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1/2-13x8" Hex Cap Screws Grade 5 Bolts Zinc Clear
Product Description

Part Number: 50C800HCS5Z
Diameter/Pitch: 1/2"-13
Length Under Head: 8"
Grade: Grade 5
Finish: Zinc Clear
Thread Series: Coarse (UNC)
Threading: Partially threaded
Wrench Size: 3/4"

BoltsandNuts.com

1/2-13x8" Hex Cap Screws Grade 5 Bolts Zinc Clear

SKU: 50C800HCS5Z
Product Description

Part Number: 50C800HCS5Z
Diameter/Pitch: 1/2"-13
Length Under Head: 8"
Grade: Grade 5
Finish: Zinc Clear
Thread Series: Coarse (UNC)
Threading: Partially threaded
Wrench Size: 3/4"

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Thread Size1/2"-13
MaterialMedium carbon steel, quenched and tempered
Thread SeriesCoarse (UNC)
Head Height0.302" – 0.323"
Tensile Strength (min)120,000 psi
Specifications MetASME B18.2.1, SAE J429 Grade 5
Length8"
FinishZinc Clear
ThreadingPartially threaded
Head MarkingThree radial lines on head
Proof Load (min)12,060 lbf
GradeGrade 5
Wrench Size3/4"
Thread Length1.500" min
Thread Class2A
HardnessRockwell C25–C34
Technical Drawing
SIDE VIEWHEAD END
Not to scale · ASME B18.2.1 · See table for exact dimensions

Technical Dimensions

Length Under Head 8"
Major Thread Dia. 0.500"
Head Height 0.302" – 0.323"
Width Across Flats 0.750" (3/4")
Width Across Corners 0.866" max
Threads Per Inch 13 TPI
Thread Length 1.500" min
Thread Class 2A
Proof Load 12,060 lbf
Clamp Load 9,050 lbf
Min. Tensile Strength 120,000 psi
Yield Strength 92,000 psi
Hardness Rockwell C25–C34
Hex cap screw with a hexagonal head for external wrench engagement and a chamfered point for easier starting. The flat bearing surface distributes clamp load across the joint. Partially threaded shank, plain under the head, with unified coarse (UNC) threads.

Dimensions conform to ASME B18.2.1 and may vary within specified manufacturing tolerances.

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