Drilling Product Catalog

Recommended Drilling Data | Metric (mm) DRILLING | T-A® Replaceable Insert Drilling System

T-A FLAT BOTTOM | HIGH-SPEED STEEL

Speed ( m/min )

Hardness (BHN) 100 - 150 150 - 200 200 - 250 85 - 125 125 - 175 175 - 225 225 - 275 125 - 175 175 - 225 225 - 275 275 - 325 125 - 175 175 - 225 225 - 275 275 - 325 325 - 375 225 - 300 300 - 350 350 - 400 100 - 150 150 - 250 250 - 350 150 - 200 200 - 250 185 - 275 275 - 350 135 - 185 185 - 275 135 - 185 185 - 275 120 - 150 150 - 200 200 - 220 220 - 260 260 - 320

ISO Material

HSS Grade

TiN

TiAlN

TiCN

AM200®

Free-Machining Steel 1118, 1215, 12L14, etc.

HSS HSS HSS HSS HSS HSS HSS HSS HSS HSS HSS HSS HSS SC

52 47 43 46 43 40 37 43 40 37 34 40 37 34 32 29 21 15 13 36 32 26 21 15 20 15 20 15 20 15 46 40 34 29 24

76 70 64 67 64 59 56 64 59 56 53 56 53 47 44 41 29 23 20 52 44 37 29 24 27 24 27 24 27 24 67 59 53 46 37 59 46 67 45 10 14 12 27 24 — — — 20 12 9

70 62 56 59 56 53 47 56 53 47 46 53 47 44 41 38 26 21 18 47 41 34 27 23 26 21 26 21 26 21 59 53 46 38 32

88 81 74 77 74 68 65 74 68 65 61 65 61 54 51 47 33 27 23 60 51 43 33 28 34 28 34 28 34 28 77 68 61 53 43 70 50 78 53 13 10 16 14 34 28 — — — 24 13 - -

Low-Carbon Steel 1010, 1020, 1025, 1522, 1144, etc.

Medium-Carbon Steel 1030, 1040, 1050, 1527, 1140, 1151, etc.

Alloy Steel 4140, 5140, 8640, etc.

P A30

SC SC SC SC SC SC SC SC SC SC SC SC SC SC

High-Strength Alloy 4340, 4330V, 300M, etc.

Structural Steel A36, A285, A516, etc.

HSS HSS

Tool Steel H-13, H-21, A-4, S-3, etc. Stainless Steel 400 Series 416, 420, etc. Stainless Steel 300 Series 304, 316, 17-4PH, etc. Super Duplex Stainless Steel

M

SG / Nodular Cast Iron

HSS HSS HSS

K

SC SC

Cast Aluminum

30

HSS HSS HSS HSS

160

228 122 228 122

198 107 198 107

180

79

Wrought Aluminum

30

160

261 141

180

79 40 29 46 35

N

Aluminum Bronze

100 - 200 200 - 250

SC SC SC SC SC SC SC SC SC SC SC SC SC

53 38 59 40

Brass Copper

100

HSS

60

High-Temp Alloy Hastelloy® B, Inconel® 600, etc.

140 - 220 220 - 310 140 - 220 220 - 310 185 - 275 275 - 350

7 6

9 7

Titanium Alloy

10

12 11 26 21 — — — 18 10

S

8

Aerospace Alloy S82

20 15 — — — 13

Wear Plate Hardox®, AR400, T-1, etc.

400 500 600

N/A

H

Hardened Steel

300 - 400 400 - 500

8

Contact our Application Engineering department for assistance when machining these materials.

Deep Hole Drilling Speed and Feed Adjustment Values Holder Length Extended Long Long Plus XL 3XL Speed 0.90 0.85 0.80 0.80 0.75 Feed - 0.95 0.90 0.90 0.90

Recommended Speed and Feed Example (3XL) Data • Adjustment Value =

Recommendation for Deep Holes

Speed

50 m/min •

0.75

= 37.5 m/min

Feed 0.20 mm/rev •

0.90 = 0.18 mm/rev

IMPORTANT: The speeds and feeds listed above are a general starting point for all applications. Refer to the Coolant Recommendation charts for coolant requirements to run at the recommended speeds and feeds. Factory technical assistance is available through our Application Engineering department. See adjustment examples above.

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