Drilling Product Catalog

DRILLING | High Performance and Universal Replaceable Insert Drilling System

Regrind Charts Universal Inserts

A40

Flat Bottom Spade Drill Inserts

Insert Thickness Size Range

Series

A

B

C

D

E

F

G

H

A B C D

3/16 31/32 - 1-3/8 0.150 9/32 1-1/4 - 1-3/4 0.200 5/16 1-1/2 - 2-3/8 0.200

0.250 0.250 0.250 0.375 0.375 0.500 0.500 0.500

0.325 0.350 0.350 0.525 0.525 0.650 0.700 0.750

0.065 1/64 - 1/32 0.075 0.070 1/64 - 1/32 0.075 0.080 1/32 - 3/64 0.075 0.100 1/32 - 3/64 0.129 0.100 1/32 - 1/16 0.129 0.125 1/32 - 1/16 0.156 0.140 1/32 - 1/16 0.156 0.165 1/32 - 1/16 0.156

7/16

1/8 1/8 1/8

1/2 5/8 7/8

3/8

2 - 2-7/8

0.300

3/16 3/16

E F

7/16 2-1/2 - 3-3/8 0.300

1-1/8 1-1/4 1-1/2 1-1/2

1/2 5/8

3 - 3-7/8

0.300

1/4 1/4 1/4

G

3-1/2 - 4-1/2 0.400

H 1 - H 2

11/16

4 - 5

0.500

NOTE: Grind cutting edge 0.005" above center line at the center of the new tool. NOTE: Maintain flatness and height across the cutting edges of the tool within 0.001" T.I.R.

www.alliedmachine.com | 1.330.343.4283

A40: 30