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2005-9-15 15:15:59
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  Hex Bolts  
    Product Model :  GB21-76
 
 
GB21-76 M8 M10 M12 M14 M16 M18 M20
Screw Length when Bolt Length ¡Ü125L 22+3.00 26+3.50 30+4.00 34+4.50 38+4.50 42+5.00 46+5.00
When Bolt Length but ¡Ü200 - L 28+3.00 32+3.50 36+4.00 40+4.50 44+4.50 48+5.00 52+5.00
When Bolt Length but ¡Ü200£¾200 L     45+3.50 49+4.00 53+4.50 57+4.50 61+5.00 65+5.00
Full thread allowed for this length. 35.00 45.00 50.00 55.00 65.00 70.00 75.00
Thread Rolled Blank (6gGrade) D MAX 7.10 8.90 10.70 12.55 14.55 16.20 18.20
MIN 7.05 8.85 10.65 12.50 14.50 16.15 18.15
Thick Rod Diameter D3 MAX 8.00 10.00 12.00 14.00 16.00 18.00 20.00
MIN 7.05 8.85 10.65 12.50 14.50 16.15 18.15
hexangular subtense S MAX 12.00 14.00 17.00 19.00 22.00 24.00 27.00
MIN 11.76 13.76 16.76 13.72 21.72 23.72 26.72
Head Height H MAX 5.24 6.24 7.29 8.29 9.29 10.29 11.35
MIN 4.76 5.76 6.71 7.71 8.71 9.71 10.65
When Bolt Length but ¡Ü200 Tolerance L2

DiameterM5 - M20

5-8 10-25 28-50 55-100 >110            
+0.40 +0.70 +1.00 +1.30 +1.50            
-0.40 -0.70 -1.00 -1.30 -1.50             
 
  (4.6,4.8,6.8,8.8,10.9,12.9Grade)
 
 
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