SD-3 Flat Bottom Counterbore

Use Snappy® SD-3 Flat Bottom Counterbores to drill a pilot/clearance hole and counterbore a flat bottomed hole in one step. The unique geometry of the cutters provide excellent chip clearance and cutting performance, even in hardwoods. Perfect for #10 Pan Head screws.

Features:

Use to drill a pilot/clearance hole and counterbore a flat bottomed hole in one step
Perfect for #10 Pan Head screws, lag screws, lag bolts, washer head screws and more
3-flute flat bottom counterbore with TiN coated twist drill
Made of thru-hardened alloy steel for long cutting life

Specifications:

Drive Shank: 1/4″ Hex Power Bit Shank
Drill Size: 3/16″
Counterbore Size: 1/2″
Finish: Titanium Nitride
Material: Alloy Steel

What's Included:

(1) Snappy Flat Bottom Counterbore - SD-3 - 3/16" x 1/2"

Product Notes:

Works with the Snappy RotoStop™ Rotating Stop Collar For Countersink Drill Bits (#161436, sold separately)

Select Size

From $5.60

Original: $15.99

SD-3 Flat Bottom Counterbore—

$15.99

$5.60