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Unit of Measure
Imperial
Metric
Both
Specifications
Product Group
No Preference
Carriage Bolts
Coupling Nuts
Flange Nuts
Heavy Hex Head Bolts
Hex Head Bolts
Hex Nuts
Lock Nuts
Plow Bolts
Slotted Nuts
Square Head Bolts
Square Nuts
Wheel Nuts
Thread Size
No Preference
1 1/2-12
1 1/2-6
1 1/2-8
1 1/4-12
1 1/4-7
1 1/4-8
1 1/8-12
1 1/8-7
1 1/8-8
1 3/4-12
1 3/4-5
1 3/4-8
1 3/8-12
1 3/8-6
1 3/8-8
1 5/8-12
1 5/8-5 1/2
1 5/8-8
1 7/8-12
1 7/8-5
1 7/8-8
1/2-13
1/2-20
1/4-20
1/4-28
10-24
10-32
1-12
1-14
12-24
1-8
2 1/2-12
2 1/2-4
2 1/2-8
2 1/4-12
2 1/4-4 1/2
2 1/4-8
2 3/4-12
2 3/4-4
2 3/4-8
2-12
2-4 1/2
2-8
3 1/2-12
3 1/2-4
3 1/2-8
3 1/4-12
3 1/4-4
3 1/4-8
3 3/4-12
3 3/4-4
3 3/4-8
3/4-10
3/4-16
3/8-16
3/8-24
3-12
3-4
3-8
4 1/2-4
4 1/2-8
4 1/4-4
4-12
4-4
4-8
5/16-18
5/16-24
5/8-11
5/8-18
5-4
5-8
6-32
7/16-14
7/16-20
7/8-14
7/8-9
8-32
9/16-12
9/16-18
Custom
M10 x 1.5
M12 x 1.75
M16 x 2.0
M20 x 2.5
M24 x 3.0
M30 x 3.5
M36 x 3.0
M36 x 4.0
M5 x 0.80
M5 x 1.0
M6 x 1.0
M8 x 1.25
Finish
No Preference
Cadmium & Wax
Custom
Phos. & Oil
Plain
Zinc/Clear
Zinc/Clear & Wax
Zinc/Yellow
Zinc/Yellow & Wax
Grade/Class
No Preference
170M psi
43M psi
Carbon Steel
Custom
Grade 10
Grade 2
Grade 2H
Grade 5
Grade 8
Grade 8.8
Grade A
Grade B
Grade C
N/A
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