Howmet Fastening Systems
Howmet Fastening Systems
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This series utilizes a variety of grommets which must be installed into the top panel. They significantly enhance the system’s performance.
Contact us for strengths for stainless steel stud assemblies and for other styles, materials, or finishes.
Steel Stud Assembly w/ Slotted Head, 40S79
Unit of Measure
1 

Item #

Stud Material

Head Style

Finish

L

S

Weight/100

40S79-1 N/A 4037 Alloy Steel per ASTM A752 N/A Slotted N/A Nickel Plate per AMS-QQ-N-290, Type IV, Class 1 (Semi-Bright Finish) N/A 0.383-0.393 in N/A 0.660 in N/A 0.869 lb
40S79-2 N/A 4037 Alloy Steel per ASTM A752 N/A Slotted N/A Nickel Plate per AMS-QQ-N-290, Type IV, Class 1 (Semi-Bright Finish) N/A 0.413-0.423 in N/A 0.690 in N/A 0.887 lb
40S79-3 N/A 4037 Alloy Steel per ASTM A752 N/A Slotted N/A Nickel Plate per AMS-QQ-N-290, Type IV, Class 1 (Semi-Bright Finish) N/A 0.443-0.453 in N/A 0.720 in N/A 0.969 lb
40S79-4 N/A 4037 Alloy Steel per ASTM A752 N/A Slotted N/A Nickel Plate per AMS-QQ-N-290, Type IV, Class 1 (Semi-Bright Finish) N/A 0.473-0.483 in N/A 0.750 in N/A 0.988 lb
40S79-5 N/A 4037 Alloy Steel per ASTM A752 N/A Slotted N/A Nickel Plate per AMS-QQ-N-290, Type IV, Class 1 (Semi-Bright Finish) N/A 0.503-0.513 in N/A 0.780 in N/A 1.050 lb
40S79-6 N/A 4037 Alloy Steel per ASTM A752 N/A Slotted N/A Nickel Plate per AMS-QQ-N-290, Type IV, Class 1 (Semi-Bright Finish) N/A 0.533-0.543 in N/A 0.810 in N/A 1.120 lb
40S79-7 N/A 4037 Alloy Steel per ASTM A752 N/A Slotted N/A Nickel Plate per AMS-QQ-N-290, Type IV, Class 1 (Semi-Bright Finish) N/A 0.563-0.573 in N/A 0.840 in N/A 1.180 lb
40S79-8 N/A 4037 Alloy Steel per ASTM A752 N/A Slotted N/A Nickel Plate per AMS-QQ-N-290, Type IV, Class 1 (Semi-Bright Finish) N/A 0.593-0.603 in N/A 0.870 in N/A 1.300 lb
40S79-9 N/A 4037 Alloy Steel per ASTM A752 N/A Slotted N/A Nickel Plate per AMS-QQ-N-290, Type IV, Class 1 (Semi-Bright Finish) N/A 0.623-0.633 in N/A 0.900 in N/A 1.370 lb
40S79-10 N/A 4037 Alloy Steel per ASTM A752 N/A Slotted N/A Nickel Plate per AMS-QQ-N-290, Type IV, Class 1 (Semi-Bright Finish) N/A 0.653-0.663 in N/A 0.930 in N/A 1.440 lb
40S79-11 N/A 4037 Alloy Steel per ASTM A752 N/A Slotted N/A Nickel Plate per AMS-QQ-N-290, Type IV, Class 1 (Semi-Bright Finish) N/A 0.683-0.693 in N/A 0.960 in N/A 1.520 lb
40S79-12 N/A 4037 Alloy Steel per ASTM A752 N/A Slotted N/A Nickel Plate per AMS-QQ-N-290, Type IV, Class 1 (Semi-Bright Finish) N/A 0.713-0.723 in N/A 0.990 in N/A 1.600 lb
40S79-13 N/A 4037 Alloy Steel per ASTM A752 N/A Slotted N/A Nickel Plate per AMS-QQ-N-290, Type IV, Class 1 (Semi-Bright Finish) N/A 0.743-0.753 in N/A 1.020 in N/A 1.670 lb
40S79-14 N/A 4037 Alloy Steel per ASTM A752 N/A Slotted N/A Nickel Plate per AMS-QQ-N-290, Type IV, Class 1 (Semi-Bright Finish) N/A 0.773-0.783 in N/A 1.050 in N/A 1.740 lb
40S79-15 N/A 4037 Alloy Steel per ASTM A752 N/A Slotted N/A Nickel Plate per AMS-QQ-N-290, Type IV, Class 1 (Semi-Bright Finish) N/A 0.803-0.813 in N/A 1.080 in N/A 1.820 lb
40S79-1A N/A 4037 Alloy Steel per ASTM A752 N/A Slotted N/A Cadmium Plate per AMS-QQ-P-416, Type II, Class 2 Dyed Black Satin Black Synthetic, Enamel on Visible Surfaces N/A 0.383-0.393 in N/A 0.660 in N/A 0.869 lb
40S79-2A N/A 4037 Alloy Steel per ASTM A752 N/A Slotted N/A Cadmium Plate per AMS-QQ-P-416, Type II, Class 2 Dyed Black Satin Black Synthetic, Enamel on Visible Surfaces N/A 0.413-0.423 in N/A 0.690 in N/A 0.887 lb
40S79-3A N/A 4037 Alloy Steel per ASTM A752 N/A Slotted N/A Cadmium Plate per AMS-QQ-P-416, Type II, Class 2 Dyed Black Satin Black Synthetic, Enamel on Visible Surfaces N/A 0.443-0.453 in N/A 0.720 in N/A 0.969 lb
40S79-4A N/A 4037 Alloy Steel per ASTM A752 N/A Slotted N/A Cadmium Plate per AMS-QQ-P-416, Type II, Class 2 Dyed Black Satin Black Synthetic, Enamel on Visible Surfaces N/A 0.473-0.483 in N/A 0.750 in N/A 0.988 lb
40S79-5A N/A 4037 Alloy Steel per ASTM A752 N/A Slotted N/A Cadmium Plate per AMS-QQ-P-416, Type II, Class 2 Dyed Black Satin Black Synthetic, Enamel on Visible Surfaces N/A 0.503-0.513 in N/A 0.780 in N/A 1.050 lb
40S79-6A N/A 4037 Alloy Steel per ASTM A752 N/A Slotted N/A Cadmium Plate per AMS-QQ-P-416, Type II, Class 2 Dyed Black Satin Black Synthetic, Enamel on Visible Surfaces N/A 0.533-0.543 in N/A 0.810 in N/A 1.120 lb
40S79-7A N/A 4037 Alloy Steel per ASTM A752 N/A Slotted N/A Cadmium Plate per AMS-QQ-P-416, Type II, Class 2 Dyed Black Satin Black Synthetic, Enamel on Visible Surfaces N/A 0.563-0.573 in N/A 0.840 in N/A 1.180 lb
40S79-8A N/A 4037 Alloy Steel per ASTM A752 N/A Slotted N/A Cadmium Plate per AMS-QQ-P-416, Type II, Class 2 Dyed Black Satin Black Synthetic, Enamel on Visible Surfaces N/A 0.593-0.603 in N/A 0.870 in N/A 1.300 lb
40S79-9A N/A 4037 Alloy Steel per ASTM A752 N/A Slotted N/A Cadmium Plate per AMS-QQ-P-416, Type II, Class 2 Dyed Black Satin Black Synthetic, Enamel on Visible Surfaces N/A 0.623-0.633 in N/A 0.900 in N/A 1.370 lb
40S79-10A N/A 4037 Alloy Steel per ASTM A752 N/A Slotted N/A Cadmium Plate per AMS-QQ-P-416, Type II, Class 2 Dyed Black Satin Black Synthetic, Enamel on Visible Surfaces N/A 0.653-0.663 in N/A 0.930 in N/A 1.440 lb
40S79-11A N/A 4037 Alloy Steel per ASTM A752 N/A Slotted N/A Cadmium Plate per AMS-QQ-P-416, Type II, Class 2 Dyed Black Satin Black Synthetic, Enamel on Visible Surfaces N/A 0.683-0.693 in N/A 0.960 in N/A 1.520 lb
40S79-12A N/A 4037 Alloy Steel per ASTM A752 N/A Slotted N/A Cadmium Plate per AMS-QQ-P-416, Type II, Class 2 Dyed Black Satin Black Synthetic, Enamel on Visible Surfaces N/A 0.713-0.723 in N/A 0.990 in N/A 1.600 lb
40S79-13A N/A 4037 Alloy Steel per ASTM A752 N/A Slotted N/A Cadmium Plate per AMS-QQ-P-416, Type II, Class 2 Dyed Black Satin Black Synthetic, Enamel on Visible Surfaces N/A 0.743-0.753 in N/A 1.020 in N/A 1.670 lb
40S79-14A N/A 4037 Alloy Steel per ASTM A752 N/A Slotted N/A Cadmium Plate per AMS-QQ-P-416, Type II, Class 2 Dyed Black Satin Black Synthetic, Enamel on Visible Surfaces N/A 0.773-0.783 in N/A 1.050 in N/A 1.740 lb
40S79-15A N/A 4037 Alloy Steel per ASTM A752 N/A Slotted N/A Cadmium Plate per AMS-QQ-P-416, Type II, Class 2 Dyed Black Satin Black Synthetic, Enamel on Visible Surfaces N/A 0.803-0.813 in N/A 1.080 in N/A 1.820 lb
Unit of Measure
1