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Heavy Hex Screws

ASME B 18.2.1 - 1996

Display drawing:

Screw Thread 2-3/4
Nominal Diameter 2-3/4
P 4
Ds Max 2.75
Ds Min 2.711
S Max 4.25
S Min 4.112
E Max 4.907
E Min 4.688
K Max 1.744
K Min 1.632
Kw Min 1.151
B L≤6 None
B L>6 6
R Max 0.095
R Min 0.060