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Square Tube Flanges

Square tube flanges are available in steel and aluminum. Square aluminum flanges are stamped out of .125" material, steel square flanges are stamped out of 10 gage material. Flanges for rectangular tubing also available. For additional sizes, stainless steel and other special materials, please call or request a quote. 

  • Tube Sizes Available: 3/4", 1", 1-1/4", 1-1/2", 1-3/4", 2"
  • Steel Square Tube Flanges
  • Aluminum Square Tube Flnages (3003 Alloy)




Item # O.D Alloy Base Diameter Bolt Circle Height Material Mount Hole Diameter Mount Holes Pipe/Tube Size Thickness Wt.Ea. List Price
SQFF0750 0.75 in. 3 2 in. 3/8 in. Steel 5/16 in. 0 3/4" SQ. TUBE 10 GAGE 0.48 lb. Quote
SQFF0750-AL 0.75 in. 3003 3 2 in. 3/8 in. Aluminum 5/16 in. 0 3/4" SQ. TUBE .125" 0.14 lb. Quote
SQFF0754 0.75 in. 3 2 in. 3/8 in. Steel 5/16 in. 4 3/4" SQ. TUBE 10 GAGE 0.46 lb. Quote
SQFF0754-AL 0.75 in. 3003 3 2 in. 3/8 in. Aluminum 5/16 in. 4 3/4" SQ. TUBE .125" 0.13 lb. Quote
SQFF1000 1 in. 3 2 in. 3/8 in. Steel 5/16 in. 0 1" SQ. TUBE 10 GAGE 0.42 lb. Quote
SQFF1000-AL 1 in. 3003 3 2 in. 3/8 in. Aluminum 5/16 in. 0 1" SQ. TUBE .125" 0.16 lb. Quote
SQFF1004 1 in. 3 2 in. 3/8 in. Steel 5/16 in. 4 1" SQ. TUBE 10 GAGE 0.41 lb. Quote
SQFF1004-AL 1 in. 3003 3 2 in. 3/8 in. Aluminum 5/16 in. 4 1" SQ. TUBE .125" 0.15 lb. Quote
SQFF1250 1.25 in. 3 2 in. 3/8 in. Steel 5/16 in. 0 1 1/4" SQ. TUBE 10 GAGE 0.4 lb. Quote
SQFF1250-AL 1.25 in. 3003 3 2 in. 3/8 in. Aluminum 5/16 in. 0 1 1/4" SQ. TUBE .125" 0.13 lb. Quote
SQFF1254 1.25 in. 3 2 in. 3/8 in. Steel 5/16 in. 4 1 1/4" SQ. TUBE 10 GAGE 0.38 lb. Quote
SQFF1254-AL 1.25 in. 3003 3 2 in. 3/8 in. Aluminum 5/16 in. 4 1 1/4" SQ. TUBE .125" 0.13 lb. Quote
SQFF1500 1.5 in. 3.75 2.5 in. 3/8 in. Steel 5/16 in. 0 1 1/2" SQ. TUBE 10 GAGE 0.58 lb. Quote
SQFF1500-AL 1.5 in. 3003 3.75 2.5 in. 3/8 in. Aluminum 5/16 in. 0 1 1/2" SQ. TUBE .125" 0.19 lb. Quote
SQFF1504 1.5 in. 3.75 2.5 in. 3/8 in. Steel 5/16 in. 4 1 1/2" SQ. TUBE 10 GAGE 0.57 lb. Quote
SQFF1504-AL 1.5 in. 3003 3.75 2.5 in. 3/8 in. Aluminum 5/16 in. 4 1 1/2" SQ. TUBE .125" 0.18 lb. Quote
SQFF1750 1.75 in. 3.75 2.5 in. 3/8 in. Steel 5/16 in. 0 1 3/4" SQ. TUBE 10 GAGE 0.52 lb. Quote
SQFF1750-AL 1.75 in. 3003 3.75 2.5 in. 3/8 in. Aluminum 5/16 in. 0 1 3/4" SQ. TUBE .125" 0.18 lb. Quote
SQFF1754 1.75 in. 3.75 2.5 in. 3/8 in. Steel 5/16 in. 4 1 3/4" SQ. TUBE 10 GAGE 0.5 lb. Quote
SQFF1754-AL 1.75 in. 3003 3.75 2.5 in. 3/8 in. Aluminum 5/16 in. 4 1 3/4" SQ. TUBE .125" 0.19 lb. Quote
SQFF2000 2 in. 3.75 2.5 in. 3/8 in. Steel 5/16 in. 0 2" SQ. TUBE 10 GAGE 0.6 lb. Quote
SQFF2000-AL 2 in. 3003 3.75 2.5 in. 3/8 in. Aluminum 5/16 in. 0 2" SQ. TUBE .125" 0.17 lb. Quote
SQFF2004 2 in. 3.75 2.5 in. 3/8 in. Steel 5/16 in. 4 2" SQ. TUBE 10 GAGE 0.58 lb. Quote
SQFF2004-AL 2 in. 3003 3.75 2.5 in. 3/8 in. Aluminum 5/16 in. 4 2" SQ. TUBE .125" 0.16 lb. Quote

Request a free quote, please call 800-879-4418.

About us

Sharpe Products provides unrivaled expertise in pipe bending, laser tube cutting and custom fabrication services that meet your unique bending and cutting needs in a timely, cost-effective manner.

Contact us

  • 2550 S. 170th Street
    New Berlin, WI 53151

  • T: 800-879-4418 F: 262-754-0374

  • estimating@sharpeproducts.com