Structural Steel Drilling Product Catalog

05 Series: 15.88 mm - 18.00 mm (0.625" - 0.709") Holders NOTE: For full diameter range offerings, see the 4TEX section of our drilling catalog. DRILLING | Structural Steel Solutions | 4TEX® Indexable Drill

A91

Metric Shank

D 1

Body

Shank

Max Offset

L 2

L 3

L 1

D 2

D 4

Length

mm in 15.88 0.625 16.00 0.630 17.00 0.669 17.46 0.687 18.00 0.709 15.88 0.625 16.00 0.630 17.00 0.669 17.46 0.687 18.00 0.709 15.88 0.625 16.00 0.630 17.00 0.669 17.46 0.687 18.00 0.709

Part No.

D2050625I-25FM D2051600M-25FM D2051700M-25FM D2050687I-25FM D2051800M-25FM D3050625I-25FM D3051600M-25FM D3051700M-25FM D3050687I-25FM D3051800M-25FM D4050625I-25FM D4051600M-25FM D4051700M-25FM D4050687I-25FM D4051800M-25FM

31.75 32.00 34.00 34.90 36.00 47.63 48.00 51.00 52.35 54.00 63.50 64.00 68.00 69.80 72.00

54.50 108.50 25.00 32.00 55.50 109.50 25.00 32.00 57.50 111.50 25.00 32.00 57.50 111.50 25.00 32.00 59.50 113.50 25.00 32.00 70.00 124.00 25.00 32.00 71.50 125.50 25.00 32.00 74.50 128.50 25.00 32.00 74.50 128.50 25.00 32.00 77.50 131.50 25.00 32.00 85.50 139.50 25.00 32.00 87.50 141.50 25.00 32.00 91.50 145.50 25.00 32.00 91.50 145.50 25.00 32.00 95.50 149.50 25.00 32.00

0.70 0.70 0.40 0.30 0.20 0.70 0.70 0.40 0.30 0.20 0.70 0.70 0.40 0.30 0.20

2xD

3xD

4xD

IC Inserts

Expected Hole Tolerances Length

mm in

Admissible Tightening Torque

ISO

Part No.

Insert Screw Torx® Driver

- 0.004 + 0.008 - 0.004 + 0.008 - 0.004 + 0.010

2xD - 0.10 + 0.20 3xD - 0.10 + 0.20 4xD - 0.10 + 0.25

4T-05T203-P

P

S M 4T-05T203-M K 4T-05T203-K N 4T-05T203-N H 4T-05T203-H

0.5 N-m (4.4 in-lbs)

7243-T6-1

8T-6

A91: 67

A91: 64 - 66

A91: 63

Key on A91: 2

= Metric ( mm ) = Imperial (in)

IC inserts sold in quantities of 10. Insert screws sold in quantities of 10.

A91: 51

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