5/16-18 x 4 1/2" Machine Screws / Phillips / Flat Head / Steel / Zinc Plating (Quantity: 100 pcs)
Availablity: In stock
Thread Diameter - Pitch: 5/16-18
Length: 4 1/2"
The Flat Head Screw features a countersunk head with a flat top surface and a cone-shaped bearing surface with a head angle of approximately 82 degrees. Used in applications where protrusion of the fastener above the mating surface is unacceptable. Use a protrusion gage when measuring head height. Phillips drive is x-shaped for installation with a phillips screw driver.
Length: 4 1/2"
The Flat Head Screw features a countersunk head with a flat top surface and a cone-shaped bearing surface with a head angle of approximately 82 degrees. Used in applications where protrusion of the fastener above the mating surface is unacceptable. Use a protrusion gage when measuring head height. Phillips drive is x-shaped for installation with a phillips screw driver.
SKU: 120703-100
$91.99
In stock
SKU
120703-100
A straight shank fastener with external threads designed to go through a hole or nut that is pre-tapped to form a mating thread for the screw. Machine screws form a fastening solution superior in strength to spaced thread screws
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