Hex Head Cap Screws Dimensions

Hex bolts are less precise and therefore cheaper than hex cap screws.

Hex head cap screws dimensions. Our cap screws can be customized to your application and industry. Hex cap screw is a hexagonal head shape screw with a flat and washer faced bearing surface under the head. Choose from our selection of socket head cap screws including socket head screws rounded head screws and more. In stock and ready to ship.

This chart contains information on number metric and fractional number socket head cap screws along with tap drill information. Stainless socket screws have less tensile and yield strength than alloy sockets but superior corrosion resistance. Drilled head metric hexagon socket head cap screws normally are not available in screw sizes smaller than m3 nor larger than m36. A cap screw is a screw that has a thick wide head and a flat bottom toward the thread facing site.

The hex head cap screw is the most common cap screw and is also the most common fastener in construction and machine assembly. Standard hex cap screw dimensions include. Hex head cap screws 12 1 weights of hex head cap screws 12 2 socket cap screws flat head socket caps 12 3 socket set screw button socket caps 12 4 hex nuts 12 5 flatwashers 12 6 internal external tooth washers 12 7 to 12 8 lockwashers 12 9 miscellaneous general thread length measurement suggested lengths torques for common. Hex cap screws dimensions are shown in the following chart according to asme b18 2 1 standard.

The m3 and m4 nominal screw sizes have two drilled holes spaced 180 degrees apart. Additional features that hex cap screws have which make them superior is that they are manufactured with a higher level of preclusion tighter tolerance and also possess a washer facing under the head of the bolt. Greater tensile strength than same size grade 5 or 8 hex head cap screws while requiring less surface area due to the internal wrenching. They also retain mechanical and performance capabilities at higher than ambient temperatures.

Heavy hex head cap screw is a screw type with a larger screw head and head bearing area. If all else fails you may want to use our drill size conversion table or our tap drill size calculator the information available from our sources is usually sufficient for all computer related drill or screw requirements world wide. Nominal screw sizes m5 and larger have six drilled holes spaced 60 degrees apart unless the purchaser specifies two drilled holes.