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Rotabroach® Magnetic Drill Cutters

"12,000-Series"

For use on Hougen Portable Magnetic Drills and materials up to 350 BHN. Made of hardened, high speed tool steel and precision ground, cutters feature a 3/4" diameter shank (Models HMD915 and HMD916 require adapter #02386) and are available in 1, 2, 3, 4 & 6" D.O.C. Plus, modified end tooth geometry for stacked plate drilling is available. "12,000-Series" Annular Cutters are resharpenable using the 10950 Sharpening Machine.

"12,000-Series" Cutters and Accessories

"12,000-Series" M2 H.S.S. Cutters

* Indicates stack geometry is available as a stock item.
  To order: add 'S' to end of part no. ie... 12226S. Other sizes available
  with stack geometry upon request (General lead time is 7-10 days).

**All 3" (76mm) D.O.C. Metric delivered within 6 weeks

Cutter Diameter
(inches & metric)

Decimal Equivalent
Part No.
1" (25mm) DOC
2" (50mm) DOC
3" (76mm) DOC
3/4" Diameter Shank Cutters
Use with Pilot ---->
10531
10532
---
7/16
.4375
12114*
12214*
---
12mm
.4724
12312
12412*
---
Use with Pilot ---->
10533
10534
---
1/2
.5000
12116*
12216*
---
9/16
.5625
12118*
12218*
---
5/8
.6250
12120*
12220*
---
11/16
.6875
12122*
12222*
---
13mm
.5118
12313
12413
---
14mm
.5512
12314
12414
---
15mm
.5906
12315
12415
---
16mm
.6299
12316
12416
---
17mm
.6693
12317
12417
---
18mm
.7087
12318
12418
---
Use with Pilot ---->
10527
10528
24131
3/4
.7500
12124*
12224*
3-12224*
13/16
.8125
12126*
12226*
3-12226*
7/8
.8750
12128*
12228*
3-12228*
15/16
.9375
12130*
12230*
3-12230*
1
1.000
12132*
12232*
3-12232*
1-1/16
1.0625
12134*
12234*
3-12234*
1-1/8
1.1250
12136*
12236*
3-12236*
1-3/16
1.1875
12138
12238*
3-12238*
1-1/4
1.2500
12140
12240*
3-12240
1-5/16
1.3125
12142
12242*
3-12242
1-3/8
1.3750
12144
12244*
3-12244
1-7/16
1.4375
12146
12246*
3-12246
1-1/2
1.5000
12148*
12248*
3-12248
1-9/16
1.5625
12150
12250*
3-12250
1-5/8
1.6250
12152
12252
3-12252
1-11/16
1.6875
12154
12254
3-12254
1-3/4
1.7500
12156
12256
3-12256
1-13/16
1.8125
12158
12258
3-12258
1-7/8
1.8750
12160
12260
3-12260
1-15/16
1.9375
12162
12262
3-12262
2
2.0000
12164*
12264
3-12264
2-1/16
2.0625
---
12266*
3-12266
2-1/8
2.1250
---
12268
3-12268
2-3/16
2.1875
---
12270
3-12270
2-1/4
2.2500
---
12272
3-12272
2-5/16
2.3125
---
12274
3-12274
2-3/8
2.3750
---
12276
3-12276
19mm
.7480
12319
12419
12519**
20mm
.7874
12320
12420
12520**
21mm
.8268
12321
12421
12521**
22mm
.8661
12322
12422
12522**
23mm
.9055
12323
12423
12523**
24mm
.9449
12324
12424
12524**
25mm
.9843
12325
12425
12525**
26mm
1.0236
12326
12426
12526**
27mm
1.0630
12327
12427
12527**
28mm
1.1024
12328
12428
12528**
29mm
1.1417
12329
12429
12529**
30mm
1.1811
12330
12430
12530**
31mm
1.2205
12331
12431
12531**
32mm
1.2598
12332
12432
12532**
33mm
1.2992
12333
12433
12533**
34mm
1.3386
12334
12434
12534**
35mm
1.3779
12335
12435
12535**
36mm
1.4173
12336
12436
12536**
37mm
1.4567
12337
12437
12537**
38mm
1.4961
12338
12438
12538**
39mm
1.5354
12339
12439
12539**
40mm
1.5748
12340
12440
12540**
41mm
1.6142
12341
12441
12541**
42mm
1.6535
12342
12442
12542**
43mm
1.6929
12343
12443
12543**
44mm
1.7323
12344
12444
12544**
45mm
1.7717
12345
12445
12545**
46mm
1.8110
12346
12446
12546**
47mm
1.8504
12347
12447
12547**
48mm
1.8898
12348
12448
12548**
49mm
1.9291
12349
12449
12549**
50mm
1.9685
12350
12450
12550**
51mm
2.0079
12351
12451
12551**
52mm
2.0472
12352
12452
12552**