Catalog 21 Page 351 Fastening Methods

80/20 Inc. For the most up to date information on 80/20 products visit 8020.net 351 Fastening Methods FASTENERS Extended Straight Structural Pivot Arm Part Description: The extended straight structural pivot arm is an external connection method that can be used either with a nub or mounted directly to the T-slot.This part is typically used to create a structured angle connection between proles while the extended arm provides a larger clearance area for pivot rotation. It provides a long-lasting connection, requires no machining services, and can be easily assembled, lending itself to repositioning and reuse. Helpful Hint: Use double slide-in economy T-nut bolt assemblies, found on page 406, to save time and money. Tip: Pre-load your hardware prior to connecting proles to simplify your assembly and save time. Part No. Series Color A B C D E F G H J Weight 4199 Clear .500 .500 3.995 .505 .257 1.000 1.000 .250 2.010 .092 lb 4199-Black Black .500 .500 3.995 .505 .257 1.000 1.000 .250 2.010 .092 lb 4399 Clear .745 .750 6.000 .750 .328 1.500 1.490 .250 3.000 .203 lb 4399-Black Black .745 .750 6.000 .750 .328 1.500 1.490 .250 3.000 .203 lb 25-4199 Clear 12.50 mm 12.50 mm 100.00 mm 12.50 mm 6.30 mm 25.00 mm 25.00 mm 6.00 mm 50.00 mm .0400 kg 25-4199-Black Black 12.50 mm 12.50 mm 100.00 mm 12.50 mm 6.30 mm 25.00 mm 25.00 mm 6.00 mm 50.00 mm .0400 kg 40-4399 Clear 19.90 mm 20.00 mm 160.00 mm 20.00 mm 8.30 mm 40.00 mm 39.80 mm 6.00 mm 80.00 mm .0958 kg 40-4399-Black Black 19.90 mm 20.00 mm 160.00 mm 20.00 mm 8.30 mm 40.00 mm 39.80 mm 6.00 mm 80.00 mm .0958 kg Extended Straight Structural Pivot Arm Bolt T-Nut Part No. Series Qty. Bolt T-Nut 3321 3 1/4-20 x 1/2 FBHSCS Economy 3320 3 5/16-18 x 11/16 FBHSCS Economy 75-3404 3 M6 x 10 mm BHSCS Economy 75-3422 3 M8 x 16 mm BHSCS Economy C R. D G H B F J E TYP A Suggested Hardware (Mount Arm to T-slot) Material Specications Material Grade Process Finish Aluminum 6105-T5 Milled Anodize Dbl T-nut 40 Series 25 Series 10 Series 15 Series Metric Fractional

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