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Bi-Metal Hole Saws
Bi-Metal Hole Saw
Diameter
Pipe Tap Size
Pipe Entrance
Size
Part No.
Inches MM Inches MM Inches MM
Compatible with 1/4 in. Round Arbor 36-570, 3/8 in. Hex Arbor 36-571,
7/16 in. Hex Arbor 36-572.
9/16 14
36-511
5/8 16
36-512
11/16 17
36-513
3/4 19 ½ 13 3/8 10
36-514
13/16 21
36-515
7/8 22 ¾ 19 1/2 13
36-516
15/16 24
36-517
1 25
36-518
1-1/16 27
36-519
1-1/8 29 1 25 3/4 19
36-520
1-3/16 30
36-521
Bi-Metal Hole Saw
Diameter
Pipe Tap Size
Pipe Entrance
Size
Part No.
Inches MM Inches MM Inches MM
Compatible with 7/16 in. Hex Arbor 36-573, 3/8 in. Quick Change
Arbor 36-574.
1-1/4 in 32
36-522
1-5/16 in 33
36-523
1-3/8 in 35
36-524
1-7/16 in 37
36-525
1-1/2 in 38 1-1/4 32
36-526
1-9/16 in 40
36-527
1-5/8 in 41
36-528
1-11/16 in 43
36-529
1-3/4 in 44 1-1/2 38 1-1/4 32
36-530
1-13/16 in 46
36-531
1-7/8 in 48
36-532
2 in 51 1-1/2 38
36-533
2-1/16 in 52
36-534
2-1/8 in 54
36-535
2-1/4 in 57 2 51
36-536
2-5/16 in 59
36-537
2-3/8 in 60
36-538
2-1/2 in 64 2 51
36-539
2-9/16 in 65
36-540
2-5/8 in 67 2-1/2 64
36-541
2-3/4 in 70
36-542
2-7/8 in 73
36-543
3 in 76 2-1/2 64
36-544
3-1/8 in 79
36-545
3-1/4 in 83 3 76
36-546
3-3/8 in 86
36-547
3-1/2 in 89
36-548
3-5/8 in 92 3 76
36-549
3-3/4 in 95 3-1/2 89
36-550
3-7/8 in 98
36-551
4 in 102
36-552
4-1/8 in 104 3-1/2 89
36-553
4-1/4 in 108 4 102
36-554
4-3/8 in 111
36-555
4-1/2 in 114
36-556
4-3/4 in 121 4-1/2 114 4 102
36-557
5 in 127
36-558
5-1/2 in 140 5 127
36-559
5-3/4 in 146
36-560
6 in 152
36-561
All pipe sizes listed in the Pipe Tap Size and Pipe Entrance Size columns are standard
industry sizes. All pipes are sized by the nominal inside diameter.
* The sizes listed provide the necessary information whenever a pipe is to be threaded into
tanks, boilers, etc. To ensure the best results, the hole should be reamed before tapping with
a reamer having a taper of 3/4 in. per foot.
** The sizes listed provide the necessary information for any given pipe size to have sufficient
clearance to pass through beams, walls, bulkheads, etc.