Home / UNC Bolts, Nuts and Washers / 1/2 inch UNC Hex Head Bolts ASME B18.2.1 in Bright Zinc Plated (BZP) USA Grade 5 High Tensile Steel

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1/2 inch UNC Hex Head Bolts ASME B18.2.1 in Bright Zinc Plated (BZP) USA Grade 5 High Tensile Steel

The most common type of fastener, a hex head bolt is designed to be tightened with a standard spanner or ratchet and socket. Popularly used in all assemblies, a standard hex bolt is a staple across the world. Manufactured to ASME B18.2.1, and includes an unthreaded section of the shaft. A hex drive permits a greater torque load to be applied to the joint over most other drive types.

Image of UNC Hex Head Bolts ASME B18.2.1 in BZP-G5 image

technical drawing of UNC Hex Head Bolts ASME B18.2.1

Technical Summary

nominal diameter

1/2

tpi

threads per inch

b nom. (inch)

nominal thread length

1.250

k max. (inch)

head height

0.364

s max. (inch)

drive size

0.750

Standard

ASME B18.2.1 / SAE J429

all dimensions in inches

Datasheet

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Description	Sale Qtys	Qty	Price	Breakdown	Despatch Estimate
Hex Bolt Part Thread UNC 1/2 x 2 inch in BZP Grade 5 Steel WF28381			£0.00
Hex Bolt Part Thread UNC 1/2 x 2-1/4 inch in BZP Grade 5 Steel WF28382			£0.00
Hex Bolt Part Thread UNC 1/2 x 2-1/2 inch in BZP Grade 5 Steel WF28383			£0.00
Hex Bolt Part Thread UNC 1/2 x 2-3/4 inch in BZP Grade 5 Steel WF28384			£0.00
Hex Bolt Part Thread UNC 1/2 x 3 inch in BZP Grade 5 Steel WF28385			£0.00
Hex Bolt Part Thread UNC 1/2 x 3-1/4 inch in BZP Grade 5 Steel WF28386			£0.00
Hex Bolt Part Thread UNC 1/2 x 3-1/2 inch in BZP Grade 5 Steel WF28387			£0.00
Hex Bolt Part Thread UNC 1/2 x 3-3/4 inch in BZP Grade 5 Steel WF28388			£0.00
Hex Bolt Part Thread UNC 1/2 x 4 inch in BZP Grade 5 Steel WF28389			£0.00
Hex Bolt Part Thread UNC 1/2 x 4-1/4 inch in BZP Grade 5 Steel WF28390			£0.00
Hex Bolt Part Thread UNC 1/2 x 4-1/2 inch in BZP Grade 5 Steel WF28391			£0.00
Hex Bolt Part Thread UNC 1/2 x 4-3/4 inch in BZP Grade 5 Steel WF28392			£0.00
Hex Bolt Part Thread UNC 1/2 x 5 inch in BZP Grade 5 Steel WF28393			£0.00
Hex Bolt Part Thread UNC 1/2 x 5-1/4 inch in BZP Grade 5 Steel WF28394			£0.00
Hex Bolt Part Thread UNC 1/2 x 5-1/2 inch in BZP Grade 5 Steel WF28395			£0.00
Hex Bolt Part Thread UNC 1/2 x 6 inch in BZP Grade 5 Steel WF28397			£0.00
Hex Bolt Part Thread UNC 1/2 x 6-1/2 inch in BZP Grade 5 Steel WF28398			£0.00
Hex Bolt Part Thread UNC 1/2 x 7-1/2 inch in BZP Grade 5 Steel WF28400			£0.00
Hex Bolt Part Thread UNC 1/2 x 9 inch in BZP Grade 5 Steel WF28511			£0.00
Hex Bolt Part Thread UNC 1/2 x 12inch in BZP Grade 5 Steel WF43020			£0.00

Hex Bolt Part Thread UNC 1/2 x 2 inch in BZP Grade 5 Steel
WF28381

Hex Bolt Part Thread UNC 1/2 x 2-1/4 inch in BZP Grade 5 Steel
WF28382

Hex Bolt Part Thread UNC 1/2 x 2-1/2 inch in BZP Grade 5 Steel
WF28383

Hex Bolt Part Thread UNC 1/2 x 2-3/4 inch in BZP Grade 5 Steel
WF28384

Hex Bolt Part Thread UNC 1/2 x 3 inch in BZP Grade 5 Steel
WF28385

Hex Bolt Part Thread UNC 1/2 x 3-1/4 inch in BZP Grade 5 Steel
WF28386

Hex Bolt Part Thread UNC 1/2 x 3-1/2 inch in BZP Grade 5 Steel
WF28387

Hex Bolt Part Thread UNC 1/2 x 3-3/4 inch in BZP Grade 5 Steel
WF28388

Hex Bolt Part Thread UNC 1/2 x 4 inch in BZP Grade 5 Steel
WF28389

Hex Bolt Part Thread UNC 1/2 x 4-1/4 inch in BZP Grade 5 Steel
WF28390

Hex Bolt Part Thread UNC 1/2 x 4-1/2 inch in BZP Grade 5 Steel
WF28391

Hex Bolt Part Thread UNC 1/2 x 4-3/4 inch in BZP Grade 5 Steel
WF28392

Hex Bolt Part Thread UNC 1/2 x 5 inch in BZP Grade 5 Steel
WF28393

Hex Bolt Part Thread UNC 1/2 x 5-1/4 inch in BZP Grade 5 Steel
WF28394

Hex Bolt Part Thread UNC 1/2 x 5-1/2 inch in BZP Grade 5 Steel
WF28395

Hex Bolt Part Thread UNC 1/2 x 6 inch in BZP Grade 5 Steel
WF28397

Hex Bolt Part Thread UNC 1/2 x 6-1/2 inch in BZP Grade 5 Steel
WF28398

Hex Bolt Part Thread UNC 1/2 x 7-1/2 inch in BZP Grade 5 Steel
WF28400

Hex Bolt Part Thread UNC 1/2 x 9 inch in BZP Grade 5 Steel
WF28511

Hex Bolt Part Thread UNC 1/2 x 12inch in BZP Grade 5 Steel
WF43020

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