Compatible Models

The Bosch SF2121 2-1/8 In. Self-Feed Drill Bit is the correct replacement for the following model numbers.

Description

Bosch self-feed drill bits are designed for the professional plumber and electrician who needs to make large, rough holes in wood. Bosch offers a complete line of wood boring bits for heavy-duty and fine woodworking applications. Replaceable blades (extra blade included) are optimal for professionals seeking to eliminate downtime and increase productivity.

Benefits
7/16 In. hex shank for reduced slippage (3 In. and larger three-flat shank)
Replaceable threaded tip and hex key included
Chip lifters and spurs can be re-sharpened to maximize bit life
Deep cutter gullets prevent stalling and provide smoother drilling

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