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Sales Systems Limited Products and Services > Fasteners Reference Guide > Bolts / Screws > Square and Hex Bolts and Screws > Hex Lag Screws > Item # HLS12500XXX  
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Item # HLS12500XXX, Hex Lag Screw, 1-1/4" Nominal Dia.






Manufacturer  · Specifications  · Codes and Standards  · Threads Per Inch  · Thread Dimensions

Manufacturer

Manufacturer
Industrial Fasteners Institute


Specifications

Product
Square and Hex Bolts and Screws

Unit of Measure
English

Nominal Size or Basic Product Diameter
1-1/4 in

Nominal Size or Basic Product Diameter (Decimal)
1.2500 in

Max. Body or Shoulder Dia. (E)
1.277 in

Min. Body or Shoulder Dia. (E)
1.223 in

Basic Width Across Flats (F)
1-7/8 in

Max. Width Across Flats (F)
1.875 in

Min. Width Across Flats (F)
1.812 in

Max. Width Across Corners (G)
2.165 in

Min. Width Across Corners (G)
2.066 in

Basic Height (H)
27/32 in

Max. Height (H)
0.876 in

Min. Height (H)
0.749 in

Min. Shoulder Length (S)
0.625 in

Max. Radius of Fillet (R)
0.09 in

Min. Radius of Fillet (R)
0.030 in


Codes and Standards

Codes and Standards
ASME B18.2.1 1996


Threads Per Inch

Threads Per Inch
3-1/4


Thread Dimensions

Pitch (P)
0.308 in

Flat at Root (B)
0.133 in

Depth of Thread (T)
0.119 in

Root Dia. (D1)
1.012 in


 MORE IMAGES 

·  Cone Point

·  Detail of Threads

·  Length Tolerances for Square and Hex Bolts and Screws


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