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Sales Systems Limited Products and Services > Fasteners Reference Guide > Bolts / Screws > Round Head Bolts > Countersunk Bolts and Slotted Countersunk Bolts > Item # CBSCB03750XXX  
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Item # CBSCB03750XXX, Countersunk Bolt and Slotted Countersunk Bolt, with 0.388" Body Dia.


  • Where specifying nominal size in decimals, zeros preceding decimal and in the fourth decimal place shall be omitted.
  • Flat on minimum diameter head calculated on minimum sharp and absolute minimum head diameters and 82 deg head angle.
  • Head shall be unslotted, unless otherwise specified. Slot dimensions are same as Slotted Flat Countersunk Head Cap Screws in American National Standard, ASME B18.6.2.
  • Maximum head height calculated on maximum sharp head diameter, basic bolt diameter and 78 deg head angle.
  • Minimum head height calculated on minimum sharp head diameter, basic bolt diameter and 82 deg head angle.




Manufacturer  · Specifications  · Codes and Standards

Manufacturer

Manufacturer
Industrial Fasteners Institute


Specifications

Product
Round Head Bolts

Unit of Measure
English

Nominal Size or Basic Bolt Dia.
3/8 in

Nominal Size or Basic Bolt Dia. (Decimal)
0.3750 in

Max. Body Dia. (E)
0.388 in

Min. Body Dia. (E)
0.360 in

Max. Edge Sharp Head Dia. (A)
0.740 in

Min. Edge Sharp Head Dia. (A)
0.715 in

Absolute Min. Edge Rounded or Flat Head Dia. (A)
0.668 in

Max. Flat on Min. Dia. Head (F)
0.027 in

Max. Head Height (H)
0.225 in

Min. Head Height (H)
0.196 in

Max. Slot Width (J)
0.094 in

Min. Slot Width (J)
0.081 in

Max. Slot Depth (T)
0.103 in

Min. Slot Depth (T)
0.068 in


Codes and Standards

Codes and Standards
ASME B18.5 1990 (R1998)


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