image of 7" extension bit. This image shows a metallic gray drill bit with a two-part design. The top section is a narrower, spiraled drill bit with a copper-colored tip, while the bottom section is a thicker, smooth cylindrical shank with an elongated slot and a flat side.
image of 7" extension bit. This image shows a metallic gray drill bit with a two-part design. The top section is a narrower, spiraled drill bit with a copper-colored tip, while the bottom section is a thicker, smooth cylindrical shank with an elongated slot and a flat side.
Image of 13" extension bit. This image displays a long, metallic gray drill bit with a two-part construction. The upper section is a narrower drill bit with a copper-colored tip and prominent spiral flutes, while the lower section is a much longer, smooth, cylindrical shaft that narrows slightly towards the very end.
Image of 17" extension bit. This image shows a long, slender drill bit, primarily metallic gray in color. The top portion is a narrower drill bit with a visible copper-colored tip and spiral flutes, while the bottom portion is a longer, smooth cylindrical shaft that ends in a four-grooved shank.
Bosch

Bosch SDS-plus SpeedCore Thin-Wall Core Bit Extensions

In stock
SKU: T3925SC
$14.10
Length (Inches)
Description

Bosch SDS-plus SpeedCore Thin-Wall Core Bit Extensions

  • SPEEDCORE Thin-Wall Core Bit is ideal for cutting holes, for example, when installing switch boxes
  • Works with Bosch SPEEDCORE SDS-plus® Core Bits

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