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  Hex Bolts  
    Product Model :  AS 2451(Australian Standard)
 
 
AS 2451( Australian Standard ) 1/4 5/16 3/8 7/16 1/2 5/8 3/4
When Bolt Length but 2006"When Bolt LengthL 19.05+2.00 22.23+2.50 25.40+3.00 28.58+3.50 31.75+3.50 38.10+4.00 44.45+4.50
When Bolt Length but 2006" L                            
Thread Rolled Blank (6gGrade) D MAX 5.42 6.89 8.36 9.80 11.25 14.20 17.20
MIN 5.37 6.84 8.31 9.75 11.20 14.15 17.15
Thick Rod Diameter D3 MAX 7.11 8.68 10.28 11.88 13.46 16.89 20.06
MIN                            
hexangular subtense S MAX 11.30 13.33 15.20 18.06 20.82 25.65 30.48
MIN 11.05 13.09 14.86 17.66 20.32 25.02 29.85
Head Height H MAX 4.72 5.79 6.85 7.92 9.22 11.35 13.46
MIN 4.22 5.29 6.35 7.42 8.46 10.60 12.70
When Bolt Length but 200 Tolerance L2

Diameter1/4 - 3/8

1" 1.25"-2.5" 2.75"-4" 4.25"-6" >6"            
+0.50 +0.50 +1.00 +1.50 +2.50            
                                 
Diameter7/16 - 1/2
+0.50 +1.00 +1.50 +2.00 +3.00            
                              
Diameter9/16 - 3/4
+0.50 +1.50 +2.00 +2.50 +3.50            
                               
 
 
 
 
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