A91-SSD_EU-EN

DRILLING | Structural Steel SoluƟons | T-A® and GEN2 T-A® Replaceable Insert Drills

T-A® and GEN2 T-A® Drill Nomenclature

T-A and GEN2 T-A Drill Inserts

A

4

5

3

H - 39 - HE

DRILLING

1

2

3

4

5

6

1. Insert

2. Material

3. Series

4. CoaƟng

5. Diameter

6. Geometry

1 = T-A

5 = Super cobalt

0 = 0 series 1 = 1 series 2 = 2 series 3 = 3 series

P = AM300® H = AM200®

13 = Metric

TW = Thin Wall

4 = GEN2 T-A

C1 = K35 (C1) carbide

0.515 = Decimal

NP = Notch Point® SS = Structural Steel HE = High Efficiency

A = TiAlN

0017 = Inch

B

BORING

T 1

D 1

Reference Key Symbol

AƩribute

132°

D 1 T 1

Insert diameter Insert thickness

C

REAMING

T-A Drill Holders

2

40

20

S - 004 IS

060

1

2

3

4

5

6

7

1. Holder

2. Length

3. Series

4. Flute

D

2 = T-A holder

20 = Short

00 = 0 series 05 = 0.5 series 10 = 1 series 15 = 1.5 series

20 = 2 series 25 = 2.5 series 30 = 3 series

S = Straight H = Helical

40 = Standard 50 = Extended

BURNISHING

60 = Long

5. Shank Designator

6. Shank Code

7. Minimum Insert Diameter

003 = 3MT 004 = 4MT

In increments of 0.40 mm

IS = Imperial Morse taper structural steel

E

Reference Key Symbol AƩribute

THREADING

L 1

Symbol AƩribute

L 4

D 1

L 4 P 1 P 2

Drill insert range Overall length

Flute length Rear pipe tap Side pipe tap

P 2

L 1 L 2

D 1

Drill depth

L 3*

MT

Holder reference length

Morse taper size

L 2

MT

P 1

L 3 *

* L 3 is 1.60 mm (0.063") shorter if using a structural steel holder with Notch Point®, GEN2 T-A®, or 150° structural steel T-A® drill insert geometry.

X

SPECIALS

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