Hex Bolt Dimensions Hex Cap Screw Dimensions Have you ever wondered “how thick is the head of the bolt that I just bought”? Well, good news is that fasteners are made to universal specifications that are known globally. Therefore, all you have to do is look at a hex bolt dimensions chart and you […] Cap Screws Bolts – Grades 5 8 Dimensions For Standard Hex Cap Screws ‡Length of a cap screw is measured from the underhead bearing surface to the extreme end of the screw Cap screws shall be fabricated from austenitic corrosion resistant steel of types 18-8, AISI 384, or equivalent types, and shall have a minimum tensile strength of 80,000 psi for sizes up to and including 5/8 in and 70,000 psi for sizes larger than 5/8 in.

grade-8 hex cap screw *These properties are tested only on machined specimens when the testing machine cannot provide for full testing of the parts. **Product standards require the manufacturer’s head marking to appear on the top of all cap screws 1/4” diameter and larger. Dimensions of Metric Hex Cap Screws - 8.8 Coarse. Metric Hex Cap Screws ANSI B18.2.3.1M, ISO 4014, DIN 931; D DS S E K K1 C DW; Nom. Screw Dia. Thread Pitch . Flats (Wrench Size ) Width Across Corners Head Height Wrench Height Washer Face Thickness . *DIN 931 spec calls for maximum width across flats on these 3 sizes to be 17, Buy Hex Nuts, Jam Nuts at InStock Fasteners - The low-price easy-to-use source for industrial and construction fasteners - screws , nuts, bolts , washers, pins, more - standard fasteners. High quality parts, delivered on time, at prices that beat your current source. Hex Cap Screw Dimensions Table. Hex Cap Screw Dimensions .

B7 Alloy Heavy Hex Head Cap Screws Designed for high temperature, high strength applications, these screws meet ASTM A-193 Grade B7 specifications. Manufactured from 4140 steel, they are clearly marked for ease of inspection. Nominal Screw Size . Nominal Screw length. Up to 1 in., incl. Over 1 in. to 2 21/2 in., incl. Over 2 1/2 in. Tapping Screws (Approx. Hole Sizes ) 1-24 Thumb and Wing Screws 1-25 to 1-27 B7 Studs and Nuts Stud Bolts for Pressure-Temperature Piping 2-1 General Purpose End-to-End Studs 2-2 Tap End Stud Bolts 2-3 Double End Stud Bolts 2-4 Bolts Hex Cap Screws (Finished Hex Bolts ) 3-1 Wrench Openings for Square and Hex Bolts and Screws 3-2 to 3-3 Portland Bolt manufactures hex bolts from 1/2″ diameter through 2-1/2″ diameter in most ASTM, AASHTO, and SAE specifications. Special tooling can be created to produce nonstandard head dimensions or bolt heads herepany’s name and/or logo.