Specs ; Finish/Coating, Uncoated ; Overall Height, 14.0 ; Military Specification, Does Not Meet Military Specifications ; Width Across Flats (mm), 26.17 ; MSC Part 

ASME/ANSI B18.2.2 Heavy Hex Nut A563-Dh Zinc Plated: Bahrain, South Africa, Singapore : Fastener A563 Grade DH Hex Heavy Nut: Australia, Philippines, UK, Nigeria: A563 Heavy Hex Nuts M8-1.5: Malaysia, Oman, Hong Kong: A563 Gr C, Dh, A194 2h Finish Hex Nuts Carbon Steel Nut: Italy, Chile, Iran, Singapore-A563 Hexagon Head Heavy Nut Black

Metric heavy hex bolts sizes are defined from M12 to M36 and imperial size heavy hex bolts sizes are defined from ½ to 3 inch across ASME, DIN, EN, ISO, BS & UNI dimension standards. Heavy Hex Bolts Size Chart.

Nominal Nut Diameter and Thread Pitch Max Min Max Min Max Min Bearing Face M12 x 1.75 21.00 20.16 24.25 22.78 12.3 11.9 19.2 M14 x 2 24.00 23.16 27.71 26.17 14.3 13.6 22.0 M16 x 2 27.00 26.16 31.18 29.56 17.1 16.4 24.9

Earnest Machine Products line of Grade C heavy hex nuts are made to the dimensional requirements of ANSI B18.2.2 for Heavy Hex Nuts and the material and strength requirements of ASTM A563. 1/16 Approx sizes above 7/16" may be washer faced up to 7/16" are double chamfered * Grade C (three circumferential lines 120° apart & manufacturers ID) Grade C

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A standard hex nut, also referred to as a finished hex nut, has a smaller width across the flats and corners compared to a heavy hex nut, and a heavy hex nut is slightly thicker than a standard hex nut of the same nominal size Bolt Nut Screw Washer Anchor Special Alloy Fastener Assembly Screw Threaded Rods and Studs Phone:+86-531-59532816

ASTM A563 Grade B Heavy Hex Nut is thicker and heavier in weight. Its part has a larger diameter across the flats. ASTM A563 Grade B Heavy Hex Nut Dimensions in mm. ISO ASTM A563 Grade A Hex Nut NB Across Corners MAX Thickness MIN Thickness MAX Across Flats MIN Across Flats; M 8: 14.38: 6.8: 6.44: 13: 12.73: M 10: 17.77: 8.4: 8.04: 16: 15

Nut Size Thread; Pitch s s e m Nut Size Thread; Pitch Width; Across; Flats Width; Across; Flats Width; Across; Corners Hei Nut Size Thread; Pitch max min min max M1.6 0.35 3.20 3.02 3.41 1.30

Dimensions for hex nuts, heavy hex nuts, hex jam nuts and heavy hex nuts.  Thread dimensions and oversizing allowances for hot-dipped galvanized nuts.

Heavy Hex Nuts: Dimensions & Specifications ; Hardness, 1/4" - 5/8": Rockwell B95-C32, 3/4"-1": Rockwell B80-C32 ; Proof Load. 1/4" - 5/8": 100,000 psi; 3/4" - 1"