A91-SSD_ESM

DRILLING | Structural Steel Solutions | T-A® and GEN2 T-A® Replaceable Insert Drills

1

T-A® Structural Steel Drill Insert Holders 1 Series | Taper Shank

A

L 1

DRILLING

L 4

P 2

D 1

L 2

P 1

MT

L 3 *

B

Helical Flute #3 Morse Taper

Body

Shank

BORING

D 1

L 2

L 4

L 3 *

L 1

MT

P 1

P 2

Series

Length

Part No.

24010H-003IS045 24010H-003IS052 25010H-003IS045 25010H-003IS052 24015H-003IS056 24015H-003IS060 25015H-003IS060 24010H-003IS045 24010H-003IS052 25010H-003IS045 25010H-003IS052 24015H-003IS056 24015H-003IS060

Standard 0.7031 Standard 0.8125 Extended 0.7031 Extended 0.8125 Standard 0.8750 Standard 0.9375 Extended 0.9375

5.423 5.423 7.108 7.108 5.519 5.529 7.136

5.954 5.954 9.423 9.423 5.954 5.954 9.423

6.078 6.078 9.547 9.547 6.078 6.078 9.547

9.829 9.829

#3 #3 #3 #3 #3 #3 #3 #3 #3 #3 #3 #3 #3 #3

TTC TTC TTC TTC TTC TTC TTC TTC TTC TTC TTC TTC TTC TTC

TSC TSC TSC TSC TSC TSC TSC TSC TSC TSC TSC TSC TSC TSC

1

13.298 13.298

9.829 9.829

1.5

C

13.298

Standard Standard

17.86 20.64

137.74 137.74 180.54 180.54 140.18 140.44 181.25

151.23 151.23 239.34 239.34 151.23 151.23 239.34

154.38 154.38 242.49 242.49 154.38 154.38 242.49

249.66 249.66 337.77 337.77 249.66 249.66 337.77

REAMING

1

Extended 17.86 Extended 20.64

Standard Standard

22.23 23.81

1.5

Extended 23.81 25015H-003IS060 * L 3 is 0.063" (1.60 mm) shorter if using a structural steel holder with Notch Point®, GEN2 T-A®, or 150° structural steel T-A® drill insert geometry.

D

Helical Flute #4 Morse Taper

Body

Shank

BURNISHING

D 1

L 2

L 4

L 3 *

L 1

MT

P 1

P 2

Series

Length

Part No.

24010H-004IS045 24010H-004IS052 25010H-004IS052 26010H-004IS052 24015H-004IS056 24015H-004IS060 25015H-004IS060 26015H-004IS060 24010H-004IS045 24010H-004IS052 25010H-004IS052 26010H-004IS052 24015H-004IS056 24015H-004IS060 25015H-004IS060

Standard 0.7031 Standard 0.8125 Extended 0.8125 Standard 0.8750 Standard 0.9375 Extended 0.9375 Long 0.8125

5.298 5.298 6.688 6.563 5.371 5.411 6.816 6.816

5.954 5.954 9.360 5.954 5.954 9.360 15.857 15.889 151.23 151.23 237.74 402.77 151.23 151.23 237.74 403.58

6.078 6.078 9.484 6.078 6.078 9.484 15.981 16.013 154.38 154.38 240.89 405.92 154.38 154.38 240.89 406.73

10.829 10.829 14.235 20.732 10.829 10.829 14.235 20.764 275.06 275.06 361.57 526.59 275.06 275.06 361.57 527.41

#4 #4 #4 #4 #4 #4 #4 #4 #4 #4 #4 #4 #4 #4 #4 #4

TTC TTC TTC TTC TTC TTC TTC TTC TTC TTC TTC TTC TTC TTC TTC TTC

TSC TSC TSC TSC TSC TSC TSC TSC TSC TSC TSC TSC TSC TSC TSC TSC

1

1.5

E

Long

0.9375

Standard Standard

17.86 20.64

134.57 134.57 169.88 136.42 137.44 173.13 173.13 166.7

THREADING

1

Extended 20.64

Long

20.64 22.23 23.81

Standard Standard

1.5

Extended 23.81

Long 26015H-004IS060 * L 3 is 0.063" (1.60 mm) shorter if using a structural steel holder with Notch Point®, GEN2 T-A®, or 150° structural steel T-A® drill insert geometry. 23.81

A91: 5

A91: 10 - 11

X

Key on A91: 1

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

SPECIALS

Refer to Speed and Feed charts for recommended adjustments to speeds and feeds. Refer to page A91: 21 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. ext: 7611 | email: appeng@alliedmachine.com WARNING

www.alliedmachine.com | 1.330.343.4283

A91: 13