Suggested Assembly Torque Values - Nuts and Bolts

1 Copper State bolt & Nut Co. - Confidential5/20/2016 SizeA307A449304 Stainless316 StainlessB8 & B8MA193-B8 class 1A193-B8M class 1 Plain K=.2 Clamp LoadPlain K=.2 GalvanizedPlain K=.2 Dry K=.2 Dry K=.2 Clamp LoadLubricated K=.16 Lubricated K=.16 Inch-Lbs75% of yieldInch-LbsInch-Lbs75% of , , , ,180555/16-24124, , ,11338484520211,744993/8-24236,916435022 231,97610107/16-14328,36361767031332,392 14147/16-20369,349688033352,67116161/2-1 35011,1759311610543453,19321211/2-205512 ,59610512045473,59924249/16-127014,32513 416815056594,09431319/16-188015,98515017 062654,56734345/8-119517,813186232210929 65,08542425/8-1811020,1572102401031085,7 5948483/4-1017526,2883294113751271317,52 575753/4-1619029,3713674201241298,392848 47/8-916536,37553066360519420210.

2 3891211217/8-1418540,12158567019320111,4 631341341-825047,73879699591028629913,62 91821821-1428053,5418921,02025927015,297 2042041 1/8-735060,0751,1261,4081,2904134321 1/8-862,2011,1661 1/4-750076,3131,5901,9871,8205235461 1/4-878,7541,64122,4933753751 1/2-6870110,6632,7673,4583,1658889301 1/2-8117,5152,93833,5666716711 3/4-51,390149,6254,3645,0001 3/4-82-4 1/22,060196,8756,5637,5152-82 1/4-4 1/2255,9389,5982 1/2-4315,00013,125A193-B7 Suggested Assembly Torque ValuesThe tapped hole or nut must have an equal or greater proof load than the stud's minimum ultimate tensile strength.

3 K= friction coatings, lubrication, and Assembly factors can alter these Values . Values in this chart are advisory only, all applications does not specify tightening torques. Generally the full effort of an ironworker with a ordinary spud wrench is sufficient to tighten the nuts on anchor the design engineer to determine the proper tightening Torque or if pretensioning is required for your State bolt & Nut Co. - Confidential5/20/2016 All Thread Stud Cutting in:Phoenix, AZTucson, AZDenver, COAlbuquerque, NMTensile Strength (ksi)

4 Carbide Solution treated 316 S/SHeat treated Medium Alloy SteelHeat treated Alloy SteelLow Alloy Steel304 Stainless Steel316 Stainless SteelCarbide Solution treated 304 S/SProduct available as Domestic or ImportLow Carbon SteelASTM A193 Grade B7304 Stainless Steel316 Stainless SteelASTM A193 Grade B8 ASTM A193 Grade B8M1/4 - 2 1/2"1/2 - 4"1/2 - 3"AllAllAllAll75 minimumN/A1/4 - 1"1 1/8 - 1 1/2"1 5/8 - 3"ASTM A449 ASTM A307A120 minimum105 minimum90 minimum1/4 - 4"60 minimumOthers by Special OrderASTM F1554 Grade 55 ASTM F1554 Grade 105125 - 150 58 - 8075 minimumASTM F1554 Grade 3630 minimumLow Carbon SteelHeat treated Alloy Steel, 4140/414292 minimum81 minimum58 minimum105 minimum75 - 12075 - 12540 minimum40 minimum30 minimum125 minimum105 minimum36 minimumMaterialSpecificationColor codes for painting the ends of F1554 Graded rods.

5 Grade 36 = Blue, Grade 55 = Yellow, Grade 105 = Thread Rod & All Thread Stud MaterialsWhen galvanizing high strength studs such as B7 & F1554-105, caution should be used as there is a risk of hydrogen the design engineer and the galvanizer for your Strength (ksi)1/2 - 4"75 - 9555 minimum