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Hudson, MA 01749
Tel: (978)567-8867
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Countersinks with Pilot Drills Reduce Chattering

Solid Carbide Countersink with Pilot for Countersinking, Chamfering and Deburring.


Countersinks with Pilot Drills
2 Flutes

Standard & Custom Countersinks
Reduce Chatter While Countersinking, Chamfering & Deburring
Included Angle
82°

Countersink with Pilot to Reduce Chattering

  • Countersink Tools with Pilots are designed for countersinking, chamfering or deburring.
  • Each size may be used on a wide range of hole diameters. 
  • Countersinks with integrated pilot drills reduce chattering by allowing the pilot to closely fit into a predrilled hole.
  • Countersink Tools can be used in a rigid tool holder such as a collet or end mill holder, or with the 2L CNC Countersink Depth Stop Tool.
  • The solid carbide shanks ensure maximum rigidity to reduce chatter.
  • Custom pilot sizes, number of flutes, or different included angles are available on any Countersink with short lead times.
  • Produced from a Premium, Ultra-Fine, Nano Grade Solid Carbide for maximum tool strength and durability.
  • Designed and manufactured in house with many tool sizes in stock.
  • 2L also produces Single Flute Countersinks. See Single Flute Countersink Tool Bits.

Order Below or Call Us: (978)567-8867.

If you do not see see the size you are looking for:
- Contact us or submit a custom tool drawing (download pdf).
- Custom tools have a quick turn-around.

Countersinks with Pilot Drills - 2 Flutes

Countersinks with Pilots Reduce Chatter When Countersinking

Countersinks with Pilot Drills - 2 Flutes
Screw Sizes - Clearance Holes
Tool
Diameter
Overall Length Included
Angle
Pilot Drill Diameter ORDER
.375"
(3/8")
3.0" 82° 0.116"

#4 Screw or #32 Drill

Part No.: CSP-375x3.0-82-.116

Quantity: 

Price:  $42.85 each
.375"
(3/8")
3.0" 82° 0.140"

#6 Screw or #28 Drill

Part No.: CSP-375x3.0-82-.140

Quantity: 

Price:  $42.85 each
.375"
(3/8")
3.0" 82° 0.166"

#8 Screw or #19 Drill

Part No.: CSP-375x3.0-82-.166

Quantity: 

Price:  $42.85 each
.500"
(1/2")
3.0" 82° 0.193

#10 Screw or #10 Drill

Part No.: CSP-500x3.0-82-.193

Quantity: 

Price:  $48.75 each
.562"
(9/16")
3.0" 82° 0.257"

1/4" Screw or F Drill

Part No.: CSP-562x3.0-82-.257

Quantity: 

Price:  $53.85 each

 

Countersinks with Pilot Drills - 2 Flutes
Screw Sizes - Drill Holes
Tool
Diameter
Overall Length Included
Angle
Pilot Drill Diameter ORDER
.375"
(3/8")
3.0" 82° 0.089"

#4 Screw or #43 Drill

Part No.: CSP-375x3.0-82-.089

Quantity: 

Price:  $42.85 each
.375"
(3/8")
3.0" 82° 0.106"

#6 Screw or #36 Drill

Part No.: CSP-375x3.0-82-.106

Quantity: 

Price:  $42.85 each
.375"
(3/8")
3.0" 82° 0.136"

#8 Screw or #29 Drill

Part No.: CSP-375x3.0-82-.136

Quantity: 

Price:  $42.85 each
.500"
(1/2")
3.0" 82° 0.149"

#10 Screw or #25 Drill

Part No.: CSP-500x3.0-82-.149

Quantity: 

Price:  $48.75 each
.562"
(9/16")
3.0" 82° 0.201"

1/4" Screw or #7 Drill

Part No.: CSP-562x3.0-82-.201

Quantity: 

Price:  $53.85 each

 

See all Countersink Tools, Chamfering Tools, Spotting Drills, and Broken Tap Tools

 

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