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Low Head Socket Head Cap Screw Fine & Full Thread Black Steel 1/4-28 * 7/8" Grade 8 [Cup Point] [Allen Drive]

Low Head Socket Head Cap Screw Fine & Full Thread Black Steel 1/4-28 * 7/8" Grade 8 [Cup Point] [Allen Drive]

1.87 $ CAD
1.87 $ CAD
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Made of alloy steel, these low-profile screws are nearly twice as strong as their stainless steel counterparts. With half the height of a standard socket head, these low-profile screws fit in tight spaces, but are weaker than standard socket heads. Length is measured from under the head.

Black-oxide steel screws are mildly corrosion resistant in dry environments. Fine threads are closely spaced to prevent loosening from vibration. They are not compatible with coarse threads.

Screws that meet ASTM A574 comply with specifications and testing requirements for material quality.

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Specifications
Product Number VPCTFI-01008
Thread Size 1/4"-28
Length 7/8"
Threading Fully Threaded
Thread Spacing Fine

Head
Diameter 3/8"
Height 0.125"
Drive Size 1/8"
Material Black-Oxide Alloy Steel
Hardness Rockwell C39
Tensile Strength 140,000 psi
Screw Size Decimal Equivalent 0.25"
Thread Type UNF
Thread Fit Class 3A
Thread Direction Right Hand
Head Type Socket
Socket Head Profile Low
Drive Style Hex
Specifications Met ASTM A574
System of Measurement Inch
RoHS RoHS 3 (2015/863/EU) Compliant
REACH REACH (EC 1907/2006) (01/16/2020, 205 SVHC) Compliant
Country of Origin Taiwan