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Hole Saws

M K Morse Master Cobalt Hole Saws

Bimetal Cobalt Hole Saws by M K Morse.
Cutting depth 1 1/2".
Premium professional quality holesaws feature a M3 High Speed Steel cutting edge, electron beam welded to a tough steel backer.
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

$6.30 HS-9/16
9/16" Morse Master Cobalt Hole Saw 9/16"

$6.30 HS-5/8
5/8" Morse Master Cobalt Hole Saw 5/8"

$6.30 HS-11/16
11/16" Morse Master Cobalt Hole Saw 11/16"

$6.30 HS-3/4
3/4" Morse Master Cobalt Hole Saw 3/4"

$6.30 HS-13/16
13/16" Morse Master Cobalt Hole Saw 13/16"

$6.30 HS-7/8
7/8" Morse Master Cobalt Hole Saw 7/8"

$6.30 HS-15/16
15/16" Morse Master Cobalt Hole Saw 15/16"

$6.60 HS-1
1" Morse Master Cobalt Hole Saw 1"

$6.60 HS-1-1/16
1-1/16" Morse Master Cobalt Hole Saw 1 1/16"

$6.60 HS-1-1/8
1-1/8" Morse Master Cobalt Hole Saw 1 1/8"

$6.60 HS-1-3/16
1-3/16" Morse Master Cobalt Hole Saw 1 3/16"

$6.70 HS-1-1/4
1-1/4" Morse Master Cobalt Hole Saw 1 1/4"

$6.70 HS-1-5/16
1-5/16" Morse Master Cobalt Hole Saw 1 5/16"

$7.15 HS-1-3/8
1-3/8" Morse Master Cobalt Hole Saw 1 3/8"

$7.15 HS-1-7/16
1-7/16" Morse Master Cobalt Hole Saw 1 7/16"

$7.15 HS-1-1/2
1-1/2" Morse Master Cobalt Hole Saw 1 1/2"

$7.15 HS-1-9/16
1-9/16" Morse Master Cobalt Hole Saw 1 9/16"

$7.15 HS-1-5/8
1-5/8" Morse Master Cobalt Hole Saw 1 5/8"

$7.15 HS-1-11/16
1-11/16" Morse Master Cobalt Hole Saw 1 11/16"

$8.80 HS-1-3/4
1-3/4" Morse Master Cobalt Hole Saw 1 3/4"

$8.80 HS-1-13/16
1-13/16" Morse Master Cobalt Hole Saw 1 13/16"

$8.80 HS-1-7/8
1-7/8" Morse Master Cobalt Hole Saw 1 7/8"

$8.80 HS-2
2" Morse Master Cobalt Hole Saw 2"

$10.90 HS-2-1/16
2-1/16" Morse Master Cobalt Hole Saw 2 1/16"

$10.90 HS-2-1/8
2-1/8" Morse Master Cobalt Hole Saw 2 1/8"

$10.90 HS-2-1/4
2-1/4" Morse Master Cobalt Hole Saw 2 1/4"

$10.90 HS-2-5/16
2-5/16" Morse Master Cobalt Hole Saw 2 5/16"

$10.90 HS-2-3/8
2-3/8" Morse Master Cobalt Hole Saw 2 3/8"

$11.70 HS-2-1/2
2-1/2" Morse Master Cobalt Hole Saw 2 1/2"

$11.70 HS-2-9/16
2-9/16" Morse Master Cobalt Hole Saw 2 9/16"

$11.70 HS-2-5/8
2-5/8" Morse Master Cobalt Hole Saw 2 5/8"

$11.70 HS-2-3/4
2-3/4" Morse Master Cobalt Hole Saw 2 3/4"

$11.70 HS-2-7/8
2-7/8" Morse Master Cobalt Hole Saw 2 7/8"

$12.00 HS-3
3" Morse Master Cobalt Hole Saw 3"

$12.00 HS-3-1/8
3-1/8" Morse Master Cobalt Hole Saw 3 1/8"

$12.00 HS-3-1/4
3-1/4" Morse Master Cobalt Hole Saw 3 1/4"

$12.00 HS-3-3/8
3-3/8" Morse Master Cobalt Hole Saw 3 3/8"

$12.00 HS-3-1/2
3-1/2" Morse Master Cobalt Hole Saw 3 1/2"

$14.20 HS-3-5/8
3-5/8" Morse Master Cobalt Hole Saw 3 5/8"

$16.70 HS-3-3/4
3-3/4" Morse Master Cobalt Hole Saw 3 3/4"

$17.55 HS-3-7/8
3-7/8" Morse Master Cobalt Hole Saw 3 7/8"

$17.70 HS-4
4" Morse Master Cobalt Hole Saw 4"

$19.35 HS-4-1/8
4-1/8" Morse Master Cobalt Hole Saw 4 1/8"

$25.20 HS-4-1/4
4-1/4" Morse Master Cobalt Hole Saw 4 1/4"

$30.00 HS-4-3/8
4-3/8" Morse Master Cobalt Hole Saw 4 3/8"

$34.85 HS-4-1/2
4-1/2" Morse Master Cobalt Hole Saw 4 1/2"

$38.70 HS-4-3/4
4-3/4" Morse Master Cobalt Hole Saw 4 3/4"

$42.90 HS-5
5" Morse Master Cobalt Hole Saw 5"

$51.20 HS-5-1/2
5-1/2" Morse Master Cobalt Hole Saw 5 1/2"

$60.00 HS-6
6" Morse Master Cobalt Hole Saw 6"

Holesaw Mandrels

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

$5.10 HS-M24K
9/16"- 1-3/16" Holesaw Mandrel 1/4" Round Shank 9/16 - 1 3/16" 1/4 Rd 1/2-20

$7.95 HS-M44
9/16"- 1-3/16" Holesaw Mandrel 7/16" Hex Shank 9/16 - 1 3/16" 7/16 Hex 1/2-20

$7.95 HS-M45
1 1/4" - 2-3/8" Holesaw Mandrel 7/16" Hex Shank 1 1/4 - 2-3/8" 7/16 Hex 5/8-18

$13.25 HS-M35PS
1 1/4" - 6" Holesaw Mandrel 3/8" Hex Shank 1 1/4 - 6" 3/8 Hex 5/8-18

$13.25 HS-M45P
1 1/4" - 6" Holesaw Mandrel 7/16" Hex Shank 1 1/4 - 6" 7/16 Hex 5/8-18

$13.25 HS-M55P
1 1/4" - 6" Holesaw Mandrel 5/8" Hex Shank 1 1/4 - 6" 5/8 Hex 5/8-18

$2.70 HS-DRILL
1/4" Holesaw 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

$76.00 HS-AV02E
MK Morse Hole Saw Electricians Kit

$76.00 HS-AV02L
MK Morse Hole Saw Locksmith Kit

$103.50 HS-AV100
MK Morse Hole Saw Maintenance Kit

$214.50 HS-AV061
MK Morse Hole Saw Industrial Kit