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Socket Head Cap Screw Fine Thread Black Steel 1/2-20 * 3-1/4" Grade 8 [Cup Point] [Allen Drive]

Socket Head Cap Screw Fine Thread Black Steel 1/2-20 * 3-1/4" Grade 8 [Cup Point] [Allen Drive]

8.10 $ CAD
8.10 $ CAD
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With a tensile strength of 170,000 psi, these alloy steel screws are stronger than Grade 8 steel screws. Length is measured from under the head.

Black-oxide steel screws are mildly corrosion resistant in dry environments. Fine and extra-fine threads are closely spaced to prevent loosening from vibration: the finer the thread, the better the resistance. They are not compatible with coarse threads.

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Spécifications
Product Number VPCF-05032
Head Type Socket
Socket Head Profile Standard
Drive Style Hex
System of Measurement Inch
Thread Direction Right Hand
Thread Size 1/2"-20
Screw Size Decimal Equivalent 0.5"
Thread Type UNF
Thread Fit Class 3A
Length 3-1/4"
Threading Partially Threaded
Min. Thread Length 1 1/2"
Thread Spacing Fine

Head
Diameter 3/4"
Height 1/2"
Drive Size 3/8"
Material Black-Oxide Alloy Steel
Fastener Strength Grade/Class Grade 8
Tensile Strength 170,000 psi
Hardness Rockwell C37
Specifications Met ASTM A574
REACH REACH (EC 1907/2006) (01/16/2020, 205 SVHC) Compliant
RoHS RoHS 3 (2015/863/EU) Compliant