Page 138 - Cobra-Carbide-2020-Catalog

CARBIDE DRILLS

3 Flute

3 FLUTE DRILLS

INCH AND METRIC

BENEFITS & FEATURES
• Ideal drill when precise hole dimension is required
• 3 Flute design allows higher MRR, produces more straight holes
• 150 six facet self-centering drill
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• Manufactured from premium submicron grain carbide

3 FLUTE DRILLS

Decimal Coated
Fraction Size Metric Flute Length OAL Uncoated
Equiv. AlTiN
- 3.00 0.1181 20mm 50mm 39560 39561
1/8 3.18 0.1250 3/4 1-7/8 39510 39563
- 3.30 0.1299 20mm 50mm 39565 39566
- 3.50 0.1378 20mm 50mm 39570 39571
9/64 3.57 0.1406 13/16 1-15/16 39511 39573
5/32 3.97 0.1562 7/8 2-1/16 39512 39574
- 4.00 0.1575 23mm 50mm 39575 39576
11/64 4.37 0.1719 7/8 2-1/8 39513 39578
- 4.50 0.1770 24mm 55mm 39580 39581
3/16 4.76 0.1875 15/16 2-3/16 39514 39583
- - 4.80 0.1890 24mm 55mm 39585 39586
DRILLS 13/64 5.16 0.2031 29mm 2-1/4 39515 39593
24mm
39590
55mm
0.1968
39591
5.00
1
0.2165
63mm
5.50
39595
-
39596
2-3/8
7/32
1-1/8
5.95
39517
15/64 5.55 0.2187 1-1/16 2-7/16 39516 39598
0.2344
39599
- 6.00 0.2362 29mm 63mm 39600 39601
1/4 6.35 0.2500 1-3/16 2-1/2 39518 39603
- 6.50 0.2559 29mm 63mm 39605 39606
17/64 6.75 0.2656 1-1/4 2-5/8 39519 39609
- 6.80 0.2677 34mm 69mm 39610 39611
- 7.00 0.2756 34mm 69mm 39615 39616
9/32 7.14 0.2812 1-5/16 2-11/16 39520 39621
- 7.50 0.2953 34mm 69mm 39620 39624
19/64 7.54 0.2969 1-3/8 2-3/4 39521 39618
7.70 0.3031 38mm 75mm 39623 39619
5/16 7.94 0.3125 1-7/16 2-13/16 39522 39628
- 8.00 0.3150 38mm 75mm 39625 39626
21/64 8.33 0.3281 1-1/2 2-15/16 39523 39629
- 8.50 0.3346 38mm 75mm 39630 39631
11/32 8.73 0.3438 1-1/2 3 39524 39633
- 9.00 0.3543 41mm 80mm 39635 39636
23/64 9.13 0.3594 1-9/16 3-1/16 39525 39638
- 9.50 0.3740 41mm 80mm 39640 39641
3/8 9.53 0.3750 1-5/8 3-1/8 39526 39634
25/64 9.92 0.3906 1-5/8 3-1/4 39527 39639

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