Wing NutSIZEK （mm）L （mm）dk （mm）M （mm）B （mm）Y （mm）Package (Pcs/Bag)Approx.Weight (Kg/1000Pcs)AISI 304 Cost (RMB/Pcs)AISI 316 Cost (RMB/Pcs)M49.8 22.6 2.0 6.0 7.0 8.0 100.0 3.1 1.7 2.6 M512.8 27.6 2.7 7.3 8.0 10.0 100.0

Material requirements for boltsPerformance levelMaterials and Heat treatmentChemical compositionTempering temperatureCPSB 1)℃minmaxmaxmaxmaxMin3.6 2)Carbon steel一一0.20.050.060.003一一4.6 2)一一0.550.050.060.003一一4.8 2)5.60.130.550.050.060.003一一5.8 2)一一0.550.050.066.8 2)6.8 2)Low carbon alloy steels (suc

DIN 582 Eye BoltSIZEA （mm）B （mm）C （mm）D （mm）E （mm）Package (Pcs/Bag)Approx.Weight (Kg/1000Pcs)AISI 304 Cost (RMB/Pcs)AISI 316 Cost (RMB/Pcs)M512.20 22.10 21.70 11.70 4.95 100 9.20 2.00 2.60 M616.42 27.00 29.60 16.00 5.36 100 19.8

Bolts grade, strength distinction and tighteningStrength to distinguish4.85.66.87.68.810.912.9Minimum breaking strength40kg/mm250kg/mm260kg/mm270kg/mm2800kg/mm2100kg/mm2120kg/mm2The material45#35#40chromiumAlloy steel (hot)Chromium-molybdenum alloy steel (hot)Ni-cr-mo alloy steel (hot)Ni-cr-mo alloy

DIN 580 Eye BoltSIZEA （mm）B （mm）C （mm）L （mm）Package (Pcs/Bag)Approx.Weight (Kg/1000Pcs)AISI 304 Cost (RMB/Pcs)AISI 316 Cost (RMB/Pcs)M37.29 12.92 13.94 9.51 1002.92 2.62 3.67 M410.41 17.77 19.17 10.83 1006.32 2.72 3.81 M513.55 22.43 23.

Axial Proof Load for ThreadRive nutMechanical charThread SizeM3M4M5M6M8M10M12Round and Hex,Flat and (Reduced)countersunk head Proof LoadSteel/stainless steel390068001150016500250003200034000Aluminum19004000650078001230017500——