3/4 X 4" Hex Cap Screw, Alloy Steel

19217 MFG #: 63452
$4.00 / ea
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  • FEATURES BENEFITS
  • LONG DESCRIPTION
Washer Faced, Machine Pointed; Yellow Zinc Plated Finish for Corrosion Resistance; Cold Rolled, Class 2A Threads; Rockwell Hardness C32-38; Head Marking Includes TIFCO and Grade Markings for Ease of Identification; Flats are Easy to Grip and Corners Resist Rounding; 20 Percent Higher Head than Standard Cap Screws Makes Wrenching Easier; 15 Degree Top Chamfer Higher Corners for Reduced Socket Wear; Excellent Elongation Properties Stretches a Minimum of 12 Percent in a Standard Elongation Test per J429; Trailing Thread Does Not Enter Extrusion Angle for Increased Stress Resistance; 100 Percent Traceable; Chamfered Points for Easy Starting and Assembly; Concentric Shanks for Easy, Accurate Assembly; Smooth Fillet Radius Design to Increase Fatigue Strength and Reduce Stress Concentration Where the Head and Shank Meet
Cap Screw; Type Hex; Nominal Diameter 3/4"; TPI 10; Thread Series UNC-2A; Length 4"; Material Grade 8 Alloy Steel; Material Specification ASTM A354; Process Heat Treated, Cold Rolled; Finish Yellow Zinc Plated; Applicable Standard ANSI B18.2.1, SAE J429, NASM90728; Tensile Strength 150000 PSI