AMPC_US-EN

DRILLING | T-A® Replaceable Insert Drilling System

Y

T-A® Drill Insert Holders Y Series | Flange Shank | Diameter Range: 0.374" - 0.436" (9.50 mm - 11.07 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.

240Y0H-075F 245Y0H-075F 250Y0H-075F 240Y0H-20FM 245Y0H-20FM 250Y0H-20FM

Standard

2.860 3.872 4.860

3.531 4.543 5.531

3.621 4.633 5.621

5.561 6.573 7.561 139.7 165.4 190.5

3/4 3/4 3/4

2.030 2.030 2.030

1/8 NPT 1/8 NPT 1/8 NPT 1/8 BSPT 1/8 BSPT 1/8 BSPT

Standard Plus

Extended

Standard

72.6 98.3

89.7

92.0

20 20 20

50.0 50.0 50.0

Standard Plus

115.4 140.5

117.7 142.8

C

Extended

123.4

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

724-IP7-1

724N-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: 12 - 17

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: 19