Robertson Drive Bits

These genuine Robertson screw drive bits are manufactured with accurate tool-steel square-recess drive tips for a precise fit, and durable powder-coat carbon-steel shanks. The shock-resistant steel tip insert seats firmly in the drive and will not cam out.

Each bit is identified by a powder-coated color particular to the Robertson drive size – a standard reference. All have 1/4" hex shanks.

• The yellow #0 drive bit is 1” long and is for screw sizes #3 and #4.
• The green #1 drive bits are 1”, 2” or 4” long and fit screw sizes #5, #6 and #7.
• The red #2 drive bits are 1”, 2”, 4” or 6” long and fit screw sizes #8, #9 and #10.
• The black #3 driver bits are 1”, 2”, 4” or 6” long and fit screw sizes #12 and #14.

The 12-piece set includes bits for screw sizes #2 to #14: six of the most popular #2 (red) bits in 1", 2" and 3" lengths; one #0 (yellow) 1" long bit; three #1 (green) bits in 1", 2" and 3" lengths; and two #3 (black) bits in 2" and 3" lengths. Save 30% compared to the individual prices.