Home 1/4-20 x 3 1/2" Type F / Floorboard Thread Cutting Screws / Six-Lobe (Torx) / Flat Head / Steel / Black Phosphate (Quantity: 500 pcs)

1/4-20 x 3 1/2" Type F / Floorboard Thread Cutting Screws / Six-Lobe (Torx) / Flat Head / Steel / Black Phosphate (Quantity: 500 pcs)

Availablity: In stock
Six Lobe Flat Floorboard Type F
Thread Cutting Screws -A thread cutting screw with machine screw thread with blunt tapered point, having multi - cutting edges and chip cavities. For heavy gauge sheet metal, aluminum, zinc and lead die castings, cast iron, brass and plastic.
Manufactured to SAE J933 specifications
Case Hardened to Rockwell C45 min. (Core Hardness: Rockwell C28-38)
Steel Black Phosphate & Oil

SKU: 143391

$172.99
In stock
SKU
143391
A thread cutting screw with machine screw thread pitch, blunt point, tapered entering threads and multiple cutting edges. Applications/Advantages: Steel thread-cutters are used in heavy gauge sheet metal, aluminum, zinc and lead die castings, cast iron, brass and plastic. Stainless screws offer additional resistance to corrosion, 18-8 moreso than 410. When using any thread-cutting screw, the material in which the threads are cut should have a lower hardness by at least 10 to 20 Rockwell hardness points.
More Information
EAN 8945136282130
Point Type F
Material Steel
Size 1/4-20
RoHS Compliant
Technical File 1 pdf
Technical File 2 pdf
Technical File 3 pdf
Carton Quantity 500
Unit of Measure Pounds
Drive Style Torx / Six-Lobe
Finish Black Phosphate
Head Style Flat Head
Length 3 1/2"
Measurement System Inch
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You're reviewing:1/4-20 x 3 1/2" Type F / Floorboard Thread Cutting Screws / Six-Lobe (Torx) / Flat Head / Steel / Black Phosphate (Quantity: 500 pcs)