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United States: 320-274-7387 • 800-328-3530 | Canada: 320-274-2376 • 800-219-1085 | International: 01-320-274-2376

95

Hole Saws

Vent Saws

Designed for cutting all types of hard and soft

wood, and other non-ferrous materials includ-

ing plywood, composition board and siding.

The Malco VENT SAW

is indispensable when

fitting fresh air intakes through foundation plates,

exterior siding or facing materials encountered

in residential or light commercial installations of

gas or oil fired furnaces. VENT SAW

features

easily replaceable alloy steel blades and a

versatile one piece cast aluminum arbor/mandrel

combination with a 7/16 in. (11.1 mm) pilot drill. The

webbed mandrel allows easy plug removal and a

built-in arbor eliminates the need for separate

arbor attachments.

The Hole Saw with the Built-in Arbor!

a one piece arbor and

hole saw combination eliminates the need for separate

arbor attachments. 4/6 Variable Pitch Teeth milled into

high speed steel edge and micro-welded to body.

HSW68

for 4 in. (102 mm)

Duct Pipe and Vent Hood Holes

HSW97

for 6 in.(152 mm)

Duct Pipe and Vent Hood Holes

Duct Pipe

Vent Hood

7/16 in. (11.1 mm) pilot drill

• Featuring: Super Sharp and Tough BiMetal By Malco

• 1-9/16 in. (39.7 mm) Cutting Depth

• Shatterproof alloy steel body.

Catalog

Diameter

Depth of Cut

Number

Description

in. (mm)

in. (mm)

Replacement Blades

HSW68

Vent Saw

4-1/4 (108)

2 (50.8)

RBW68

HSW97

Vent Saw

6-1/4 (159)

2 (50.8)

RBW97

HSRD

Replacement Drill

7/16 (11)

Hole in One BiMetal Hole Saws

HSK

Maintenance Hole in One™ Kit

(See Description Above)

HSB

Hole Saw 1/4 in. (6.4 mm) Pilot Drill Bit Replacements

HSX

13 in. (330 mm) Arbor Extension fits Malco Vent Saw™ and Hole in One™ Hole Saws

Catalog Diameter

Pipe (I.D.)

Entr.

Tubing (I.D.)

Tool and

Number

Inches

mm Tap Size

Size

Coupling

Entr. Size

Coupling

Mild Steel

Stainless Steel

Cast Iron

Brass

Aluminum

RECOMMENDED CLEARANCE

RECOMMENDED RPM Cutting Speeds

H30

1-7/8

47.6

-

-

-

-

-

180

90

120

240

270

H32

2

50.8

-

1-1/2

-

-

1-1/2

170

85

115

230

255

H38

2-3/8

60.3

-

-

-

-

-

140

70

95

190

220

H44

2-3/4

69.9

-

-

-

2-1/2

-

125

60

80

160

185

All BiMetal Hole Saws sizes feature 4/6 VARIABLE PITCH TEETH for aggressive cutting in all machinable materials.

HSW68

HSK

Bi-Metal Hole in One Kit

Hole Saw selection, pilot drills, arbor extension

and driver (for installing pilot) packaged in durable

polypropylene case.

All HSK Kits feature each of the following:

2-1/2, 2-1/4, 2, 1-3/4, 1-1/2, 1-3/8, 1-1/8, 7/8 and 3/4 in.

(63.5, 57.2, 50.8, 44.5, 38.1, 34.9, 28.6, 22.2, 19.1 mm)

Plus (4) HSB drills, (1) HSX extension arbor shank and (1) stubby driver.

Hole Saw Extension

HSX

Hole Saw Bit

HSB