1/4-20×4″ Trailer Floor Board Screw (100 Pack)(FS1440FS) Flat 6-Lobe Fully Threaded T30 Drive

Description

1/4-20×4″ Trailer Floor Board Screw (100 Pack)(FS1440FS) Flat 6-Lobe Fully Threaded T30 Drive

Cross Reference #:

• FBSFT1440-FT
• 1440FS
• FS1440

Specifications:

• Recess Type “F” Thread Cut Tip
• Finish: Phos and Oil Coat
• Size: 1/4-20
• Length: 3
• Material: Steel
• Finish: Black Phosphate
• Drive: 6 Lobe
• Head Style: 82 Degree Flat Head

Features:

• 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
• Screws shall be quenched in liquid and then tempered by reheating to 650°F minimum. 410 Stainless: Screws shall be annealed by heating to 1850-1950°F, held at least for 1/2 hour and rapid air- or oil-quenched then reheating to 525°F minimum for at
  AISI 1016 – 1024 or equivalent steel. Stainless: 410 martensitic stainless steel or 18-8 stainless steel

Pro-Par Since 1966, the Pro-Par name has represented a premium brand throughout the trucking industry. Pro-Par products are constructed of high-quality materials and designed for superior performance, reliability and durability.