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Heavy Hex Bolts

ASME B 18.2.1 - 1996

Display drawing:

Screw Thread 2-1/2
Nominal Diameter 2-1/2
D 2.5
P 4
Ds Max 2.559
Ds Min 2.461
S Nominal 3-7/8
S Max 3.875
S Min 3.750
E Max 4.474
E Min 4.275
K Nominal 1-21/32
K Max 1.708
K Min 1.479
R Max 0.190
R Min 0.060
B L≤6 5.250
B L>6 5.500