Grade Identification Markings for Nuts Specification ...

1 411 Visit us on the WEB @ ,KY270-830-0077 Owensboro, KY270-684-0877Mt. Vernon,IL618-244-7156 Henderson,KY270-830-0077 Owensboro, KY270-684-0877Mt. Vernon,IL618-244-7156 Henderson,KY270-830-0077 Owensboro, KY270-684-0877Mt. Vernon,IL618-244-7156 Grade Identification Markings for NutsedarGdaoL foorPlanimoNlairetaMnoitacificepSnoitaci fitnedIcniZssertSeziS(Inches)Plain(psi) A563 - Gr ade 0 Carbon Steel 1/4 - 1-1/269,000*52,000*B55C32 ASTM A563 - Gr ade ACarbon Steel1/4 - 1-1/290,000*68,000*B68C32 ASTM A563 - Gr ade ACarbon Steel1/4 - 4100,000*75,000*B68C32 Heavy Hex90,000*68,000*ASTM A563 - Gr ade CCarbon Steel,1/4 - 4144,000144,000B78C38 Heavy HexMay Be Quenched& TemperedASTM A563 - Gr ade DHCarbon Steel,1/4 - 4175,000150,000C24C38 dehcneuQxeH yvaeHand TemperedASTM A194 - Gr ade 2 HMedium1/4 - 1-1/2175,000150,000**C24C38leetS nobraCxeH yvaeHover 1-1/2C38501B06B000,082/1-1 - 4/1403 ISIA8 edarG - 491A MTSAH eavy HexSAE J995 Grade Indentification for NutsnoitacifitnedI edarGdaoL foorPlanimoNlairetaMnoitacificepSgnikraM ssertSeziS(Inches)(psi)

2 *000,0211 - 4/1 nobraC nuideM5 edarG - 599J EAS**000,901dehcneuQ ,leetS23C*000,5012/1-1 - 1 revoderepmeT &94,000**SAE J995 - Gr ade 8 Medium Carbon1/4 - 5/8150,000*C24C3243C62C,leetS yollA63C62C1-8/5 revodehcneuQ& Temperedover 1 - 1-1/2 ASTM A563 Grade and ANSI Style Nut)D( noitutitsbuS elbatiuSlanimoNecafruSedarGxeH yvaeH)C( dednemmoceR).nI( eziS)B( hsiniF)A( tloB foHD ,C ,AtuN xeH A edarG2/1-1 ot 4/1& nialP703A MTSAHD ,CtuN xeH yvaeH A edarG2 ot 2/1-1 revodetaoC cniZA edarGovHD ,CtuN xeH yvaeH A edarG4 ot 2 reHD ,CtuN xeH yvaeH A edarG2/1-1 ot 4/1& nialP703A MTSAHD ,CtuN xeH yvaeH A edarG2 ot 2/1-1 revodetaoC cniZB edarGovHD ,CtuN xeH yvaeH A edarG4 ot 2 reHD ,CtuN xeH B edarG2/1-1 ot 4/1nialP944A MTSATHD ,CtuN xeH yvaeH A edarG3 ot 2/1-1 revo2 & 1 sepyZinc Coated1/4 to 1-1/2Gr ade DH Heavy Hex Nutover 1-1/2 to 3Gr ade DH Heavy Hex NutHDtuN xeH yvaeH C edarG2/1-1 ot 2/1nialP523A MTSAASTM A194 2H, PlainZinc Coated1/2 to 1-1/2Gr ade DH Heavy Hex NutHDtuN xeH yvaeH C edarG2/1-1ot 4/1nialP453A MTSAHDtuN xeH yvaeH C edarG4 ot 2/1-1 revoCB edarGZinc Coated1/4 to 1-1/2Gr ade DH Heavy Hex Nutover 1-1/2 to 4Gr ade DH Heavy Hex NutHDtuN xeH yvaeH HD edarG2/1-1 ot 4/1nialP453A MTSAtuN xeH yvaeH HD edarG3 ot 2/1-1 revoDB edarGtuN xeH yvaeH HD edarG2/1-1 ot 2/1nialP094A MTSAASTM A194 2H, PlainASTM A193 ASTM A194Gr ade B7Gr ade 2H Heavy Hex NutASTM A193 ASTM A194Gr ade B8Gr ade 8 ASTM A193 ASTM A194Gr ade B8 MGr ade 8M* UNC and 8 UN** UNF 12 UN and Finer** When a zinc coated A194 2 Hnut is supplied,the zinc coating,overtapping,lubrication and rotation capacity testing shall be in accordance with ASTM A563 and the pr oofstress reduced accordingly.

3 Nuts coated with zinc shall have an asterisk (*) marked after the Grade coated cadmium shall have a plus sign (+) marked afterthe Grade symbol.** These graded Identification Markings show the latest re Markings will be acceptable for a transition :the above chart should not be considered all inclusive for the fasteners nuts listed are those that are readily available .(A) Bolt includes all externally threaded types of fasteners.(B) Zinc coated nuts are nuts intended for use with externally threaded fastners which are hot-dip zinc-coated,mechanically zinc-coated or have a plating or coating of suffi-cient thickness to require overtapping the nut to pr ovide assembly.(C) Recommended denotes a commercially available nut having the most suitable mechanical pr operties and dimensional configuration,or style, that will make it possibleto obtain the desired bolt load.(D) Suitable denotes nuts having mechanical pr operties that will make it possible to obtain the desired bolt load,but may require consideration of dimensional configura-tion,style, suitability and Bolt and ASTM A563 Nut Capatibility (ASTM A194 Compatibility Shown for A325 & A490 Bolts)1 (866) 677-6689