Original T-A is an excellent choice for general purpose use. The design provides fast penetration rates that produce good hole size and finish. Standard geometry combines highly efficient and stable cutting action to minimize power consumption. Recommended for use in most steels, cast irons, high temperature alloys and aluminum alloys.
Original T-A: Rotate
Original T-A: Drill Original T-A: Drill Original T-A: Drill Original T-A Drill: Explosion Original T-A Drill: Close 

Advantages

  • Optimizes chip evacuation
  • Effective heat dispersion
  • Multiple geometry options
  • Accurate positioning
  • Eliminates center drilling
  • Increases point strength

 

Features

  • Through coolant
  • Corner clips
  • Self-centering point
  • Web Thin geometry

 

Recommended Materials

P - steel Steel
P - steel High Tem Alloy
M - Stainless Steel Sainless Steel
H - Hardened Steel Hardened Steel
K - cast iron Cast Iron
N - Non-ferrous Materials Non-ferrous Materials

 

Recommended Industries

Aerospace Aerospace
Agriculture Agriculture
Automotive Automotive
Renewable Energy Renewable Energy/ Energy
Firearms Firearms
General Production General Production
Oil Gas Oil and Gas
Marine Marine
Medical Medical

 

Product Specifications

Pruduct Type Replaceable Drill Insert
Diameter Range 0.374" - 4.5" (9.5mm - 114.3mm)
Depth of Cut 1xD up to 28xD
Substrate Options HSS, Super Cobalt, Premium Cobalt, C2(K20), C3(K10), C5(P40)
Coating TiN, TiAlN, TiCN
Holder Original T-A® Holders
Flute Options Straight or Helical
Shank Options Flange, Straight, Morse Taper, ER Collet
Coolant Coolant Through

 

Product Nomenclature

Original T-A® Inserts

1
1
8
2
2
3
T
4
-
0031
5
-
TC
6
Original T-A Insert
 
1. Insert

1 = Original T-A

2. Material

3 = HSS

5 = Super cobalt

8 = Premium cobalt

C1 = C1 (K35) carbide

C2 = C2 (K20) carbide

C3 = C3 (K10) carbide

C5 = C5 (P40) carbide

3. Series

Y = Y series

Z = Z series

0 = 0 series

1 = 1 series

2 = 2 series

3 = 3 series

4 = 4 series

5 = 5 series

6 = 6 series

7 = 7 series

8 = 8 series

 

4. Coating

H = AM200®

A = TiAlN

N = TiCN

T = TiN

5. Diameter

0017 = Inch

.515 = Decimal

13 = Metric

 
6. Geometry

Blank = Standard

AN = Aluminum

BR = Brass

BT = BT-A Specific

CI = Cast Iron

CN = Cast Iron with Notch Point®

CP = Cam Point

CR = Corner Radius

FB = Flat Bottom

HI = High Impact

HR = High Rake

 

IN = High Impact with Notch Point®

NC = Standard without Chipbreakers

NP = Notch Point®

RN = High Rake with Notch Point®

SK = Special Corner Prep

SP = 90˚ Spot and Chamfer

SS = 150˚ Structural Steel

TC = Tiny Chip

TW = Thin Wall

Reference Key
SymbolAtribute

D1

Insert diameter

T1

Insert thickness

Original T-A Insert diameter
 

 

Original T-A Holders - (also used with Gen2 T-A)

2
1
30
2
20
3
S
4
-
004
5
I
6
GEN2 T-A Holders
 
1. Holder

2 = T-A holder

2. Length

10 = Stub

20 = Short

30 = Intermediate

40 = Standard

45 = Standard Plus

50 = Extended

60 = Long

65 = Long Plus

70 = XL

90 = 3XL

3. Series

Y0 = Y0 series

Z0 = Z0 series

00 = 00 series

05 = 0.5 series

10 = 1 series

15 = 1.5 series

20 = 2 series

25 = 2.5 series

30 = 3 series

40 = 4 series

50 = 5 series

70 = 7 series

4. Flute

S = Straight

H = Helical

 
5. Shank Designator

Morse Taper

002 = 2MT

003 = 3MT

004 = 4MT

005 = 5MT

 

 

 

 

Imperial (inch)

063 = 5/8"

075 = 3/4"

100 = 1"

125 = 1-1/4"

150 = 1-1/2"

175 = 1-3/4"

200 = 2"

300 = 3"

Metric (mm)

16 = 16mm

20 = 20mm

25 = 25mm

32 = 32mm

40 = 40mm

50 = 50mm

 

 

6. Shank Style

I = Imperial Morse taper

M = Metric Morse taper

L = Lathe Shank

F = Flanged shank

FM = Flanged metric shank

 

 
Reference Key
SymbolAtribute

D1

D2

L1

L2

L3

L4

L7

P1

RCA

MT

ER

Drill insert range

Shank diameter

Overall length

Drill depth

Holder reference length

Holder length

Shank length

Rear pipe tap

Corresponding RCA item number

Morse taper size

ER collet size

GEN2 T-A Holder dimensions

 

 

Recommended Cutting Data

Deep Hole Drilling Guidelines

Original T-A® Carbide

SF Metric Cutting Data

SF Imperial Cutting Data

Metric

Imperial

 

Original T-A® Flat Bottom Carbide

SF Metric Cutting Data

SF Imperial Cutting Data

Metric

Imperial

 

Original T-A® HSS

SF Metric Cutting Data

SF Imperial Cutting Data

Metric

Imperial

 

Original T-A® Flat Bottom HSS

SF Metric Cutting Data

SF Imperial Cutting Data

Metric

Imperial