DIN 931 Hexagon head bolts Standard Dimensions, Technical Data and Size Chart Data Table Click the Button to Download DIN 931 Hexagon head bolts Standard Dimensions, Technical Data and Size Chart Data Table in PDF Format DIN 931 PDF Steel: 8.8,10.9,12.9Stainless: A 2 Equivalent norms:ISO 4014CSN 21101PN 82101UNI 5737EU 24014 Available Finish:BlackBright ZincHot Dip Galvanized Terminology and Measurements l – Length of Boltd – The Nominal Diameter of the Threadk – Head Heighte – The Diameter of the Circumscribed Circles – Head Widtha1 – Length Undercutdp – Diameter of the Ejectorr – Head Radiusk´ – Minimum Size of the Head on the Key Thread size dpkcrseb min.max.DIN 931ISO 4014DIN 931ISO 4014(L≤125)(125(L>200) M30.520.150.40.15.5166.0117.771218- M40.72.80.150.40.27187.6620.031420- M50.83.50.150.50.28218.7923.361622- M6140.150.50.25101011.0511.051824- M81.255.30.150.60.4131314.3814.382228- M101.56.40.150.60.4171718.918.9263245 M121.757.50.150.60.6191921.121.1303649 M1428.80.150.60.6222224.4924.49344053 M162100.20.80.6242426.7526.75384457 M182.511.50.20.80.6272730.1430.14424861 M202.512.50.20.80.8303433.5337.72465265 M222.5140.20.80.8323238.8538.85505669 M243150.20.80.8363639.9839.98546073 M273170.20.81414145.245.2606679 M303.518.70.20.81464650.8550.85667285 M36422.50.20.81555560.7960.79-8497 M424.5260.311.2656571.371.3-96109 M485300.311.6757582.682.6-108121 M565.5350.312858593.5693.56--137 M646400.3129595104.9104.9--153