TG-NOM_US-EN

ALLIED MACHINE & ENGINEERING | NOMENCLATURE

BT-A Drill

PRODUCT NOMENCLATURE

BT-A Head BTA

BT-A Tube BTAT -

- 1.1299

- 63

2

804

804

Series

Tube Size

Diameter

Tube Size

Length

0 1 2 3

794 798 802 806 810 795 799 803 807 811

0.7344 = Inch 25.00 = Metric

794 798 802 806 810 795 799 803 807 811

63 = Standard

102 = Long

796 800 804 808 797 801 805 809

796 800 804 808 797 801 805 809

T-A® / GEN2 T-A® Insert 4

5

Y

H -

.386

Insert

Material

Series

CoaƟng

Diameter

Geometry

0 1 2 3

1 = T-A®

3 = HSS

C1 = C1 (K35) carbide C2 = C2 (K20) carbide

P = AM300® H = AM200®

0017 = FracƟonal (in) .515 = Decimal (in)

Blank = Standard

4 = GEN2 T-A®

5 = Super cobalt

-BT = BT-A

8 = Premium cobalt C3 = C3 (K10) carbide

A = TiAlN N = TiCN T = TiN

13 = Metric (mm)

See pg. 11 for a complete list of geometries.

C5 = C5 (P40) carbide

Series Details

DRILL DETAILS

Ø Range

Series

Imperial (in)

Metric (mm) 12.98 - 13.61 13.62 - 14.63 14.64 - 15.62 15.63 - 16.71 16.72 - 17.67 17.53 - 17.70 17.71 - 18.92 18.93 - 20.01 20.02 - 21.82 21.83 - 24.10 24.11 - 24.40 24.41 - 26.41 26.42 - 28.70 28.71 - 31.01 31.02 - 33.32 33.33 - 35.06 34.37 - 36.22 36.23 - 39.62 39.63 - 43.00 43.01 - 47.01 47.02 - 47.82

Tube Size

0.5110 - 0.5359 0.5360 - 0.5759 0.5760 - 0.6149 0.6150 - 0.6579 0.6580 - 0.6959 0.6900 - 0.6969 0.6970 - 0.7449 0.7450 - 0.7879 0.7880 - 0.8589 0.8590 - 0.9489 0.9490 - 0.9609 0.9610 - 1.0399 1.0400 - 1.1299 1.1300 - 1.2209 1.2210 - 1.3119 1.3120 - 1.3809 1.3530 - 1.4259 1.4260 - 1.5599 1.5600 - 1.6929 1.6930 - 1.8509 1.8510 - 1.8829

794 795 796 797 798 798 799 800 801 802 803 803 804 805 806 807 807 808 809 810 811

• Low thrust web geometry reduces Z-axis requirements. • Lip geometry idenƟcal to the Tiny Chip (-TC) for improved chip formaƟon. • Polished cuƫng surface eliminates material buildup.

0

T-A Insert: BT-A Geometry (-BT)

1

BT-A Single Tube System

2

3

Internal Chip EvacuaƟon

Tube Thread ConnecƟon

Carbide Bearing Area

T-A® Insert

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