Specification Brand : GRAINGER APPROVED BulletPoint1 : Price For: Each Head Dia.: - Shoulder Length: - Tensile Strength: - Driver Size: - Drive Type: - Meets/Exceeds: - Head Thickness: - Tip Type: - Class: - Tip Material: - System of Measurement: Inch Head Type: Spade Temp. Range (F): - Item: Thumb Screw, Type P Head Height: 0.48 to 0.52" Head Material: Steel, Zinc BulletPoint2 : Rockwell Hardness: Brinell Min 137 Thread Size: 1/4-20 Material: Steel Length: 3/4" Finish: Zinc Plated Head Width: 0.80 to 0.83" Country of Origin (subject to change): Multiple BulletPoint3 : Clamping Knob Grip Dimensions. Width: 38mm Thickness: 12.5mm Has an ergonomic sturdy grip for fast adjustment without a wrench BulletPoint4 : Versatile Thumb Screw Design – suitable for a wide range of applications, including machinery assembly, panel fastening, and DIY projects, ensuring easy installation and removal with just a simple twist. BulletPoint5 : Made in USA by a Family Owned Small Business Color : Black DriveSystem : Thumb ExteriorFinish : Zinc GradeRating : 18-8 ItemName : Thumb Screw, SPD, 1/4-20, 3/4 L, PK25 ItemPackageDimensions_Height : 1 inches ItemPackageDimensions_Length : 6 inches ItemPackageDimensions_Width : 9 inches ItemPackageQuantity : 1 ItemTypeKeyword : thumb-screws Manufacturer : GRAINGER APPROVED ManufacturerGrade : Grade 304 Material : Steel MeasurementSystem : Imperial MetalType1 : Zinc MetalType2 : Alloy Steel ModelNumber : TSSS NumberOfItems : 12 PartNumber : TSI0250075P0-025P ProductDescription : ' Thumb Screw, Type P, Spade Head, Thread Size 1/4-20, Length 3/4 In, Steel, Finish Zinc Plated, Head Width 0.80 to 0.83 In, Head Material Steel, Zinc, Rockwell Hardness Brinell Min 137, Package Quantity 25 ' ProductSiteLaunchDate : 2014-11-01T12:00:00.000-08:00 Size : 0.75 inches SupplierDeclaredDgHzRegulation : unknown UnitCount : 1 UnspscCode : 31161500