5/16"-18 Zinc Plated Hex Tap Bolts - Grade 5
Diameter - Thread Pitch: 5/16" - 18 | Grade 5
- 5/16"-18
- Tap bolts are fully threaded from the point to the underside of the hex head
- Also referred to as a hex bolt
- Hexagonal head designed to be driven by wrench or socket
- Grade 5 Zinc plated steel tap bolts have three distinguishing hash marks on the head
- Grade 5 zinc plating is case hardened and corrosion resistant
- They also come in a lighter silver color
A Hex Bolt is measured as: Diameter x Thread Pitch x Length from Under Head
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Product Specifications
Across Flats (Width)
1/2" (Max 0.500 - Min 0.489)
Color
Silver
Corrosion Resistant
Yes
Diameter
5/16"
Drive Style
External Hex
Finish
Zinc Plated
Grade
5
Head Height
Max 0.211 - Min 0.195
Head Style
Hex
Material
Steel
Product Type
Hex Tap Bolts
System of Measurement (Unit)
Inch
Thread Direction
Right Hand
Thread Pitch (Count)
18 Per Inch
Thread Standard
UNC
Thread Type
Coarse
Tolerance (IFI)
Actual measurements may vary slightly +/- depending on production run within IFI Tolerances
Wrench Size
1/2"
