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 | 0.85 | 0.83 | 0.43 | 0.42 | 0.14 | 0.12 | 0.38 | 0.36 | 0.41 | 0.4 | 0.2 | 0.18 | 1 | 0.25 |
ANSI B18.17 - 8 (0.1640) | 32 | 0.85 | 0.83 | 0.43 | 0.42 | 0.14 | 0.12 | 0.38 | 0.36 | 0.41 | 0.4 | 0.2 | 0.18 | 1 | 0.38 |
ANSI B18.17 - 10 (0.1900) | 24, 32 | 0.85 | 0.83 | 0.43 | 0.42 | 0.14 | 0.12 | 0.38 | 0.36 | 0.41 | 0.4 | 0.2 | 0.18 | 2 | 0.38 |
ANSI B18.17 - 1⁄4 (0.2500) | 20 | 1.08 | 1.05 | 0.57 | 0.53 | 0.16 | 0.14 | 0.44 | 0.42 | 0.48 | 0.46 | 0.23 | 0.21 | 2.5 | 0.5 |
ANSI B18.17 - 5⁄16(0.3125) | 18 | 1.23 | 1.2 | 0.64 | 0.62 | 0.2 | 0.18 | 0.5 | 0.49 | 0.57 | 0.55 | 0.26 | 0.24 | 3 | 0.5 |
ANSI B18.17 - 3⁄8 (0.3750) | 16 | 1.45 | 1.42 | 0.74 | 0.72 | 0.23 | 0.21 | 0.62 | 0.6 | 0.69 | 0.67 | 0.29 | 0.27 | 3 | 0.75 |
ANSI B18.17 - 7⁄16(0.4375) | 14 | 1.89 | 1.86 | 0.91 | 0.9 | 0.29 | 0.28 | 0.75 | 0.73 | 0.83 | 0.82 | 0.38 | 0.37 | 4 | 1 |
ANSI B18.17 - 1⁄2 (0.5000) | 13 | 1.89 | 1.86 | 0.91 | 0.9 | 0.29 | 0.28 | 0.75 | 0.73 | 0.83 | 0.82 | 0.38 | 0.37 | 4 | 1 |