A307 All Thread Rod, Galvanized
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A307 All Thread Rod, Galvanized

The ASTM A307 specification covers carbon steel bolts and studs ranging from 1/4" through 4" diameter. A307 is an economical low carbon material often manufactured using A36 round bar. Dimensional specifications are governed by ASME B18.31.3. A307 all thread rod is available in hot dip galvanized finish, which provides a corrosion resistant zinc coating. The all thread rod listed on this page is domestic, melted and manufactured in the USA.

Governing StandardsGrade A307A

ASTM A307 Covers the mechanical and material requirements for inch series fasteners in diameters from 1/4″ through 4″, made of carbon steel having a minimum tensile strength of 60,000 psi.
ASME B18.31.3 Covers the general and dimensional data for inch series threaded rods.
ASME B1.1 UNC & UNF Class 2A Specifies the thread form, series, class, allowance, tolerance, and designation for unified screw threads.

Mechanical PropertiesGrade A307A

Low Carbon Steel Per ASTM A307-2014
Diameter Bolt or Stud Length Tensile
Strength
Elongation Core
Hardness (1)
Min psi Min % Rockwell
1/4 thru 4" Less than 3 X dia (2) 60,000 18 B69 to B100
3 X dia and longer 60,000 18 B100
  1. 1. As measured anywhere on the surface or through the cross section.
  2. 2. Also bolts with drilled or undersized heads. These sizes and bolts with modified heads shall meet the minimum and maximum hardness as hardness is the only requirement.

Chemical PropertiesGrade A307A

Per ASTM A307-2014
Carbon Manganese Phosphorus Sulfur
% by heat
analysis
% by heat
analysis
% by heat
analysis
% by heat
analysis
0.29 1.20 0.04 0.15
A307 All Thread Rod, Galvanized
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Diameter Thread Pitch Length Origin Item # Availability Price Quantity UOM
3/8 16 3 FT Unrestricted Origin RG2G0373600-I In Stock $8.98501/EA EA
3/8 16 6 FT Unrestricted Origin RG2G0377200-I 5-7 Working Days $17.45331/EA EA
3/8 16 12 FT Domestic RG2G0370000-U In Stock $1.85001/FT FT
1/2 13 3 FT Unrestricted Origin RG2G0503600-I In Stock $12.6192/EA EA
1/2 13 6 FT Unrestricted Origin RG2G0507200-I 5-7 Working Days $24.61835/EA EA
1/2 13 12 FT Domestic RG2G0500000-U In Stock $2.70577/FT FT
5/8 11 3 FT Unrestricted Origin RG2G0623600-I In Stock $16.89642/EA EA
5/8 11 6 FT Unrestricted Origin RG2G0627200-I 5-7 Working Days $33.12684/EA EA
5/8 11 12 FT Domestic RG2G0620000-U In Stock $3.52059/FT FT
3/4 10 3 FT Unrestricted Origin RG2G0753600-I 5-7 Working Days $21.92572/EA EA
3/4 10 6 FT Unrestricted Origin RG2G0757200-I 5-7 Working Days $43.08211/EA EA
3/4 10 12 FT Domestic RG2G0750000-U In Stock $4.5387/FT FT
7/8 9 3 FT Unrestricted Origin RG2G0873600-I In Stock $27.00096/EA EA
7/8 9 6 FT Unrestricted Origin RG2G0877200-I 5-7 Working Days $53.08331/EA EA
7/8 9 12 FT Domestic RG2G0870000-U In Stock $6.43517/FT FT
1 8 3 FT Unrestricted Origin RG2G1003600-I 5-7 Working Days $36.68639/EA EA
1 8 6 FT Unrestricted Origin RG2G1007200-I 5-7 Working Days $71.93748/EA EA
1 8 12 FT Domestic RG2G1000000-U In Stock $7.93534/FT FT
1 1/8 7 3 FT Unrestricted Origin RG2G1123600-I 5-7 Working Days $50.87295/EA EA
1 1/8 7 6 FT Unrestricted Origin RG2G1127200-I 5-7 Working Days $100.21873/EA EA
1 1/8 7 12 FT Domestic RG2G1120000-U In Stock $11.26213/FT FT
1 1/4 7 3 FT Unrestricted Origin RG2G1253600-I In Stock $63.03667/EA EA
1 1/4 7 6 FT Unrestricted Origin RG2G1257200-I 5-7 Working Days $124.37013/EA EA
1 1/4 7 12 FT Domestic RG2G1250000-U In Stock $13.60632/FT FT
1 3/8 6 3 FT Unrestricted Origin RG2G1373600-I 5-7 Working Days $74.00049/EA EA
1 3/8 6 6 FT Unrestricted Origin RG2G1377200-I 5-7 Working Days $146.09872/EA EA
1 3/8 6 12 FT Domestic RG2G1370000-U In Stock $16.33138/FT FT
1 1/2 6 3 FT Unrestricted Origin RG2G1503600-I 5-7 Working Days $89.78501/EA EA
1 1/2 6 6 FT Unrestricted Origin RG2G1507200-I 5-7 Working Days $177.4764/EA EA
1 1/2 6 12 FT Domestic RG2G1500000-U In Stock $21.55372/FT FT
1 5/8 5.5 3 FT Unrestricted Origin RG2G1623600-I 5-7 Working Days $99.78622/EA EA
1 5/8 5.5 6 FT Unrestricted Origin RG2G1627200-I 5-7 Working Days $197.38695/EA EA
1 3/4 5 3 FT Unrestricted Origin RG2G1753600-I 5-7 Working Days $137.78314/EA EA
1 3/4 5 6 FT Unrestricted Origin RG2G1757200-I 5-7 Working Days $273.12436/EA EA
1 3/4 5 12 FT Unrestricted Origin RG2G1750000-I In Stock $27.38918/FT FT
2 4 3 FT Unrestricted Origin RG2G2003600-I 5-7 Working Days $179.01123/EA EA
2 4 6 FT Unrestricted Origin RG2G2007200-I 5-7 Working Days $355.2322/EA EA
2 4.5 12 FT Unrestricted Origin RG2G2000000-I In Stock $37.23678/FT FT