Comparison : Item # 8SFW, 1/2 Inch (in) Flange Size Drilled CD61 SAE J518 Captive Carbon Steel Flange
Item # 12SFW, 3/4 Inch (in) Flange Size Drilled CD61 SAE J518 Captive Carbon Steel Flange
Item # 16SFW, 1 Inch (in) Flange Size Drilled CD61 SAE J518 Captive Carbon Steel Flange
Item # 20SFW, 1-1/4 Inch (in) Flange Size Drilled CD61 SAE J518 Captive Carbon Steel Flange
Item # 24SFW, 1-1/2 Inch (in) Flange Size Drilled CD61 SAE J518 Captive Carbon Steel Flange