ASME B18.17 Type B Style 2 Wing Screws

ANSI/ASME B18.17 Type B Style 2 Wing Screws

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