1/4-20 Grade 10.9 Hex Socket Flat Head Bolts and 49 similar items

This 219-piece SAE fastener assortment kit includes 1/4-20 UNC flat head hex socket bolts with matching nuts and flat washers. Designed for flush-mount fastening, the flat head style allows the bolt to sit level with the surface when installed in countersunk holes. Manufactured from Grade 10.9 alloy steel with a black finish, the fasteners provide strength and durability suitable for a wide range of mechanical and general repair applications. Sizes Thread Type Thread size: 1/4-20 UNC Bolt lengths included: 1/2 in (15 pcs) 5/8 in (10 pcs) 3/4 in (15 pcs) 1 in (12 pcs) 1-1/4 in (7 pcs) 1-1/2 in (7 pcs) 2 in (7 pcs) Quantity Breakdown (219 Pieces Total) 73 flat head hex socket bolts 73 hex nuts 73 flat washers 1 hex key (All components are matched to size and organized for ease of use.) Material Finish Grade 10.9 alloy steel construction Black surface finish Full machine-thread design Hex socket flat head style Storage Case Transparent plastic storage box Organized compartments to prevent mixing Portable design for shop or field use Applications Suitable for machinery assembly, automotive repair, equipment mounting, furniture assembly, workshop use, and general home or professional repairs where flush-mount fasteners are required.