Product Description
TRB RC 4-40 x 1 1/4" Flat Head Socket Screws, 10pcs Hardened Alloy Steel ASTM F835.Specifications:
Unit of Measure / Inch
Material / Alloy Steel
Grade/Specification / ASTM F835
Tensile Strength / 145,000 PSI
Hardness / HRC 37-44
Head Type / Flat
Drive Type / Hex Socket
Thread Size (inch) / #4-40
Length (inch) / 1 1/4"
Color / Black
Length Measurement Type /
Length Under Head
Hex Key Size (inch) / 1/16"