AMPC_US-EN

DRILLING | High Performance and Universal Replaceable Insert Drilling System

Regrind Charts Universal Inserts

A

DRILLING

B

BORING

C

REAMING

Universal (130°) Spade Drill Inserts

Insert Thickness

Series

Size Range 1 - 1-/3/8

A

B

C

D

E

F

G

AA

1/4

0.125 0.125 0.150 0.200 0.250 0.300 0.350 0.350 0.400 0.500 0.500

0.156 0.156 0.250 0.250 0.375 0.437 0.437 0.500 0.500 0.500 0.500

0.218 0.218 0.325 0.350 0.500 0.587 0.612 0.675 0.700 0.750 0.750

0.065 0.065 0.070 0.080 0.100 0.100 0.125 0.140 0.165 0.185 0.185

0.070 0.065 0.090 0.100 0.120 0.140 0.170 0.200 0.225 0.250 0.250

1/4 1/4

3° 3° 3° 3° 3° 3° 3° 3° 3° 3° 2°

A B C D

3/16 9/32 5/16

31/32 - 1-3/8 1-1/4 - 1-3/4 1-1/2 - 2-3/8

D

5/16 5/16

3/8

2 - 2-7/8

3/8 3/8 3/8 3/8 1/2 1/2 1/2

BURNISHING

E F

7/16

2-1/2 - 3-3/8

1/2 5/8

3 - 3-7/8

G

3-1/2 - 4-1/2

H 1 - H 2

11/16 11/16 11/16

4 - 5

H 3

5-1/8 - 5-1/2 5-5/8 - 8-1/2

H 4 - H 9

NOTE: Maintain cutting edges of the tool within 0.001" T.I.R.

E

THREADING

X

SPECIALS

High Performance Regrinds : High Performance inserts should be reground and coated by Allied Machine before returning them to production. The real economy of High Performance spade inserts is their improved production rates (100% and 500%) and increased tool life (3 to 20 times). Factory regrinding and coating provides like-new tool performance. Our factory service reduces your total cost per hole.

A40: 28

www.alliedmachine.com | 1.330.343.4283