A30-TAS_US-EN

T-A® Drill Insert Holders 7 Series | Straight Shank | Diameter Range: 3.508" - 4.507" (89.10 mm - 101.60 mm) 7/8 A DRILLING | T-A® Replaceable Insert Drilling System

L 1

DRILLING

L 7

L 4

D 2

P 1

L 2

B

L 3

Straight Flute

Body

Shank

BORING

Length

Part No.

L 2

L 4

L 3

L 1

D 2

L 7

P 1

22070S-300L 24070S-300L 25070S-300L 27070S-300L 29070S-300L

Short

6-3/4

8-7/8

9-1/8

13-7/8 17-7/8

3 3 3 3 3

5 5 5 5 5

1/2 1/2 1/2 1/2 1/2

Standard Extended

10-3/4 21-7/8

12-7/8

13-1/8 24-1/4 29-3/8 39-3/8

24

29

XL

27 37

29-1/8 39-1/8

34-1/8 44-1/8

3XL

C

REAMING

D

BURNISHING

E

THREADING

Connection Accessories

Admissible Tightening Torque*

Insert Screws 7619-IP25-1

Nylon Locking Screws

Insert Driver

Replacement Tips

Preset Torque Hand Driver

-

8IP-25

-

-

155.0 in-lbs (1750 N-cm)

*Tightening torques are calculated with a friction coefficient of µ = 0.14 and develop 90% of ultimate yield strength

A30: 102 - 105 Key on A30: 1

X

= Imperial (in) = Metric (mm) Screws sold in quantities 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 section of the catalog. Visit www.alliedmachine.com/DeepHoleGuidelines for the most up-to-date information and procedures. Factory technical assistance is available for your specific applications through our Application Engineering Team. WARNING

A30: 108

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