Request Information
Unit of Measure
Items
Square Lag Screws

Square Lag Screw, No. 10 Nominal Dia.
Square Lag Screws

Square Lag Screw, 1/4" Nominal Dia.
Square Lag Screws

Square Lag Screw, 5/16" Nominal Dia.
Square Lag Screws

Square Lag Screw, 3/8" Nominal Dia.
Square Lag Screws

Square Lag Screw, 7/16" Nominal Dia.
Manufacturer N/A Industrial Fasteners Institute
Product N/A Square and Hex Bolts and Screws
Codes and Standards N/A ASME B18.2.1 1996
Unit of Measure N/A English
Nominal Size or Basic Product Diameter N/A No. 10 N/A 1/4 in N/A 5/16 in N/A 3/8 in N/A 7/16 in
Nominal Size or Basic Product Diameter (Decimal) N/A 0.1900 in N/A 0.2500 in N/A 0.3125 in N/A 0.3750 in N/A 0.4375 in
Max. Body or Shoulder Dia. (E) N/A 0.199 in N/A 0.260 in N/A 0.324 in N/A 0.388 in N/A 0.452 in
Min. Body or Shoulder Dia. (E) N/A 0.178 in N/A 0.237 in N/A 0.298 in N/A 0.360 in N/A 0.421 in
Basic Width Across Flats (F) N/A 9/32 in N/A 3/8 in N/A 1/2 in N/A 9/16 in N/A 5/8 in
Max. Width Across Flats (F) N/A 0.281 in N/A 0.375 in N/A 0.500 in N/A 0.562 in N/A 0.625 in
Min. Width Across Flats (F) N/A 0.271 in N/A 0.362 in N/A 0.484 in N/A 0.544 in N/A 0.603 in
Max. Width Across Corners (G) N/A 0.398 in N/A 0.530 in N/A 0.707 in N/A 0.795 in N/A 0.884 in
Min. Width Across Corners (G) N/A 0.372 in N/A 0.498 in N/A 0.665 in N/A 0.747 in N/A 0.828 in
Basic Height (H) N/A 1/8 in N/A 11/64 in N/A 13/64 in N/A 1/4 in N/A 19/64 in
Max. Height (H) N/A 0.140 in N/A 0.188 in N/A 0.220 in N/A 0.268 in N/A 0.316 in
Min. Height (H) N/A 0.110 in N/A 0.156 in N/A 0.186 in N/A 0.232 in N/A 0.278 in
Min. Shoulder Length (S) N/A 0.094 in N/A 0.094 in N/A 0.125 in N/A 0.125 in N/A 0.156 in
Max. Radius of Fillet (R) N/A 0.03 in
Min. Radius of Fillet (R) N/A 0.010 in
Threads Per Inch N/A 11 N/A 10 N/A 9 N/A 7 N/A 7
Pitch (P) N/A 0.091 in N/A 0.100 in N/A 0.111 in N/A 0.143 in N/A 0.143 in
Flat at Root (B) N/A 0.039 in N/A 0.043 in N/A 0.048 in N/A 0.062 in N/A 0.062 in
Depth of Thread (T) N/A 0.035 in N/A 0.039 in N/A 0.043 in N/A 0.055 in N/A 0.055 in
Root Dia. (D1) N/A 0.120 in N/A 0.173 in N/A 0.227 in N/A 0.265 in N/A 0.328 in
Search Catalog: GO
Use trailing wildcard (*) for broader results.