This microstop reaches into very confined areas. Extended reach is great for getting down into narrow channels such as seat tracks. Uses 1/4-28 threaded cutters up to 5/8" diameter. Shaft travel is 9/32". Rated at 3000 RPM.

Great package deal featuring our 133 Microstop Countersink plus 4 pilot cutters (1000-100 series) in sizes #40, #30, #21, and #12 all packaged in a custom foam lined case.

Microstop Countersink, 1/4" Shank, 1/4x28 Female Thread. Fits any air or electric drill. Accepts rivet shaver bit or pilot cutter up to 1/2" diameter. Overall length: 2".