Product image 1
Product image 2
Product image 3
HomeStore

SD-3 Flat Bottom Counterbore

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 $15.99
SD-3 Flat Bottom Counterbore
$15.99

Product Information

Shipping & Returns

Description

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)


SD-3 Flat Bottom Counterbore | Woodcraft