Drilling Product Catalog

DRILLING | T-A® Replaceable Insert Drilling System

T-A® Drill Holders 7/8 Series: 89.10 mm - 114.48 mm (3.5080" - 4.5070")

Straight Shank Holders

Body

Shank

L 2

L 4

L 3

L 1

L 5

D 2

P 1

Flute

Length

Part No.

A30

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

Short

6.217 8.875 9.125 13.875 5.000 10.217 12.875 13.125 17.875 5.000 21.342 24.000 24.250 29.000 5.000 26.467 29.125 29.375 34.125 5.000 36.467 39.125 39.375 44.125 5.000

3 3 3 3 3

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

Standard Extended

Straight

XL

3XL

Connection Accessories

Admissible Tightening Torque*

Insert Screws 7619-IP25-1

Insert Driver

8IP-25 1750 N-cm (155.0 in-lbs) *Tightening torques are calculated with a friction coefficient of µ = 0.14 and develop 90% of ultimate yield strength. 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 department : appeng@alliedmachine.com. WARNING

A30: 113 - 139 A30: 103 - 105 Key on A30: 2

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

A30: 109

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