Nominal Size | Threads per Inch | Series b | Head Blank size (Ref) | A | B | C | E | G | L | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Wing | Wing | Wing | Boss | Boss | Practical Screw Lengths | ||||||||||
Max | Min | Max | Min | Max | Min | Max | Min | Max | Min | Max | Min | ||||
ANSI B18.17 -10 (0.1900) | 24 | ... | ... | 1.01 | 0.95 | 0.78 | 0.72 | 0.14 | 0.11 | 0.39 | 0.36 | 0.28 | 0.22 | 1.25 | 0.5 |
ANSI B18.17 -1⁄4 (0.2500) | 20 | ... | ... | 1.22 | 1.16 | 0.94 | 0.88 | 0.16 | 0.13 | 0.47 | 0.44 | 0.34 | 0.28 | 2 | 0.5 |
ANSI B18.17 -5⁄16(0.3125) | 18 | ... | ... | 1.43 | 1.37 | 1.09 | 1.03 | 0.17 | 0.14 | 0.55 | 0.52 | 0.41 | 0.34 | 2 | 0.5 |
ANSI B18.17 -3⁄8 (0.3750) | 16 | ... | ... | 1.63 | 1.57 | 1.25 | 1.19 | 0.18 | 0.15 | 0.63 | 0.6 | 0.47 | 0.41 | 2 | 0.5 |