Search
 
Spenro Aircraft Tool Supply Shopping Cart
Shopping Cart
0 items
Store Last Updated:


Get free shipping on aviation tools

We ship using:


Accept Credit Cards
SSL Certificate Authority
SSL Certificate Authority

Aircraft Counterbores

Aircraft Counterbores (Spotfacers)  Straight Shank

Very High Quality   Made in USA

Use with drill presses and portable drill motors to cut a flat area or seat, for a bolt head of nut, on a contoured or uneven surface.  Use with Spenro C-4890 series Counterbore pilots

 

 

Quantity Product Options Price
C-4880-1, 1/4" Diameter, 3/32" Pilot Hole, 1/4" Shank $19.95
C-4880-2, 9/32" Diameter, 3/32" Pilot Hole, 1/4" shank $19.95
C-4880-3, 5/16" Diameter, 3/32" Pilot Hole, 1/4" Shank $19.95
C-4880-4, 11/32" Diameter, 3/32" Pilot Hole, 1/4" Shank $19.95
C-4880-5, 3/8" Diameter, 3/32" Pilot Hole, 1/4" Shank $19.95
C-4880-7, 7/16" Diameter, 1/8" Pilot Hole, 1/4" Shank $23.73
C-4880-8, 15/32" Diameter, 1/8" Pilot Hole, 1/4" Shank $23.73
C-4880-9, 1/2" Diameter, 1/8" Pilot Hole, 1/4" Shank $23.95
C-4880-10, 17/32" Diameter, 1/8" Pilot Hole, 1/4" Shank $23.95
C-4880-11, 9/16" Diameter, 1/8" Pilot Hole, 1/4" Shank $24.29
C-4880-12, 19/32" Diameter, 1/8" Pilot Hole, 1/4" Shank $24.29
C-4880-13, 5/8" Diameter, 1/8" Pilot Hole, 1/4" Shank $24.57
C-4880-14, 21/32" Diameter, 3/16" Pilot Hole, 1/4" Shank $28.72
C-4880-15, 11/16" Diameter, 3/16" Pilot Hole, 1/4" Shank $28.95
C-4880-16, 23/32" Diameter, 3/16" Pilot Hole, 1/4" Shank $29.45
C-4880-17, 3/4" Diameter, 3/16" Pilot Hole, 1/4" Shank $29.45
C-4880-18, 25/32" Diameter, 3/16" Pilot Hole, 1/4" Shank $29.45
C-4880-19, 13/16" Diameter, 3/16" Pilot Hole, 1/4" Shank $29.82
C-4880-20, 27/32" Diameter, 3/16" Pilot Hole, 1/4" Shank $29.95
C-4880-21, 7/8" Diameter, 3/16" Pilot Hole, 1/4" Shank $29.95
C-4880-22, 29/32" Diameter, 3/16" Pilot Hole, 1/4" Shank $30.66
C-4880-23, 15/16" Diameter, 3/16" Pilot Hole, 1/4" Shank $30.66
C-4880-24, 31/32" Diameter, 3/16" Pilot Hole, 1/4" Shank $31.08
C-4880-25, 1" Diameter, 3/16" Pilot Hole, 1/4" Shank $31.08
C-4880-26, 1-1/16" Diameter, 3/16" Pilot Hole, 3/8" Shank $35.82
C-4880-27, 1-1/8" Diameter, 3/16" Pilot Hole, 3/8" Shank $36.84
C-4880-29, 1-1/4" Diameter, 3/16" Pilot Hole, 3/8" Shank $37.94
C-4880-32, 1-1/2" Diameter, 3/16" Pilot Hole, 3/8" Shank $41.37