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Hole Saws

M K Morse Bi-Metal Hole Saws

Bi-Metal Cobalt Hole Saws by M K Morse.
Cutting depth 1 1/2" (or deeper).
Premium professional quality holesaws feature a M3 High Speed Steel cutting edge, electron beam welded to a tough steel backer. (Some sizes are M42)
Positive rake tooth design provides better chip clearance.
Deep enough to cut 2 x 4's.

Holesaws require a mandrel (sometimes called an "arbor") for use; see our selection of mandrels below.
Hole Saws up to 1-3/16 have a 1/2-20 thread. Hole Saws 1-1/4 and larger have a 5/8-18 thread.

Made in the USA.
Quantity Price Model Description Size

$7.95 HS-9/16
9/16" Morse Bi-Metal Hole Saw, 0831-0005 9/16"

$7.95 HS-5/8
5/8" Morse Bi-Metal Hole Saw, 0831-0010 5/8"

$7.95 HS-11/16
11/16" Morse Bi-Metal Hole Saw, 0831-0015 11/16"

$7.95 HS-3/4
3/4" Morse Bi-Metal Hole Saw, 0831-0020 3/4"

$7.95 HS-13/16
13/16" Morse Bi-Metal Hole Saw, 0831-0025 13/16"

$7.95 HS-7/8
7/8" Morse Bi-Metal Hole Saw, 0831-0030 7/8"

$7.95 HS-15/16
15/16" Morse Bi-Metal Hole Saw, 0831-0035 15/16"

$8.30 HS-1
1" Morse Bi-Metal Hole Saw, 0831-0040 1"

$8.30 HS-1-1/16
1-1/16" Morse Bi-Metal Hole Saw, 0831-0045 1 1/16"

$8.30 HS-1-1/8
1-1/8" Morse Bi-Metal Hole Saw, 0831-0050 1 1/8"

$8.30 HS-1-3/16
1-3/16" Morse Bi-Metal Hole Saw, 0831-0055 1 3/16"

$8.40 HS-1-1/4
1-1/4" Morse Bi-Metal Hole Saw, 0831-0060 1 1/4"

$8.40 HS-1-5/16
1-5/16" Morse Bi-Metal Hole Saw, 0831-0065 1 5/16"

$9.00 HS-1-3/8
1-3/8" Morse Bi-Metal Hole Saw, 0831-0070 1 3/8"

$9.00 HS-1-7/16
1-7/16" Morse Bi-Metal Hole Saw, 0831-0075 1 7/16"

$9.00 HS-1-1/2
1-1/2" Morse Bi-Metal Hole Saw, 0831-0080 1 1/2"

$9.00 HS-1-9/16
1-9/16" Morse Bi-Metal Hole Saw, 0831-0085 1 9/16"

$9.00 HS-1-5/8
1-5/8" Morse Bi-Metal Hole Saw, 0831-0090 1 5/8"

$9.00 HS-1-11/16
1-11/16" Morse Bi-Metal Hole Saw, 0831-0095 1 11/16"

$11.05 HS-1-3/4
1-3/4" Morse Bi-Metal Hole Saw, 0831-0100 1 3/4"

$11.05 HS-1-13/16
1-13/16" Morse Bi-Metal Hole Saw, 0831-0105 1 13/16"

$11.05 HS-1-7/8
1-7/8" Morse Bi-Metal Hole Saw, 0831-0110 1 7/8"

$11.05 HS-2
2" Morse Bi-Metal Hole Saw, 0831-0115 2"

$13.75 HS-2-1/16
2-1/16" Morse Bi-Metal Hole Saw, 0831-0120 2 1/16"

$13.75 HS-2-1/8
2-1/8" Morse Bi-Metal Hole Saw, 0831-0125 2 1/8"

$13.75 HS-2-1/4
2-1/4" Morse Bi-Metal Hole Saw, 0831-0130 2 1/4"

$13.75 HS-2-5/16
2-5/16" Morse Bi-Metal Hole Saw, 0831-0135 2 5/16"

$13.75 HS-2-3/8
2-3/8" Morse Bi-Metal Hole Saw, 0831-0140 2 3/8"

$14.75 HS-2-1/2
2-1/2" Morse Bi-Metal Hole Saw, 0831-0145 2 1/2"

$14.75 HS-2-9/16
2-9/16" Morse Bi-Metal Hole Saw, 0831-0150 2 9/16"

$14.75 HS-2-5/8
2-5/8" Morse Bi-Metal Hole Saw, 0831-0155 2 5/8"

$14.75 HS-2-3/4
2-3/4" Morse Bi-Metal Hole Saw, 0831-0160 2 3/4"

$14.75 HS-2-7/8
2-7/8" Morse Bi-Metal Hole Saw, 0831-0165 2 7/8"

$15.15 HS-3
3" Morse Bi-Metal Hole Saw, 0831-0170 3"

$15.15 HS-3-1/8
3-1/8" Morse Bi-Metal Hole Saw, 0831-0175 3 1/8"

$15.15 HS-3-1/4
3-1/4" Morse Bi-Metal Hole Saw, 0831-0180 3 1/4"

$15.15 HS-3-3/8
3-3/8" Morse Bi-Metal Hole Saw, 0831-0185 3 3/8"

$15.15 HS-3-1/2
3-1/2" Morse Bi-Metal Hole Saw, 0831-0190 3 1/2"

$17.90 HS-3-5/8
3-5/8" Morse Bi-Metal Hole Saw, 0831-0195 3 5/8"

$21.00 HS-3-3/4
3-3/4" Morse Bi-Metal Hole Saw, 0831-0200 3 3/4"

$21.70 HS-3-7/8
3-7/8" Morse Bi-Metal Hole Saw, 0831-0205 3 7/8"

$21.95 HS-4
4" Morse Bi-Metal Hole Saw, 0831-0210 4"

$24.00 HS-4-1/8
4-1/8" Morse Bi-Metal Hole Saw, 0831-0215 4 1/8"

$31.25 HS-4-1/4
4-1/4" Morse Bi-Metal Hole Saw, 0831-0220 4 1/4"

$38.25 HS-4-3/8
4-3/8" Morse Bi-Metal Hole Saw, 0831-0225 4 3/8"

$43.25 HS-4-1/2
4-1/2" Morse Bi-Metal Hole Saw, 0831-0230 4 1/2"

$48.10 HS-4-3/4
4-3/4" Morse Bi-Metal Hole Saw, 0831-0235 4 3/4"

$53.30 HS-5
5" Morse Bi-Metal Hole Saw, 0831-0240 5"

$63.60 HS-5-1/2
5-1/2" Morse Bi-Metal Hole Saw, 0831-0245 5 1/2"

$74.40 HS-6
6" Morse Bi-Metal Hole Saw, 0831-0250 6"

Holesaw arbors

Holesaw Arbors (aka "Mandrels.").
Each arbor includes a pilot drill. Fits most brands of Holesaw.
Our model HS-DRILL is a replacement pilot drill (1/4" diameter with 3 flats) that fits all mandrel models except the HS-M35PS.

For reference:
Arbors HS-M24K and HS-M44 have 1/2"-20 threading.
Arbors HS-M45, HS-M35PS, HS-M45P, and HS-M55P have 5/8"-18 threading.
Quantity Price Model Description Fits Saw Shank Thread

$8.35 HS-MA24
Hole Saw Mandrel for 9/16"- 1-3/16" with 1/4" Hex Shank 9/16 - 1 3/16" 1/4" Hex 1/2-20

$11.75 HS-MA34
Hole Saw Mandrel for 9/16"- 1-3/16" with 3/8" Hex Shank 9/16 - 1 3/16" 3/8" Hex 1/2-20

$11.75 HS-MA35
Hole Saw Mandrel for 1-1/4" - 6" with 3/8" Hex Shank (5/8-18 threaded) 1-1/4" - 6" 3/8" Hex 5/8-18
Out of stock
$8.20 HS-M45
Hole Saw Mandrel for 1-1/4" - 2-3/8" with 7/16" Hex Shank (limited quantity) 1-1/4 - 2-3/8" 7/16" Hex 5/8-18

$18.90 HS-MA35PS
Hole Saw Mandrel for 1-1/4" - 6" with 3/8" Hex Shank 1-1/4 - 6" 3/8" Hex 5/8-18

$18.90 HS-MA45PS
Hole Saw Mandrel for 1-1/4" - 6" with 7/16" Hex Shank 1-1/4 - 6" 7/16" Hex 5/8-18

$3.45 HS-DRILL
1/4" Hole Saw Pilot Drill with 3 flats - - -

M K Morse Master Cobalt BiMetal Hole Saw Kits

Complete sets of Master Cobalt Bi-Metal Hole Saws and Arbors in Case.

Model AV02E Electricians Kit - Includes 7/8", 1 1/8", 1 3/8", 1 3/4", 2", 2 1/2", M45P and M44 Arbors.
Model AV02L Locksmith Kit includes 7/8", 1", 1 1/4", 1 1/2", 1 3/4", 2 1/8", M45P and M24K Arbors.
Model AV100 Maintenance Kit includes 3/4", 7/8", 1 1/8", 1 3/8", 1 1/2", 1 3/4", 2", 2 1/4", 2 1/2", M24K, M44, and M45P Arbors; Extension.
Model AV061 Industrial Kit includes 3/4", 7/8", 1 1/8", 1 3/8", 1 1/2", 1 3/4", 2", 2 1/4", 2 1/2", 3", 3 1/4", 3 5/8", 3 3/4", 4 1/4", 4 1/2", M24K, M44, and M45P arbors; extension

Made in the USA by M. K. Morse.
Quantity Price Model Description

$104.95 HS-AV02E
MK Morse Hole Saw Electricians Kit, 0831-0251

$108.95 HS-AV02L
MK Morse Hole Saw Locksmith Kit
Out of stock
$145.95 HS-AV100
MK Morse Hole Saw Maintenance Kit, 0831-0253
Out of stock
$297.00 HS-AV061
MK Morse Hole Saw Industrial Kit