... , any drawings or samples service is welcome. Product Name: ASTM A194 Gr.2H Heavy Hex Nuts Material: C1035; C1045 Carbon SteelSize: ... : M, UNC, UNF, UNEF, BSW Specification: ASTM A194 Gr.2H/ Gr.2HMStandard: DIN, ASME, ASTM, ANSI, IFI, etc.Please send your specific enquiry ... to your mechanical drawing or sample.For more details, please don't hesitate to contact us. ASTM A194 Gr.2H Heavy Hex Nuts