A30-TAS_EU-EN

7/8

DRILLING | T-A® Replaceable Insert Drilling System

T-A Drill Insert Holders 7 Series | Flange Shank | Diameter Range: 89.10 mm - 101.60 mm (3.508" - 4.507") L 1

A

L 7

L 4

DRILLING

D 2

P 1

L 2

L 3

Straight Flute

B

Body

Shank

L 2

L 4

L 3

L 1

D 2 50 50

L 7

P 1

Length

Part No.

BORING

22070S-50FM 25070S-50FM 22070S-200F 25070S-200F

Short

178.9 558.4

225.4 606.9

231.8 613.3

305.4 686.9

80.0 80.0

1/2 BSPT 1/2 BSPT 1/2 NPT 1/2 NPT

Extended

Short

6.042

8.875

9.125

13.375 28.394

2 2

4.500 4.500

Extended

21.986

23.894

24.144

L 1

C

L 7

L 4

REAMING

D 2

P 1

L 2

L 3

Helical Flute

D

Body

Shank

L 2

L 4

L 3

L 1

D 2 50

L 7

P 1

Length

Part No.

BURNISHING

24070H-50FM

Standard

283.5

327.0

333.4

407.0

80.0

1/2 BSPT

Standard

11.161

12.875

13.125

17.375

2

4.500

1/2 NPT

24070H-200F

ConnecƟon Accessories

E

Admissible Tightening Torque*

Insert Screws 7619-IP25-1

Nylon Locking Screws

Insert Driver

Replacement Tips

THREADING

Preset Torque Hand Driver

-

8IP-25

-

-

1750 N-cm (155.0 in-lbs)

*Tightening torques are calculated with a fricƟon coefficient of µ = 0.14 and develop 90% of ulƟmate yield strength.

A30: 102 - 105 Key on A30: 1

X

= Metric (mm) = Imperial (in) Screws sold in quanƟƟes of 10.

SPECIALS

Refer to Speed and Feed charts for recommended adjustments to speeds and feeds. Refer to page A30: 146 for deep hole drilling guidelines in this secƟon of the catalogue. Visit www.alliedmachine.com/DeepHoleGuidelines for the most up-to-date informaƟon and procedures. Factory technical assistance is available for your specific applicaƟons through our ApplicaƟon Engineering Team. WARNING

A30: 106

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