Catalog 21 Page 344 Fastening Methods

80/20 Inc. For the most up to date information on 80/20 products visit 8020.net 344 Fastening Methods FASTENERS 90 Degree Structural Pivot Nub Part Description: The 90 degree structural pivot nub is an external fastening method commonly used as a connection hub to create a structural pivot ranging from 0-180 degrees perpendicular to the mounting prole. It has a slot tab that helps prevent the nub from rotating as well as assists with alignment in the T-slot. The 90 degree structural pivot nub requires no machining services and can be easily assembled, lending itself to repositioning and reuse. Part No. Series Color A B C D E F G H J K L M N P Weight 4188 Clear 1.000 .500 1.000 .500 1/4-20 1/4-20 1.000 .500 .245 .377 .500 .500 .060 .250 .102 lb 4188-Black Black 1.000 .500 1.000 .500 1/4-20 1/4-20 1.000 .500 .245 .377 .500 .500 .060 .250 .102 lb 4388 Clear 1.500 .750 1.500 .750 5/16-18 5/16-18 1.500 .750 .312 .594 .750 .750 .100 .312 .324 lb 4388-Black Black 1.500 .750 1.500 .750 5/16-18 5/16-18 1.500 .750 .312 .594 .750 .750 .100 .312 .324 lb 25-4188 Clear 25.00 mm 12.50 mm 25.00 mm 12.50 mm M6 x 1.0 M6 x 1.0 25.00 mm 12.50 mm 6.30 mm 9.35 mm 12.50 mm 12.50 mm 1.10 mm 6.15 mm .0402 kg 25-4188-Black Black 25.00 mm 12.50 mm 25.00 mm 12.50 mm M6 x 1.0 M6 x 1.0 25.00 mm 12.50 mm 6.30 mm 9.35 mm 12.50 mm 12.50 mm 1.10 mm 6.15 mm .0402 kg 40-4388 Clear 40.00 mm 20.00 mm 40.00 mm 20.00 mm M8 x 1.25 M8 x 1.25 40.00 mm 20.00 mm 7.92 mm 16.03 mm 20.00 mm 20.00 mm 2.13 mm 7.92 mm .1545 kg 40-4388-Black Black 40.00 mm 20.00 mm 40.00 mm 20.00 mm M8 x 1.25 M8 x 1.25 40.00 mm 20.00 mm 7.92 mm 16.03 mm 20.00 mm 20.00 mm 2.13 mm 7.92 mm .1545 kg Included Hardware (Mount Nub to T-Slot) Suggested Hardware (Mount Arm to Nub) Part No. Series Qty. Bolt T-Nut 3306 1 1/4-20 x 1 SHCS Economy 3613 1 5/16-18 x 1.5 SHCS Economy 75-3415 1 M6 x 25 mm SHCS Economy 75-3479 1 M8 x 40 mm SHCS Economy Part No. Series Qty. Bolt 3342 2 1/4-20 x 1/2 FBHSCS 3330 2 5/16-18 x 11/16 FBHSCS 13-6312 2 M6 x 12 mm BHSCS 13-8316 2 M8 x 16 mm BHSCS B E THRU & CBORE D A C K M H F TAP THRU R. L J P N G 90 Degree Structural Pivot Nub Bolt T-Nut Material Specications Material Grade Process Finish Aluminum 6105-T5 Milled Anodize 40 Series 25 Series 10 Series 15 Series Metric Fractional

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