US$ 10.99
9/16-18 x 4 Socket Cap Screw Alloy
Heavy duty construction made to Type J aircraft specifications
#19 Heavy Duty Drill Bit - Stubby Length
Typical hardness on diameters 1/4 to 1 inch is HRC 25-34
304 and 305 series stainless steels so 18-8 is used at times to designate any and all of those alloy groups
1 1/4-12 x 2 Socket Cap Screw Alloy F436 Flat Washers Plain 9/16-18 x 4 Socket Cap1 1 4 12 x 2 Socket Cap Screw Alloy . Alloy Socket Head Cap Screws from Brighton Best. Hardness of RC 38 43, meets or exceeds ASTM A574. Manufactured from heat treated alloy steel, 1960 series.
US$ 10.99
US$ 224.50
US$ 545.00