Fine pitch screws are used in conjunction with a fine pitch threaded hole, or with fine pitch nuts which screws have some distinct advantages over their coarse pitch counterparts. Size for size they are stronger A metric fine thread version of the common DIN 933 / ISO 4017 hexagon head set screw. Fine pitch variant

25 Thread Flanged Hex Flanged Bolt - 981-531D Dorman M10-1.25 Thread Flanged Hex Flanged Bolt - 981-531D

At Machining Doctor, our mission is to serve the machining industry as a comprehensive and reliable source of technical information. We strive to be the go-to destination for professionals in the niche seeking information, knowledge, and expertise. Join us and stay ahead of the curve! settings, as they give closer, more precise control. Some downsides of using Fine pitch bolts or screws more secure and stronger fitment. Used where high levels of strength are required - a fine pitch bolt as they have a much smaller thread incline. Fine pitch bolts should be preferred if being used to adjusta larger minor diameter meaning shear is less likely. Fine Pitch set screws have less tendancy to loosen has a larger stress area creating better tension than its coarse pitch counterpart, also they are less Length of Screw Thread Engagement per. ISO 965-1 Calculator, Formula and Table Length of engagement of mating threads is selected to utilize full tensile strength of a bolt prior to shearing and nut threads. OverWire is a measuring method to obatin the pitch diameter of threads. It is mostly used when a manufacturer does not have a Go/Nogo gauge for a thread. You can learn more about it here Westfield Fasteners Limited is a company registered in England and Wales with company number 07215583.

Bolts and Machine Screws - Metric - Westfield Fasteners Ltd

The following table chart defines standard metric external thread size M1.6 to M18 per. ANSI/ASME B1.13M-1995. These thread sizes and classes represent bolts and screws, as well, as other standard external threads. Do not use these values for standard metric internal thread design. All units in mm. These are the M Profile limiting Dimensionings.