Specification Brand : uxcell BulletPoint : 2101-0214 Systems LLC Nut, Flange, Top L/N, 5/16 - 18Unc BulletPoint1 : [Hexagon Slotted Nut] - Nut Size: 3/4-16 UNF; Thread Number: 16; Slot Width: 5.33mm/0.21". BulletPoint2 : [SIZE] - 1.17" (29.72mm) width across flat, 0.64" (16.26mm) height, 0.39" (9.91mm) full thread height, Grade: 6.8 BulletPoint3 : [Material] - Made of carbon steel with a zinc-plated surface finish, this hex-slotted nut is of high hardness, not easy to rust, or deform, wear-resistant, and anti-corrosion. BulletPoint4 : [Function] - The slots are for the insertion of a cotter pin to secure the nut when used with a drilled shank fastener. BulletPoint5 : [Usage] - Commonly used in industry to secure front wheel bearings or hubs to main shafts on trucks. Suitable for some repair and maintenance in the mechanical industry, shops, garages, household furniture fasteners, etc. Color : Gray DriveSystem : External Hex DriveSystem1 : Slotted DriveSystem2 : External Hex ExteriorFinish : Zinc FinishType : Zinc-Plated GpsrSafetyAttestation : 1 GradeRating : 6.8 IncludedComponents : Lock Nut ItemName : uxcell 3/4-16 UNF Hexagon Slotted Nut, Grade 6.8 Zinc-Plated Carbon Steel Hex Nuts Good for Machinery Repairing, Silver, 2Pcs ItemPackageDimensions_Height : 8.1 centimeters ItemPackageDimensions_Length : 2 centimeters ItemPackageDimensions_Width : 6.6 centimeters ItemPackageQuantity : 2 ItemTypeKeyword : hex-nuts Manufacturer : uxcell Material : Steel MeasurementSystem : Metric MetalType : Carbon Steel ModelName : Generic ModelNumber : a17101900ux0284 NumberOfItems : 2 NumberOfPieces : 10 PartNumber : a24062500ux0172 ProductDescription : Description: 1. Made of carbon steel with a zinc-plated surface finish, this hex slotted nut is of high hardness, not easy to rust, deform, wear-resistant, and anti-corrosion. 2. The slots are for the insertion of a cotter pin to secure the nut when used with a drilled shank fastener. 3. Commonly used in industry to secure front wheel bearings or hubs to main shafts on trucks. 4. Suitable for some repair and maintenance in the mechanical industry, shops, garages, household furniture fasteners, etc.