A91-SSD_US-EN

DRILLING | Structural Steel Replaceable Insert Drilling System

1

GEN2 T-A® Structural Steel Drill Inserts 1 Series | Diameter Range: 0.7087" - 0.9449" (18.00 mm - 24.00 mm)

A

T 1

D 1

DRILLING

132°

B

HSS Inserts - Super Cobalt | Carbide Inserts - C1 (K35)

Insert

Part No.

BORING

Fractional Equivalent

Series

D 1 inch 0.7087 0.8125 0.8268 0.8661 0.8750 0.9375 0.9449

D 1 mm

Super Cobalt

C1 (K35)

T 1

451H-18-HE

4C11P-18-HE 4C11P-0026-HE 4C11P-21-HE 4C11P-22-HE 4C11P-0028-HE 4C11P-0030-HE 4C11P-24-HE

-

18.00 20.64 21.00 22.00 22.23 23.81 24.00

5/32 5/32 5/32 5/32 5/32 5/32 5/32

451H-0026-HE

13/16

1

451H-21-HE 451H-22-HE

- -

C

451H-0028-HE 451H-0030-HE

7/8

1.5

15/16

451H-24-HE

-

REAMING

D

BURNISHING

E

THREADING

X

A91: 40 - 41

A91: 20

A91: 28 - 29

SPECIALS

Key on A91: 1

Inserts sold in multiples of 2

www.alliedmachine.com | 1.330.343.4283

A91: 27