› Screws › Thread-Cutting › type f thread cutting screws › 82 flat type f thread cutting screws › six lobe 82 flat type f thread cutting screws › steel black phos and oil six lobe 82 flat type f thread cutting screws › 5/16-18X3 1/2 Six Lobe Flat Floor Board Screw Type F Black Phosphate

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5/16-18X3 1/2 Six Lobe Flat Floor Board Screw Type F Black Phosphate

(3156FTFB)

332.7291

Package Qty: 300

Total Price: $332.73

($1.1091/ea)

Quantity:

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Specifications 3156FTFB

Diameter: 5/16"
Full Size: 5/16" - 18 x 3 1/2"
Length: 3 1/2"
Drive Type: 6-Lobe
Threads Per Inch: 18
Head Type: Flat
U.O.M.: Imperial
Finish: Phosphate
Point Type: type-f
Thread Type: UNC
Material: Steel