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4-1/2"
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SUB CATEGORY
DIAMETER
Bolts
Heavy Hex
Hex
FROM
TO
GO
3/8"
1/2"
5/8"
7/8"
PITCH
GRADE
9
11
13
16
Grade 2
Grade 5
Grade A325-1
STANDARD
ASTM F3125
SAE J429
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3/8"-16 x 4-1/2" UNC Gr.2 Hex Bolt HDG
# 003.037.0450
1/2"-13 x 4-1/2" UNC Gr.2 Hex Bolt HDG
# 003.050.0450
5/8"-11 x 4-1/2" UNC Gr.2 Hex Bolt HDG
# 003.062.0450
5/8"-11 x 4-1/2" UNC Gr.5 Hex Bolt HDG
# 659.062.0450
7/8"-9 x 4-1/2" A325 Assembly HDG
# 019.087.0450
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