Nominal Size | Threads per Inch | A | B | C | E | F | G | L | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Wing Spread | Wing Height | Wing Thick | Boss Dia | Boss Dia | Height | Practical Screw Lengths | |||||||||
Max | Min | Max | Min | Max | Min | Max | Min | Max | Min | Max | Min | Max | Min | ||
ANSI B18.17 - 6 (0.1380) | 32 | 0.78 | 0.72 | 0.4 | 0.34 | 0.18 | 0.12 | 0.35 | 0.31 | 0.4 | 0.34 | 0.21 | 0.14 | 0.75 | 0.25 |
ANSI B18.17 - 8 (0.1640) | 32 | 0.78 | 0.72 | 0.4 | 0.34 | 0.18 | 0.12 | 0.35 | 0.31 | 0.4 | 0.34 | 0.21 | 0.14 | 0.75 | 0.38 |
ANSI B18.17 - 10 (0.1900) | 24 | 0.9 | 0.84 | 0.46 | 0.4 | 0.21 | 0.15 | 0.35 | 0.31 | 0.53 | 0.47 | 0.22 | 0.16 | 1 | 0.38 |
ANSI B18.17 - 12 (0.2160) | 24 | 1.09 | 1.03 | 0.46 | 0.4 | 0.26 | 0.2 | 0.44 | 0.39 | 0.61 | 0.55 | 0.24 | 0.18 | 1 | 0.38 |
ANSI B18.17 - 1⁄4 (0.2500) | 20 | 1.09 | 1.03 | 0.46 | 0.4 | 0.26 | 0.2 | 0.47 | 0.43 | 0.61 | 0.55 | 0.24 | 0.18 | 1.5 | 0.5 |
ANSI B18.17 - 5⁄16(0.3125) | 18 | 1.31 | 1.25 | 0.62 | 0.56 | 0.29 | 0.23 | 0.57 | 0.53 | 0.68 | 0.62 | 0.29 | 0.23 | 1.5 | 0.5 |
ANSI B18.17 - 3⁄8 (0.3750) | 16 | 1.31 | 1.25 | 0.62 | 0.56 | 0.29 | 0.23 | 0.63 | 0.59 | 0.68 | 0.62 | 0.29 | 0.23 | 2 | 0.75 |