemName : uxcell M4 x 100mm Alloy Steel 12.9 Grade Partially Thread Hex Socket Head Cap Screw ItemPackageDimensions_Height : 12.3 centimeters ItemPackageDimensions_Length : 1.8 centimeters ItemPackageDimensions_Width : 9.5 centimeters ItemTypeKeyword : socket-cap-screws Manufacturer : uxcell ManufacturerGrade : Grade 12 9 Material : Alloy Steel MetalType : Alloy Steel ModelNumber : SYNCTEA044810 NumberOfPieces : 1 PartNumber : a16042700ux1472 ProductDescription : Made of good quality alloy steel material in black, designed with hex socket head. Fixing component, industrial and construction fasteners. Used widely in the home and office appliance, communication equipment, ship assembly and other machinery industry.