1 1/4-7 X 3 1/4 F3125 GRADE A325 HEAVY HEX BOLT

Name: 1 1/4-7 X 3 1/4 F3125 GRADE A325 HEAVY HEX BOLT
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Dimensional SpecificationsA325

ASTM F3125	Covers the mechanical and material requirements for inch series fasteners used in automotive and related industries in diameters through 1-1/2″.
ASME B18.2.6	Covers the general and dimensional data for five products in the inch series recognized as American National Standard. These five structural products include: (a) Heavy Hex Structural Bolts: ASTM A 325 or ASTM A 490; (b) Heavy Hex Nuts: ASTM A 563; (c) Hardened Steel Washers; Circular, Circular Clipped or Beveled: ASTM F436; (d) Compressible Washer-Type Direct Tension Indicators: ASTM F 959; (e) Twist-Off-Type Tension Control Structural Bolts: Heavy Hex and Round: ASTM F1852.
ASME B1.1 UNC & UNF Class 2A	Specifies the thread form, series, class, allowance, tolerance, and designation for unified screw threads.

SC	Slip Critical Connection
N	Bearing type connection with threads in the shear plane.
X	Bearing type connection with no threads in the shear plane.

Alloy Steel, Quenched & Tempered			Per ASTM F3125/F3125M-15a
Grade A325	Tensile Strength	Yield Strength	Elongation in 4D	Reduction in Area
Grade A325	Min psi	Min psi	Min %	Min %
Inch 120 ksi	120,000	92,000	14	35

Per ASTM F3125/F3125M-15a
Grade	Material	Carbon	Manganese	Phosphorus	Sulfur	Silicon	Boron
Grade	Material	% by weight	% by weight	% by weight	% by weight	% by weight	% by weight
A325 Type 1	Carbon or Alloy Steel with or without Boron	0.30-0.52	0.60 min	0.035 max	0.040 max	0.15-0.30	0.003 max