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Specification: Specifications Meet GB5783 Thread Size: 12mm Height of the Head: 7.68mm External Hex Drive: 18mm Thread Pitch: 1.75mm Thread Coverage: Full Thread Coverage Exterior Finish: Black Oxide Color: Black About Hex Head Bolts Hex head cap screws are precision threaded fasteners with an External socket drive .They are known for their effecient application performance and endurance widely used in a variety of industries such as construction, manufacturing, engineering, assembling,aircraft and so on. The high quality 12.9 grade alloy steel provide perfect strength and good corrosion resistance in bad environments like high temperature, cold weather and high humidity areas without the need for time consuming and costly maintenance. Eastlo fastener hex cap screws meet the specific tolerance as described and guarantee to out live and out last all other grades of hardware where exposed to outdoor elements. Contact Us: If you have any questions when using, please feel free to contact us by Amazon message.
Package Includes 10 PCS M12-1.75 x 40mm;
Thread Size 12mm; Thread Pitch 1.75mm; Height of the Head 7.68mm; Thread Coverage Full Thread
External Hex Drive Size 18mm;
Screws Length 40mm (excluding the height of the head);
Made of grade 12.9 alloy steel which provides good strength and ideal use in indoor projects. You could also find stainless steel hex bolts if you hope to use them in environments with mositure because black oxide finish is not a protective finish and will rust when exposed to mositure environment for a long time.
