Flat Bolt with Hex Socket Bolt (UNC) (Flat Cap Screw)

[Detail shape]: Flat.
[Thread Type]: Unified coarse UNC.
[Mount hole shape]: Hex socket.
[Material] Steel.
[Surface treatment (detail)]: None.
[Tip shape]: Flat tip.
[Usage]: Standard.
[Nominal designation of thread (inch)]: NO.4 NO.5 NO.6 NO.8 NO.10 1/4 5/16 3/8 1/2 5/8.
[Length L or l (inch)]: 1/4 3/8 1/2 5/8 3/4 1 1 1/4 1 1/2 1 3/4 2.
[Unit of purchase]: Per pcs (able to purchase from one piece), box / package.