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Roberson Square Drive System

 

1/4" Hex Power Bits

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Overall Length
Part Number Point Size Nominal Size  Inches MM
120-RO7 0 1/16 1.875 47.6
120-R1-7 1 3/32 1.875 47.6
120-R2-7 2 1/8 1.875 47.6
120-R2A-7 2 1/8 1.875 47.6
120-R2AC-7 2 1/8 1.875 47.6
120-R3-7 3 9/64 1.875 47.6
120-R3A-7 3 9/64 1.875 47.6
Overall Length
Part Number Point Size Nominal Size  Inches MM
120-RO-14 0 1/16 2.75 69.9
120-R1-14 1 3/32 2.75 69.9
120-R2-14 2 1/8 2.75 69.9
120-R3-14 3 9/64 2.75 69.9
l Overall Length
Part Number Point Size Nominal Size  Inches MM
120-RO-20 0 1/16 3.5 88.9
120-R1-20 1 3/32 3.5 88.9
120-R2-20 2 1/8 3.5 88.9
120-R3-20 3 9/64 3.5 88.9
Overall Length
Part Number Point Size Nominal Size  Inches MM
120-RO-40 0 1/16 6.0 152.4
120-R1-40 1 3/32 6.0 152.4
120-R2-40 2 1/8 6.0 152.4
120-R3-40 3 9/64 6.0 152.4
120-R3A-40 3 9/64 6.0 152.4

 

 

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P.O. Box 292860

4800 Hempstead Station Drive

Kettering, Ohio 45429

 

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?Amco Products, Inc. 2004-2016

TORX PLUS? and TORX? are registered trademarks of Camcar Textron. TORQ-SET? and ACR? are registered trademarks of Phillips Screw Company.