No.10 UNF
Thread diameter: 3/16" (4.76mm)
Thread pitch: 32tpi
Head diameter: 0.312"
Head height: 0.19"
Allen key size: 5/32"
1/4" UNF
Thread diameter: 1/4" (6.35mm)
Thread pitch: 28tpi
Head diameter: 0.375"
Head height: 0.25"
Allen key size: 3/16"
5/16" UNF
Thread diameter: 5/16" (7.937mm)
Thread pitch: 24tpi
Head diameter: 0.43"
Head height: 0.30"
Allen key size: 7/32"
3/8" UNF
Thread diameter: 3/8" (9.525mm)
Thread pitch: 24tpi
Head diameter: 0.56"
Head height: 0.37"
Allen key size: 5/16"
7/16" UNF
Thread diameter: 7/16" (11.11mm)
Thread pitch: 20tpi
Head diameter: 0.65"
Head height: 0.43"
Allen key size: 3/8"
1/2" UNF
Thread diameter: 1/2" (12.7mm)
Thread pitch: 20tpi
Head diameter: 0.75"
Head height: 0.49"
Allen key size: 3/8"