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".
3/8" Diameter 100 degree, 3 flute, countersink cutter with integral #40 Pilot. Fits all 1/4x28 Threaded adapters. Made of hardened high speed steel (HSS).
Our heavy duty microstop uses ball bearings for ultra-smooth operation. The ball bearing design also makes it run much cooler than a standard microstop. Depth adjustable in 0.001" increments with positive locking collar. Shaft travel is 9/32".
#30 Pilot, 1/2" Diameter. 1/4x28 Thread. 3 flute, 100 degrees. Integral (fixed) pilot for cutting accuracy. High Speed Steel. Suitable for 1/8" riveting.
#40 Pilot, 1/2" Diameter. 1/4x28 Thread. 3 flute, 100 degrees. Integral (fixed) pilot for cutting accuracy. High Speed Steel. Suitable for 3/32" riveting.
Packs all the features of a standard microstop in a slim design that's only 11/16" in diameter. It's ideal for those narrow areas that can't be reached with a standard microstop.
#40 Diameter, 1/4-28 thread. Two fluted 100 degree cutter with a 1/2" body diameter. These cutters excel in cutting highly abrasive material such as Kevlar, and other "difficult to machine" materials.
Kit features our slim style microstop that is just 1/2" in diameter plus an assortment of the most commonly used pilot cutters. Ideal for cutting countersinks in confined quarters. Includes precision laser-cut storage case.
The Sioux Rivet Shaver is designed to keep the skirt face is parallel to the rivet shaver bit or piloted cutter (for countersink cutting), and in turn, parallel to the working surface. This avoids the possibility of accidentally cutting into the skin.
#21 Diameter, 1/4-28 thread. Two fluted 100 degree cutter with a 1/2" body diameter. These cutters excel in cutting highly abrasive material such as Kevlar, and other "difficult to machine" materials.