3/8 X 2-1/2" Hex Cap Screw, Medium Carbon Steel

18539 MFG #: 61140
$0.00 / ea
Stock Product
Washer Faced, Machine Pointed; Zinc Plated Finish for Corrosion Resistance; Cold Rolled, Class 2A Threads; Rockwell Hardness C24-34; 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 3/8"; TPI 16; Thread Series UNC-2A; Length 2-1/2"; Material Grade 5 1040 Medium Carbon Steel; Material Specification ASTM A449; Process Heat Treated, Cold Rolled; Finish Zinc Plated; Applicable Standard ANSI B18.2.1, SAE J429, NASM90726; Tensile Strength 120000 PSI