AMPC_US-EN
DRILLING | T-A® Replaceable Insert Drilling System
Z
T-A® Drill Insert Holders Z Series | Flange Shank | Diameter Range: 0.437" - 0.510" (11.10 mm - 12.95 mm)
A
L 1
DRILLING
L 7
L 4
D 2
L 2
P 1
B
L 3
Helical Flute
Body
Shank
BORING
L 2
L 4
L 3
L 1
D 2
L 7
P 1
Length
Part No.
240Z0H-075F 245Z0H-075F 250Z0H-075F 260Z0H-075F 240Z0H-20FM 245Z0H-20FM 250Z0H-20FM 260Z0H-20FM
Standard
2.874 3.886 4.874 7.586
3.531 4.543 5.531 8.244
3.621 4.633 5.621 8.334
5.561 6.573 7.561
3/4 3/4 3/4 3/4
2.030 2.030 2.030 2.030
1/8 NPT 1/8 NPT 1/8 NPT 1/8 NPT 1/8 BSPT 1/8 BSPT 1/8 BSPT 1/8 BSPT
Standard Plus
Extended
Long
10.274
Standard
73.0 98.7
89.7
92.0
139.7 165.4 190.5 259.4
20 20 20 20
50.0 50.0 50.0 50.0
C
Standard Plus
115.4 140.5 209.4
117.7 142.8 211.7
Extended
123.8 192.7
Long
REAMING
D
BURNISHING
E
THREADING
ConnecƟon Accessories
Admissible Tightening Torque* 7.4 in-lbs (84 N-cm)
Insert Screws
Nylon Locking Screws
Insert Driver
Replacement Tips
Preset Torque Hand Driver
7247-IP7-1
7247N-IP7-1
8IP-7
8IP-7TL
8IP-7B
*Tightening torques are calculated with a fricƟon coefficient of µ = 0.14 and develop 90% of ulƟmate yield strength.
A30: 22 - 27
X
Key on A30: 1
= Imperial (in) = Metric (mm) 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 catalog. 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
www.alliedmachine.com | 1.330.343.4283
A30: 29
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