Filters
Material
Zinc plated grade 5 steel
Product details
Bolt Depot product#
344
Units
US
Category
Hex bolts
Bolts with hexagonal heads and machine threads for use with a nut or in a tapped hole. Also known as hex cap screws or machine bolts.
Subcategory
Hex bolts
A bolt with a six sided head.
Material
Steel
A tempered medium carbon steel.
Plating
Zinc
Zinc plated for moderate corrosion resistance.
Grade
Grade 5
Grade 5 falls between grade 2 and grade 8 in strength, and is commonly found in automotive applications.
Thread density
Coarse
Diameter
5/16"
Thread count
18
Length
1-3/4"
Length tolerance
+0.00" / -0.04"
Thread direction
Right hand
Head style
Hex
Hex heads are six sided for use with a wrench.
Drive type
External hex
A hexagonal head for use with a wrench.
Head height
0.195" - 0.211"
Width across the flats
1/2"
Fully threaded
No
Thread length
Minimum 7/8"
Dimensional standard
ASME B18.2.1
Material standard
SAE J429
See also
A bolt with a six sided head.
A full thread bolt with a six sided head.
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