1/2X4-1/2 UNF Countersunk Cap Screw ASME B18.3 ~Class 12.9 Black

$9.47Per: EACH
(Full Pack Contains: 25)

Buy In Bulk & Save!
Buy 25 to 49: Pay $9.47
Buy 50 to 124: Pay $7.90
Buy 125 to 249: Pay $7.11
Buy 250 or more: Pay $6.31


1/2"-20X4 1/2" (Partial Thread) Imperial 12.9 Countersunk Socket Cap Screw Thermal Black Oxide UNF Pack of 25pcs price per Piece
SKU 721275
Brand Brighton Best
Shipping Weight 0.1443kg
Grade ~Class 12.9
Material HIGH TENSILE
Hardness 39 - 44 HRC
Length 4-1/2"
Coating BLACK / PLAIN
Diameter 1/2"
Thread Length Partially Threaded
Head Height 0.251"
Tensile Strength (nominal) 1241 N/mm²
Thread Type UNF
Head Diameter 15/16"
ASME Standard B18.3
Threads Per Inch 20 TPI
Wrench Size 5/16"

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