1/4-28 x 3
SKU: 1548BHT8-300 In Stock

1/4"-28 x 3" Hex Tap Bolts / Grade 8 / Zinc Yellow

$214.35
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Product Description

1/4"-28 x 3" Hex Tap Bolts / Grade 8 / Zinc Yellow

Specifications

MaterialAlloy Steel
FinishZinc Yellow
GradeGrade 8
Size1/4"-28
Length3"
Head StyleHex Head
DriveExternal Hex
Thread Pitch28 TPI
Thread ClassFine
HardnessC33-C39
Tensile Strength150 ksi (1034 MPa)
StandardASME B18.2.1
RoHS Compliance On Request
Measurement SystemInch
Head Height11/64"
Width Across Flats7/16"
RoHS Compliant🇺🇸 Made in USA

Frequently Asked Questions

What is the difference between Grade 5 and Grade 8?
Grade 5 (medium carbon steel, 120 ksi tensile strength) is suitable for most industrial applications. Grade 8 (alloy steel, 150 ksi tensile strength) is used for high-strength applications like automotive suspension and machinery. Grade 5 hex heads have 3 radial lines; Grade 8 has 6 radial lines.

Hex Tap Bolts / Grade 8 / Zinc Yellow

Family: BHT8

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Technical Specifications

Thread Size
1/4"-28
Thread Type
Coarse (UNC)
Material
Alloy Steel
Grade
Grade 8
Head Style
Hex Head
Thread Pitch
28 TPI
Tensile Strength
150 ksi (1034 MPa)
Hardness
C33-C39
SKU
1548BHT8-300