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")

Taper Shank Holders

Body

Shank

L 2

L 4

L 3

L 1

MT*

P 2

Flute

Length

RCA

Part No.

A30

22070S-005M 25070S-005M 27070S-005M 29070S-005M

Short

177.2 225.4 296.8 439.7 #5 MT ISO 1/2 BSPT 2T-6SRM 561.3 609.6 681.0 823.9 #5 MT ISO 1/2 BSPT 2T-6SRM 691.5 739.8 811.2 954.1 #5 MT ISO 1/2 BSPT 2T-6SRM 945.5 993.8 1065.2 1208.1 #5 MT ISO 1/2 BSPT 2T-6SRM

Extended

XL

Straight

3XL

24070H-005M

Standard

290.5 327.0 398.4 541.3 #5 MT ISO 1/2 BSPT 2T-6SRM

Helical

22070S-005I 24070S-005I 25070S-005I 27070S-005I 29070S-005I

Short

6.979 8.875 11.687 17.312 #5 MT 10.979 12.875 15.687 21.312 #5 MT 22.104 24.000 26.812 32.437 #5 MT 27.229 29.125 31.937 37.562 #5 MT 37.229 39.125 41.937 47.562 #5 MT

1/2 NPT 2T-6SR 1/2 NPT 2T-6SR 1/2 NPT 2T-6SR 1/2 NPT 2T-6SR 1/2 NPT 2T-6SR

Standard Extended

Straight

XL

3XL

*MT ISO 296 type BEK.

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

A30: 108 & 111

Key on A30: 2

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

www.alliedmachine.com | 1.330.343.4283

A30: 108